CN118236288A - Sun-proof skin care product and preparation method thereof - Google Patents
Sun-proof skin care product and preparation method thereof Download PDFInfo
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- CN118236288A CN118236288A CN202311851842.3A CN202311851842A CN118236288A CN 118236288 A CN118236288 A CN 118236288A CN 202311851842 A CN202311851842 A CN 202311851842A CN 118236288 A CN118236288 A CN 118236288A
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- skin
- sun
- essential oil
- solution
- longan shell
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Landscapes
- Cosmetics (AREA)
Abstract
The invention discloses a sun-proof skin care product and a preparation method thereof, wherein the preparation method comprises the following steps: mixing choline chloride and lactic acid to prepare a eutectic solvent; mixing longan shell powder with eutectic solvent, stirring, cooling, centrifuging and the like; washing the residue with absolute ethyl alcohol, and evaporating the obtained filtrate to obtain a concentrated solution; mixing the supernatant and the concentrated solution, adding deionized water, stirring, standing, centrifuging to separate out solid precipitate, and oven drying to obtain longan shell lignin; respectively dispersing longan shell lignin and sodium alginate in deionized water, and uniformly stirring to obtain a longan shell lignin solution and a sodium alginate solution; mixing the longan shell lignin solution, the sodium alginate solution and the natural plant essential oil to obtain longan shell lignin composite sun-screening particles; finally, preparing the sun-proof skin care product with a thickening agent, a humectant and a plant extract; the invention reasonably utilizes waste resources of longan industry, and the product is green and natural, high in safety and remarkable in effect.
Description
Technical Field
The invention belongs to the field of cosmetics, and particularly relates to a sun-screening skin care product and a preparation method thereof.
Background
Longan, an alias longan, a round eye, and a nootropic property, is a genus longan (Dimocarpus longan lour.) of the family Sapindaceae. In addition, it is also often cultivated in the south and southeast asia.
The longan fruits are extremely rich in nutrition and are regarded as rare high-grade nourishment. The medicinal value of the Chinese herbal medicine is recorded in Shennong Ben Cao Jing, and the Chinese herbal medicine has warm nature and sweet taste and has the effects of tonifying heart and spleen, nourishing blood and tranquillizing. Can be used for treating deficiency of qi and blood, palpitation, amnesia, insomnia, and chlorosis due to blood deficiency. Longan is an ideal tonic for middle-aged and elderly people with weakness, hypertension, hyperlipidemia and coronary heart disease.
In the compendium of materia medica, the reputed longan is "the food takes litchi as the precious food and the resource takes longan as the good food", and the meat has the effects of stimulating appetite, strengthening spleen, tonifying deficiency and improving intelligence. It has warm nature and sweet taste, and is the first choice for tonifying heart and spleen, nourishing blood and tranquillizing.
The longan is not only a good fruit for fresh food, but also can be processed into cans, dry products or longan paste. In recent years, the planting area of longan in China is stabilized at 450 ten thousand mu, and the annual yield is nearly 200 ten thousand tons. In the global scope, the longan cultivation area of China is the widest, the yield is the greatest, and the longan cultivation area accounts for about 59% of the total yield in the global.
However, the consumer market for fresh longan and its processed products worldwide is mainly focused on asian countries and regions, where the consumption of our country is the largest. In recent years, the consumption of longan in China breaks through 220 ten thousand tons, wherein 80% of longan is fresh food. In addition, processed products such as dried longan, longan pulp, longan cans, longan fruit wine and the like are also deeply favored by consumers. Although the longan yield in China is higher, the longan can not meet all consumption demands, and partial consumption needs to rely on imported supplementation.
With the development of longan industry, waste byproducts such as skin, core, branches and leaves are increased year by year, so that not only is the environment stressed, but also resources are wasted. Sun protection products on the market at present are mainly divided into three categories: physical sun protection products, chemical sun protection products, and biological sun protection products. Wherein the physical sun protection product (containing the physical sun protection agent) shields ultraviolet light mainly by the principle of reflection and scattering. Has the advantages of stability, small irritation and difficult sensitization. The skin-care cream has the defects of white color, unnatural color, air impermeability, thick and heavy texture, inapplicability to oily skin, easiness in blocking pores and easiness in causing acnes; chemical sunscreens (containing chemical sunscreens) decompose ultraviolet light by a light-transmitting chemical component. Has the advantages of refreshing and non-greasy texture. The disadvantage is that the composition is irritating and must be reapplied at intervals because the chemical composition generally deteriorates for 4 hours. The pregnant women are avoided as much as possible; the biological sun-screening product (containing natural sun-screening components) repairs oxidative stress reaction generated after ultraviolet irradiation through bioactive substances, blocks and slows down tissue damage, promotes repair after sun-screening, and plays a role in indirect sun-screening. Has the advantages of small skin irritation, good product fit and high comfort level. The disadvantage is the high price. However, these sunscreen products have their advantages and disadvantages, especially for the third category of biological sunscreen products, which are not acceptable to the public due to their high price.
Lignin is present in plants as an aromatic polymer, providing it with sufficient strength and hardness. Lignin has excellent uv protection and oxidation resistance due to its unique phenylpropane unit, a large number of phenolic hydroxyl groups, and other functional group structures. In the longan shells, the lignin content is about 30% -40%. Lignin in the longan shell is extracted, and can be combined with a natural sun-screening agent to prepare composite sun-screening particles which are applied to sun-screening skin care products. This application is not mentioned in other documents.
Disclosure of Invention
Aiming at the defects in the prior art, lignin is extracted from the large waste fruit shells of the longan industry, and the composite sun-screening particles are prepared for sun-screening products, so that the defects of the first class and the second class of sun-screening products are overcome, the composite sun-screening particles can be better applied to the field of cosmetic sun-screening due to lower cost, waste resources of the longan industry are reasonably utilized, and the environment-friendly natural sun-screening skin-care product with high safety and remarkable effect and the preparation method thereof are provided.
The technical scheme adopted for solving the technical problems is as follows:
a sunscreen skin care product comprising the following ingredients: longan shell lignin composite sun-screening particles, a thickening agent, a neutralizing agent, a natural humectant, a natural plant extract, a natural preservative and deionized water.
Preferably, 5% -10% of longan shell lignin composite sun-screening particles, 0.5% -1% of thickening agent, 1% -2% of neutralizing agent, 2.6% -7% of natural humectant, 2% -5% of natural plant extract, 1% -2% of natural preservative and the balance of deionized water.
The invention provides a preparation method of a sun-proof skin care product, which comprises the following steps:
weighing choline chloride and lactic acid according to the molar mass ratio, wherein the choline chloride is as follows: lactic acid=1:5-1:10, placing into a beaker, placing into an oil bath, heating at 80-100 ℃, stirring and reacting for 2-6 hours, fully reacting to form transparent uniform liquid, obtaining choline chloride/lactic acid eutectic solvent, taking out, cooling, sealing and preserving for later use;
Cleaning longan shell, oven drying at 80-90deg.C for 12-24 hr, pulverizing with pulverizer, sieving with 100 mesh sieve, packaging the obtained longan shell powder into sealed bag, and placing in dryer; weighing longan shell powder, and mixing the longan shell powder with the following components: fully mixing DES=1:10-1:30 feed-liquid ratio (g/mL) with DES, placing in an oil bath kettle, heating at 90-150 ℃, stirring for reaction for 6-12h, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 3-5 times, merging filtrate obtained by filtering, evaporating ethanol by a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 4-6L deionized water, stirring for 15-25min, standing for 12h, centrifuging for 20-30min at 9000-11000r/min, and separating solid precipitate; drying the obtained solid precipitate in an oven at 80-90 ℃ for 24 hours to obtain black solid which is longan shell lignin;
Weighing longan shell lignin, dispersing in deionized water, slowly dropwise adding NaOH solution with the concentration of 10% -20% while stirring, regulating the pH value of a solution system to 9.2-9.4, and then continuously stirring for 10-15min to uniformly disperse the longan shell lignin in the deionized water to prepare a longan shell lignin solution; dispersing sodium alginate in deionized water, slowly dropwise adding NaOH solution with the concentration of 10% -20% while stirring, adjusting the pH value of a solution system to 8.2-8.5, and then continuously stirring for 10-15min to uniformly disperse the sodium alginate in the deionized water to prepare a sodium alginate solution;
Weighing the prepared longan shell lignin solution, sodium alginate solution and natural plant essential oil with sun protection and restoration effects according to the longan shell lignin solution: sodium alginate solution: adding natural plant essential oil=5:5:1-10:10:1 into a beaker, dispersing for 5-10min by using an ultrasonic crusher, taking upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity (9000-11000 r/min,20-30 min), and then performing vacuum freeze drying for 48-72h to obtain longan shell lignin composite sun-screening particles;
Weighing a thickener, adding the thickener into deionized water, heating and stirring at 80-90 ℃ until the thickener is fully dissolved, and obtaining a thickener solution;
weighing allantoin, adding into deionized water, heating at 80-90deg.C, stirring to dissolve completely to obtain allantoin solution (the humectant is dissolved in hot water and slightly dissolved in water, and needs to be heated and dissolved independently);
Weighing sodium hyaluronate, adding into deionized water, stirring to dissolve completely to obtain sodium hyaluronate solution (the humectant is easy to agglomerate when added into water, and can be dissolved completely only by long-time stirring, and needs to be dissolved independently);
Cooling the thickener solution to about 40-50deg.C, adding neutralizer, longan shell lignin composite sun-screening particles, other natural humectant, natural plant extract, natural antiseptic, and balance water, stirring with magnetic stirrer, sterilizing at 400-600MPa under high static pressure for 5-10min, and bottling to obtain sun-screening skin care product with excellent sun-screening and repairing effects.
Wherein sodium alginate is a natural polysaccharide, which can be extracted from seaweed, is slightly soluble in water, and is insoluble in most organic solvents. It is soluble in alkaline solutions, rendering the solution viscous. It has multiple functions and can be widely applied to the fields of food industry, medicine, cosmetics and the like. In the food industry sodium alginate can be used as a thickener and gelator to provide texture and mouthfeel to foods. Meanwhile, the sodium alginate also has moisture retention performance, can prevent water loss of food and prolong the preservation period of the food. In the field of medicine, sodium alginate can be used as a carrier of a medicine, and provides stability, solubility, viscosity and safety for the medicine. Sodium alginate is widely used for preparing enteric-coated tablets and controlled release medicines, and can control the release rate and absorption effect of the medicines. In addition, the sodium alginate also has biological activities such as antivirus, anti-tumor, anticoagulation and the like, and has certain benefit on human health. Sodium alginate is not limited to the food industry and pharmaceutical fields, but is also widely used in other fields. For example, in cosmetics, sodium alginate can then be used as a sun-screening agent and an antioxidant, protecting the skin from ultraviolet light and free radicals; it also has whitening effect, tyrosinase is a key enzyme for melanin formation. When sodium alginate meets tyrosinase, the sodium alginate can influence the activity of tyrosinase, and a large amount of copper ions are adsorbed, so that melanin is broken and synthesized. Thereby reducing the formation and excessive deposition of melanin and showing the effect of the skin-bottom rejuvenation Bai Huanliang. In addition, the preparation method can be used for preparing biological materials and biomedical engineering, and has good biocompatibility and degradability.
Preferably, the natural plant essential oil with sun protection and restoration effects is any one of green flower cajeput essential oil, uganli essential oil, pine-red plum essential oil, geranium essential oil, olibanum essential oil and sandalwood essential oil or a mixture thereof.
Wherein the Melaleuca alternifolia (Melaleuca viridiflora) is plant of Melaleuca of Myrtaceae of Rosales of Magnoliaceae of plant phylum. The green flower cajeput essential oil has fresh and soft fragrance, has strong sedative, hypnotic, antibacterial, anti-inflammatory and analgesic effects, and can effectively relieve stress, anxiety, insomnia and various pains, enhance immunity and improve quality of life. The fragrance of the green flower cajeput essential oil has good help to sleep quality, can regulate a biological clock, help to generate a comfortable sleep environment, relieve insomnia and improve sleep quality. The essential oil has strong calming effect, and can sooth emotion, relax mind and body, and relieve stress and anxiety. It can balance emotion and help enter meditation state. It has analgesic effect on nervous system, and can relieve headache, arthralgia, and myalgia. It also can relieve uterine pain and menstrual pain. It has antibacterial and antiviral effects, and can enhance immunity, and prevent common cold and influenza. It also has antiinflammatory effect, and can relieve sinusitis and arthritis. It has strong antibacterial, antiviral and antiinflammatory effects, and is effective in diminishing inflammation, removing toxic substances, clearing heat and cooling blood. It is commonly used for treating pneumonia, rhinitis, abscess, sore, furuncle, etc. The green flower cajeput essential oil has effects of diminishing inflammation, sterilizing, stimulating tissue, promoting local blood circulation, enhancing body resistance, removing wrinkle, whitening skin, and removing speckle. In addition, the sun-proof and anti-radiation cream has good sun-proof and anti-radiation effects, can be applied to the preparation of sun-proof cream in summer, and can also be used as an important component of a family of daily skin care products of a computer;
Eucalyptus (Eucalyptusrobusta Smith), also known as Eucalyptus grandis, eucalyptus globulus, eucalyptus salicifolius, is a plant of the genus Eucalyptus in the family Myrtaceae. The origin is in the northeast of australia and the frost-free coastal zone of northeast. The Chinese encyclopedia records the effects of eucalyptus She Youqing on heat and toxic materials removal, insect disinfestation and itching relieving, astringing and promoting granulation, and modern researches show that eucalyptus has the effects of resisting bacteria, resisting inflammation and resisting oxidation. The UGANLI essential oil has antiinflammatory and antibacterial effects, and can improve skin and relieve mental stress, and also has antiviral effect. The Uyghur essential oil can improve inflammatory lesions caused by invasion of various pathogenic bacteria, such as upper respiratory tract infection, is beneficial to relieving various clinical symptoms caused by diseases such as throat inflammation, tonsillitis, rhinitis and the like, has conditioning effects on symptoms such as common cold and wind-heat type common cold, can purify inflammation in a human body, and avoids exacerbation of illness. The Uyghur essential oil has obvious effects on skin scalding, prevents bacterial growth and pus accumulation, promotes new tissue construction, improves suppuration, herpes and acne skin, and unblocks pores; cuts, wounds, ulcers and inflammatory symptoms all respond well after the use of the essential oils of you. The skin-care product can also discharge toxin substances in the skin as soon as possible, is beneficial to improving the problems of dull complexion and excessive skin spots caused by accumulation of the skin toxin substances, and can lead the skin to be finer and smoother. The Uyghur essential oil can be used for beautifying and protecting skin, and a small amount of essential oil is poured into the Uyghur essential oil for washing the face every day, so that the effects of whitening, removing yellow and eliminating acnes can be achieved. It also has effects in caring skin, whitening skin, and preventing wrinkle. The Uyghur essential oil can also achieve the effect of improving mental state, can ease the nervous system, and can avoid severe mental stress and dysphoria. The Uyghur essential oil also has antiviral effect, can achieve the effect of inhibiting in vivo viral replication after use, is also helpful for improving viral infectious diseases, such as viral influenza or viral enteritis, is most effective on respiratory diseases, can alleviate inflammation phenomenon, and makes nasal mucosa comfortable, such as: cold, common cold, cough, sinusitis, etc.; it can prevent common cold, improve throat pain, and treat fever, and reduce body temperature to cool body; also has effects in eliminating body odor, improving migraine, refreshing brain, and concentrating attention; it also helps genitourinary system, and can improve cystitis and diarrhea. In addition, the anti-sun material has excellent sun-proof and anti-radiation performance, and can be applied to sun-proof cosmetics. The Uyghur essential oil is beneficial to rapidly relieving sunburn, has anti-inflammatory and analgesic properties, and can immediately relieve sunburn. Its application to sunburned skin paralyzes pain, thereby providing a soothing effect. The antibacterial property of the composition can also protect sensitive and sunburned skin from infection;
The pine-red plum (Leptospermum scoparium j.r.forst.et g.forst.) is a small shrub plant of the genus fish-willow of the family myrtaceae, and is called "pine-red plum" because it flowers full of branches, looks much like plum blossom, she Xiru pine leaves. The original production of the pine red plums is carried out in New Zealand, australia and other countries, and is now distributed in Malaysia, indonesia and other places. There are distributions in the south of China, the south of the southwest and the south of the east. The plant of the pine red plum has a certain medicinal value; meanwhile, the extracted essential oil has powerful bactericidal function, can resist mold, virus and the like, and is also used for treating various respiratory diseases. It has remarkable therapeutic effects, has long history of use, and can be used for relieving fever and pain when treating trauma and common cold, and can be made into Mel and herbal tea for treating gastric ulcer. The pine-red plum essential oil has been demonstrated to have the highest antibacterial activity. There is evidence that it has bactericidal effect up to 20 times higher than that of Australian tea tree essential oil, and has antiviral, antifungal and powerful bactericidal capacity. The pine-red plum essential oil has an inhibiting effect on herpes simplex virus HSV-1 and HSV-2, and can help to alleviate symptoms. A plurality of drops of pine-red plum essential oil are dripped into the hot water for foot soaking, so that the purpose of activating blood and channels and collaterals can be achieved, and the effect of removing beriberi and foot odor can be achieved. The pine-red plum essential oil has strong antibacterial and anti-inflammatory properties, has spasmolytic effect, and can relieve various respiratory tract infection diseases such as common cold, nasal and throat mucositis, sinusitis, bronchitis, sore throat and the like. The pine-red plum essential oil has antibacterial effect on cariogenic bacteria, can diminish inflammation and relieve pain, and can help to resist dental plaque, gingivitis and radiotherapy-induced oral mucositis. The pine-red plum essential oil has antioxidant and antiaging properties, and can reduce wrinkles and skin thickness increase by inhibiting loss of collagen fiber content and epidermal hyperplasia, and also has inhibitory activity on skin inflammation caused by ultraviolet irradiation. It is also a germicide for skin, and can be used for treating dermatoses such as incised wound, speckle, scald, furuncle, and ulcer, and especially suitable for long-term wound. The pine-red plum essential oil has remarkable antibacterial activity against both staphylococcus epidermidis (ATCC 2223) and propionibacterium acnes (ATCC 11827) pathogens causing acne, and can inhibit the growth of acne. The pine-red plum essential oil has good antiallergic property, so that the pine-red plum essential oil can treat mosquito bites and control allergy. It is also a good topical analgesic, which can relieve muscle soreness and rheumatalgia. The attractive flavor of the oil is suitable for being mixed with other essential oils, and the taste of the other essential oils is improved, in particular to the essential oil with good curative effect but stronger medicinal taste. It has good effect on resisting infection. The pine red plum essential oil has rich oil smell, is very good in smell, has anxiolytic activity, and can relax mood, ease body and mind and stabilize skin state; modulating neurotransmission substances such as histamine; similar to the fertig, the attractive force is enhanced; promoting regeneration of skin and mucous membrane tissue and wound healing. The pine red plum essential oil has insecticidal properties on fruit fly, aedes aegypti larva and mites, and can improve living environment. In addition, it has excellent anti-ultraviolet properties, and thus can be applied to sunscreen cosmetics;
The geranium (Pelargonium hortorum Bailey) is a herb plant of the genus geranium of the family geraniaceae, and is transferred to China in the middle of the 20 th century, and cultivated in a common place. The geranium stems and leaves contain volatile oil, can extract fragrance alcohols, vanillols, geranyl esters and the like, and become an essential spice in industry. The geranium essential oil contains citronellol, citronellyl formate, terpinene, geranic acid, geraniol, terpineol, citral, menthone, and various trace mineral elements. The main function of the skin conditioning cream is that the active ingredients of the skin conditioning cream have strong affinity with natural organic grease, and the skin conditioning cream is almost suitable for various skin conditions. The geranium essential oil has the effects of relieving pain, astringing, resisting inflammation, resisting bacteria, extending into scar, enhancing cell defense function, stopping bleeding, tonifying body, deeply cleaning skin, balancing sebum secretion, being particularly suitable for oily skin and vaccinia skin, having deep purification and astringing effects, and having good effects of relieving and eliminating vaccinia and acne marks. The geranium essential oil has anti-inflammatory and skin soothing effects, and can promote skin cell regeneration, repair scar and striae gravidarum, and is suitable for restoring sunburn skin, softening skin, and making skin full and glossy. Meanwhile, the skin-cleaning oil is also good for loosening, pore blocking and oily skin, and can be called as comprehensive skin-cleaning oil. The geranium essential oil is beneficial for eczema, burn, herpes zoster, herpes, tinea, and chilblain. The black head can be removed, the geranium essential oil can be directly added into the facial cleanser to clean the face, the black head is naturally produced, and the geranium essential oil is a natural dirt removing agent. The geranium is suitable for various skin types, can promote body fluid circulation, and restore pale complexion to ruddy and active, so that when the age increases and the skin is difficult to keep in light, the geranium essential oil can be used for increasing the ruddy luster of the skin. The geranium essential oil has good anti-depression capability and can relieve the mind and body;
Olibanum is resin exuded from bark of olibanum tree (Boswellia carterii birdw.) belonging to the family Oleraceae and the same genus plant (Boswellia bhaurdajiana birdw.). The essential oil is extracted from the olibanum resin, emits warm and pure woody fragrance, and has light fruit fragrance, so that people can feel unprecedented relaxation and relaxation. The emulsifiable concentrate oil has the effects of resisting bacteria and enhancing cell activity, and the astringing property of the emulsifiable concentrate oil is beneficial to skin wound healing, so that cells are quickly repaired, and the emulsifiable concentrate oil has a rejuvenation effect. The emulsifiable essential oil has excellent ageing resistance, can lead the new life of vouchsafe aged skin to fade fine lines and has excellent effect of smoothing wrinkles, and is a real skin care holy product. The emulsifiable concentrate has strong antioxidant capacity, and can prevent free radical injury and slow down skin aging. The essential oil has good moisturizing effect, and can moisten dry skin, and improve skin elasticity and luster. The components in the essential oil can promote skin to generate collagen, make skin more compact, and reduce wrinkle. The emulsifiable essential oil can restore skin elasticity, tighten pores, improve relaxation and promote tightening. The emulsifiable essence oil can promote cell regeneration, lighten the color spots of the skin, make the skin more uniform and white and has the effects of whitening and removing the color spots. The essential oil has astringent and skin caring effects. The components in the emulsifiable essential oil have strong anti-inflammatory effect, and can relieve skin inflammation, and reduce redness, swelling and itching. The emulsifiable concentrate oil can improve dry, inflamed and sensitive skin, and has repairing effect on wounds, ulcers, sunburn and inflamed skin;
sandalwood (Santalum album l.) is an evergreen small arbor of the genus santalum of the family santalaceae. Is native to the Pacific islands and cultivated mostly in India. The sandalwood tree is called "golden tree" because it is almost precious throughout the body and the economic value of each part is very high. Sandalwood is a rare traditional Chinese medicine. The root and trunk crushed materials of the sandalwood can extract essential oil, and the sandalwood essential oil is commonly called as liquid gold. The young branches of the sandalwood crown and the partial branches trimmed in the growing process are the raw materials purchased by high-grade incense factories and are good materials for carving technology. The sandalwood essential oil has the effects of soothing nerves, calming, relieving insomnia, soothing nervous tension and anxiety, relaxing people, relieving physical and mental fatigue and the like. The main components of the sandalwood essential oil comprise alpha-santalol, beta-santalol and santalone, and the components endow the sandalwood essential oil with unique effects in whitening and lightening spots. Alpha-santalol exhibits remarkable antioxidant and anti-inflammatory effects. This means that it can neutralize and weaken, destroy skin aging, and reduce skin inflammation, creating good conditioning for spot lightening. In addition, it was found in some experiments that β -santalol has a certain effect on the skin adsorption melanin production. This means that the sandalwood essential oil can not only help to attenuate existing skin melanin, but also prevent the deposition of new melanin. The effect of the sandalwood essential oil in whitening and spot-fading is a multi-aspect benefit, and the antioxidation and anti-inflammation effects of the sandalwood essential oil are helpful for weakening skin sensitivity when the whitening and spot-fading essential oil is prepared, so that the sandalwood essential oil is more suitable for being used in whitening and spot-fading products. The sandalwood essential oil has the effect of promoting the growth of skin cells, can quickly recover wounds or scars, and further has the effects of elasticity and contraction; is especially suitable for caring skin with aging, dryness and water deficiency, balancing and softening skin, improving dryness, removing texture, scar, fine line, moistening skin, and preventing wrinkle. Can be used for treating dry skin, hardened skin cutin, xerotic eczema, wound, sunburn, etc. The oleum Santali albi has antibacterial and antiinflammatory effects, and can be used for treating wound infection, skin inflammation, itching, and improving facial herpes, furuncle and infected wound. The cooling property of the sandalwood essential oil can be used for calming sunburn and inflamed skin, relieving and cooling burn, getting rid of uneven sunburn, removing bacteria, and avoiding infection.
Preferably, the thickener is carbomer.
Carbomer is a high molecular polymer of acrylic acid bonded allyl sucrose or pentaerythritol allyl ether, is a common cosmetic additive, has various functions and effects in maintaining beauty and keeping young, can protect skin, moisturize, promote skin repair, resist wrinkles, whiten skin and the like, and is a common beauty component. Carbomers protect the skin and have a certain affinity for the skin, so that the addition of carbomers to skin care products reduces irritation and damage to the skin and mucous membranes by irritant substances. Carbomers can resist ultraviolet rays, can strengthen the ultraviolet ray resistance of I or me skin, and reduce the damage of ultraviolet rays to the skin. It is used by many people as a component of sunscreens. Carbomers can reduce viscosity because they have some porosity themselves, a very powerful slightly acidic substance that can dilute things. In the manufacture of many cosmetics, particularly gel-type cosmetics, carbomers can be added to reduce the viscosity of these materials to maintain a proper viscosity of the cosmetics. The neutralized carbomer is an excellent gel matrix, has important applications such as thickening and suspending, has simple process and good stability, and is widely applied to emulsion, cream and gel. Carbomers can absorb moisture to keep the skin moist, and at the same time promote hydration of the stratum corneum, enhancing the water retention capacity of the skin. Carbomer has certain anti-inflammatory and bactericidal effects, and can be used for preparing some cosmeceutical components because the carbomer is a natural medicinal component and has certain anti-inflammatory and bactericidal effects. Carbomers have anti-inflammatory, antiallergic, antioxidant effects and can protect the skin from external environmental damage, such as ultraviolet light, contamination, etc. Carbomer can promote proliferation and differentiation of skin cells, accelerate skin repair, and improve skin problems such as wound, burn, dermatitis, etc. Carbomers can inhibit the action of collagenase, thereby reducing the formation of wrinkles and making the skin more firm and smooth. Carbomer has skin whitening effect, and can inhibit melanin formation, reduce pigmentation such as mottle and freckle, and make skin white. It also ensures the quality of the cosmetic through a number of combined actions. Carbomers therefore play a relatively important role in the cosmetic manufacturing industry.
Preferably, the neutralizing agent is triethanolamine.
Triethanolamine is colorless transparent liquid, is an organic compound, is commonly used as a component of cosmetics, has antibacterial and antiinflammatory effects, can improve rough skin and xerosis cutis, and can be used for treating skin inflammation such as contact dermatitis and chronic eczema. Triethanolamine is used as an emulsifier, humectant, moisturizer, thickener, pH balancer in cosmetics (including skin washing, eye drop, moisturizing, shampoo, etc.). In cosmetic formulations for neutralization with fatty acids to form soaps and with sulfated fatty acids to form amine salts. The triethanolamine is a common emulsifier in the cream preparation, and the cream product emulsified by the triethanolamine has the characteristics of fine paste and bright white paste, and in addition, the stability of a colloid phase formed by the triethanolamine and higher fatty acid or higher fatty alcohol is good, the quality of the product is stable, and the specific gravity of the additive components can be increased. Triethanolamine is the most commonly used neutralizer containing acid polymer gel such as carbomer, and the triethanolamine forms a stable polymer structure through neutralization with carboxyl of the carbomer, so that the application effects of thickening and moisturizing are achieved. The substance can also exert whitening effect by improving pH of skin. Because the pH value of human skin is acidic, too high or too low a pH value can cause problems such as dullness, color spots and the like. The triethanolamine can be used for regulating the pH value of the skin to ensure that the pH value is in a healthy pH value range, so that the skin is brighter and smoother.
Preferably, the natural humectant is any one or a mixture of glycine, serine, sodium hyaluronate and allantoin.
Among them, glycine, also known as glycine, is a non-essential amino acid. In cosmetic and skin care products, glycine can improve visible signs of aging, improve moisture retention, increase collagen production and promote skin repair and regeneration. Glycine is believed to help support healthy collagen production and stimulation. When topically applied, glycine penetrates the skin because the amino acid is one of the small molecules, especially the smallest glycine. One of the major factors responsible for the formation of fine lines and wrinkles is the reduction in skin collagen content. With age, the human body produces less and less collagen. With age, the skin becomes thinner and more fragile. Collagen has a triple helix structure, consisting of glycine and two additional amino acids (proline and hydroxyproline). Glycine can help support collagen production, help maintain skin firmness and promote skin repair and regeneration. Glycine may also benefit the skin by supporting moisture retention. Glycine and other amino acids are naturally present in the skin as part of natural moisturizing factors. The natural moisturizing factor consists of amino acid, sugar and electrolyte, and can keep the skin surface intact, soft and moist. In particular, amino acids interact with aquaporins or the water transport system of the human body to transfer moisture to the entire skin. Thus, topical application of amino acids (e.g., glycine) may help improve moisture retention in the skin. Glycine can help to improve product stability. It also acts as a buffer, meaning that it can be used to establish and maintain the pH of the cosmetic formulation. In chemistry, pH stands for "latent hydrogen," which refers to the level of acidity or alkalinity in a given solution. The addition of glycine to an acidic or alkaline solution will make it neutral, which is a good message for sensitive skin types, if the pH is outside the normal pH range of the skin (4.7-5.75), it will irritate the skin;
Serine, also known as beta-hydroxy alanine, is a basic unit constituting a protein and is one of 21 amino acids constituting a human protein. Serine is necessary for maintaining normal physiological functions of human body, can participate in synthesis of protein in vivo, and has certain effects of maintaining normal metabolism of skin tissue cells and delaying skin aging. Serine can be used as antioxidant in cosmetics, and can inhibit lipid peroxidation, reduce injury of free radical to skin, and maintain skin elasticity and luster. Serine is one of amino acids essential for human body, is an essential substance for maintaining normal metabolism of human body, and is also a catalyst for biochemical reaction. Therefore, serine can play an antioxidant role, reduce the damage of ultraviolet rays to skin, inhibit the generation of melanin, improve symptoms such as skin darkness and color spots to a certain extent, and play a whitening effect. Serine can help to improve sleep quality, so that the serine can help to relieve anxiety, depression and other bad moods to a certain extent, and further improve sleep quality of a human body. The serine has the effects of moisturizing, supplementing water needed by skin, improving discomfort symptoms such as skin dryness and skin peeling, making skin more elastic, promoting skin cell regeneration, and moistening skin. Serine is a small molecule that is easily absorbed by the skin and helps to dry or loose skin. In addition, the acne-removing cream also has the acne-removing function, and can also help to improve skin oil production through moisturizing. If there are dry, rough, dull skin, etc., the proper use of serine cosmetics can improve the skin condition;
Sodium hyaluronate, an inherent component in the human body, is a glucuronic acid, and is widely found in tissues and organs such as placenta, amniotic fluid, lens, articular cartilage, dermis layer of skin and the like. It is distributed in cytoplasm and cell interstitium, and has lubricating and nourishing effects on cells and organelles contained in the cytoplasm and the cell interstitium. Moisturizing is the most important role of sodium hyaluronate in cosmetics, and the relative humidity of the surrounding environment has less effect on its moisturizing properties than other moisturizers. Sodium hyaluronate has excellent wrinkle resistance. The moisture level of the skin is closely related to the sodium hyaluronate content, and the sodium hyaluronate content in the skin is reduced with the age, so that the water retention function of the skin is weakened, and wrinkles are generated. The sodium hyaluronate aqueous solution has strong viscoelasticity and lubricity, and can form a layer of moisture-preserving breathable film when being coated on the surface of skin, so that the skin is kept moist and bright. The small molecular sodium hyaluronate can permeate into dermis, promote blood microcirculation, facilitate absorption of nutrients by skin, and play a role in caring skin, resisting wrinkles and promoting health. The sodium hyaluronate has good film forming property and lubricity, belongs to high molecular polymers, has obvious lubrication feel and good hand feeling when being smeared, and can form a layer of breathable film on the surface of skin to make the skin smooth and moist and prevent invasion of external bacteria, dust and the like; the small molecular sodium hyaluronate can permeate into dermis, has the effects of slightly expanding capillary vessels, increasing blood circulation, improving intermediate metabolism, promoting skin nutrition absorption, and achieving lubrication and plumpness. Sodium hyaluronate has the highest moisture absorption at low relative humidity (33%) and the lowest moisture absorption at high relative humidity (75%) compared to typical humectants. This unique property is being adapted to the cosmetic moisturizing requirements of the skin in different seasons, different environmental humidity conditions, such as dry winter and wet summer. Sodium hyaluronate is a biological substance inherent to the skin, and exogenous sodium hyaluronate is a supplement to the endogenous sodium hyaluronate of the skin. The sodium hyaluronate with smaller mass can permeate into skin epidermis layer to promote the supply of skin nutrition and the excretion of waste, thereby preventing skin aging and playing a role in maintaining beauty and keeping young. Sodium hyaluronate has effects of preventing sunburn and repairing skin injury, and when skin is burnt by sunlight or baked, such as reddening, blackening and desquamation, sodium hyaluronate can eliminate active oxygen free radical generated by ultraviolet irradiation on skin surface to protect skin from ultraviolet injury, and promote proliferation and differentiation of epidermal cells and skin regeneration of injured part. The sodium hyaluronate has the effect of whitening, can promote metabolism of skin, and is helpful for improving symptoms such as dark yellow skin, pigmentation and the like. Therefore, the sodium hyaluronate can play a role in whitening. The preparation is used in advance and has a certain preventive effect. The action mechanism of the sunscreen cream is different from that of an ultraviolet absorber commonly used in sunscreen cream, so that sodium hyaluronate and the ultraviolet absorber are mixed for use in a sunscreen skin care product, the sunscreen cream has a synergistic effect, can simultaneously reduce the transmission of ultraviolet rays and repair skin injury caused by a small amount of transmitted ultraviolet rays, and plays a double protection role. Sodium hyaluronate has very high viscosity in aqueous solution, and 1% aqueous solution of sodium hyaluronate is gel-like, and can play a role in thickening and stabilizing when being added into cosmetics;
Allantoin, N- (2, 5-dioxo-4-imidazolinidinyl) urea, is a natural moisturizing factor synthesized in vivo and is also an active ingredient commonly found in cosmetics. In cosmetics, allantoin plays a major role in moisturizing and keratolytic. The primary efficacy of allantoin is moisture retention. The allantoin is added into the cosmetic, so that the moisture retention capacity of the skin can be enhanced, the skin can resist the erosion of dry environment, and the skin can be moisturized and elastic. Allantoin can promote the water absorption capacity of the outermost layer of skin, reduce the evaporation of skin moisture, and form a lubricating film on the surface of the skin, so that the moisture is sealed to achieve the effect of moistening the skin. Allantoin has good skin moisturizing effect, and can restore smoothness and luster of the skin after chapped and rough skin, enhance the water absorption capacity of the skin, restore damaged stratum corneum and restore the natural water absorption capacity of the skin. Allantoin has the effects of resisting inflammation and oxidation, promoting cell growth, accelerating wound healing, softening keratin and the like, and is a good healing agent and antiulcer agent for skin wounds. Can be used for relieving and treating xerosis cutis, scaling skin diseases, skin ulcer, peptic ulcer and inflammation, and has good therapeutic effect on osteomyelitis, diabetes, liver cirrhosis, and acne. Allantoin can promote metabolism of skin, and accelerate metabolism of old and waste cutin and precipitated melanin, so that the skin whitening effect is achieved. Allantoin can change the structure of proteins in the stratum corneum, so that the proteins become soft, and the allantoin is helpful for removing redundant keratinocytes, preventing pore blockage and improving skin quality. Meanwhile, the allantoin has good digestion property, so that the cosmetics are more easily and uniformly distributed on the skin, and the absorption capacity of the skin to other effective components is improved, thereby enhancing the efficacy of the cosmetics. Therefore, many moisturizing cosmetics, such as facial cleansing products, hand creams, skin care lotions, and the like, contain allantoin. The allantoin is an amphoteric compound, can be combined with various substances to form double salts, has the effects of light shading, sterilization, corrosion prevention, pain relieving and oxidation resistance, can keep skin moisture, moisten and soften, is a special effect additive for cosmetics such as cosmetology and hairdressing, and is widely used as an additive for freckle cream, acne liquid, shampoo, perfumed soap, toothpaste, shaving lotion, hair conditioner, astringent, sweat-resistant deodorant lotion and the like. The cosmetic containing allantoin has tissue protecting, hydrophilic, water absorbing and moisture emission preventing effects; the allantoin-added hair cream, hair cream and shampoo have the effect of protecting hair, so that the hair is not bifurcated and is not broken; the allantoin-added lipstick and facial cream can make skin and lips soft and elastic, and have beautiful luster. Allantoin promotes tissue growth, cellular metabolism, and softens the stratum corneum proteins. Allantoin not only has mild and non-irritating properties, but also can reduce the irritation of other components to skin, and sensitive muscles can be used with ease.
Preferably, the natural plant extract with the after-sun restoration effect is any one of turmeric extract, cucumber extract, saffron extract and marigold extract or a mixture thereof.
The Curcuma rhizome extract is derived from dried rhizome of Curcuma rhizome (Curcuma longa L) of Zingiberaceae, has remarkable effects in medicine and cosmetics, and is used in skin care product, and mainly has effects of resisting dandruff, inflammation and oxidation. The turmeric contains abundant flavonoid substances such as curcumin and curcumone, can neutralize free radicals, reduce the damage of oxidative stress to skin, is beneficial to delaying the skin aging process, reduces the appearance of fine lines and wrinkles, and plays roles of resisting oxidation and aging. It is also considered as the first choice for the prevention and treatment of a range of dermatological disorders such as psoriasis, acne, wounds, burns, eczema, sunburn, and the prevention of aging. Curcumin in Curcuma rhizome extract has effects of inhibiting melanin formation, reducing black spot and freckle, homogenizing skin color, inhibiting tyrosinase activity, reducing pigmentation, and whitening skin, so that it has good whitening effect. The turmeric extract has broad-spectrum antibacterial activity, and can inhibit the growth of various bacteria and fungi. Can be used for treating acne and other skin infections, and reducing skin problems caused by pathogenic microorganisms. The Curcuma rhizome extract has obvious anti-inflammatory effect, can inhibit inflammatory reaction and inflammatory mediator generation, and can relieve inflammation symptoms such as inflammation, itching, pain, etc. caused by skin problems, such as acne, eczema, dermatitis, etc. The turmeric extract also contains abundant moisturizing components, can increase the moisture content of skin, improve the water-oil balance of skin, provide moisturizing and softening effects, and enable the skin to be smoother and more elastic. ;
Cucumber (Cucumis sativusLinn), also known as cucumber or cucumber, is a plant of the genus Cucumis sativus of the family Cucurbitaceae. Cucumber extracts contain many active ingredients, such as: vitamins, minerals, amino acids, phytosterols, gelatin, cucurbitacins, etc. Wherein the amino acid is effective in retaining moisture of skin. The skin care product is widely used as a hydrating agent, an emollient, an astringent and a cooling agent, can be added into skin care products of cleaning, moisturizing, soothing and refreshing, and is particularly suitable for soothing and repairing skin after sun exposure. The cucumber extract has the effect of whitening skin, and because the cucumber extract contains abundant vitamin C and polyphenol compounds, the components can inhibit the generation of melanin, reduce skin pigmentation and make the skin more white and transparent. The cucumber extract contains abundant vitamin E, and has the effects of prolonging life and resisting aging. It also contains cucumber enzyme, has strong biological activity, can effectively promote metabolism of organism, and has the effects of moisturizing skin and stretching wrinkles;
Crocus sativus (Crocus sativus l.) is also known as crocus sativus, a perennial flower of the genus crocus of the family Iridaceae, and is also a common spice. Is a species native to the southwest asia, and was first cultivated artificially by greek humans. Mainly distributed in Europe, mediterranean, zhongya, etc., and transmitted into China in Ming dynasty, which is classified as a drug by Ben Cao gang mu, etc., planted in Zhejiang, etc. Is a precious Chinese medicinal material, has strong physiological activity, and has the effects of tranquilizing, eliminating phlegm and relieving spasm when used as a medicine in Asia and Europe. The most important effect on skin aging is photo aging, and it is now widely believed that photo aging affects skin aging by 90%, and photo aging damages our skin at any time under ultraviolet irradiation: ultraviolet rays can cause skin to generate ROS, a large amount of ROS can attack normal cells in the skin of people, and when the damage speed is greater than the self-repair speed of the skin, a series of skin reactions can be caused to generate oxidative damage. Comprises the aging phenomena of reduced activity of epidermal cells, damaged oxidation of DNA and protein, increased activity of matrix metalloproteinase, degradation of collagen and elastin, further generation of darkness, roughness, wrinkles and the like. Crocus sativus is an important aromatic plant called "golden condiment", and crocus sativus extract is derived from dry stigma croci sativi, and is an all-round ingredient for repairing skin aging in various aspects. The crocus sativus extract has effects in promoting skin metabolism, scavenging free radicals, inhibiting melanin deposition, promoting speckle removal and decolorizing, and absorbing ultraviolet. In addition, the skin-whitening and sun-screening cream also has the effects of whitening, sun-screening, anti-aging and the like. The crocin extract can improve photoaging and directly strike skin oxidative damage, wherein crocin is equivalent to a big sponge, can absorb various light wave attacks sent by ultraviolet rays, and experiments show that the crocin extract can achieve 80% of cleaning effect even under low concentration. For the degradation problems of collagen, elastin, hyaluronic acid and the like caused by photo-aging, the crocus sativus extract can inhibit matrix metalloproteinase, elastase and hyaluronidase, so that ultraviolet irradiation is resisted, the inhibition rate is about 60%, and meanwhile, the proliferation and collagen synthesis capacity of skin fibroblasts can be recovered, so that the photo-aging resistance effect is realized. The crocus sativus extract also can inhibit the stimulation factor, and effectively maintain stability and repair the skin. In addition, the crocus sativus extract has superior moisturizing capability, can improve the water locking capability of the muscle sole, and the product containing the crocus sativus extract has better moisturizing effect along with continuous use. The moisturizing mechanism is different from that of a common moisturizing product for simply absorbing moisture and preventing moisture, and is possibly related to that the moisturizing mechanism can promote the improvement of the intrinsic structure of skin;
Tagetes (TAGETES ERECTA L.) is an annual herb of the genus Tagetes of the family Compositae, and is cultivated in China in Mexico as the original product. The marigold extract is a commonly used natural pharmaceutical ingredient, has various effects, and can be used for treating various diseases and improving physical health. The marigold extract contains rich flavonoid compounds, polysaccharide, amino acid and other components, and the components have good moisturizing, antioxidant, anti-inflammatory and antibacterial effects, so that the marigold extract can be applied to the field of cosmetics. The marigold extract contains rich polyphenol compounds, and the compounds have strong antioxidation effect, can remove free radicals and protect cells from oxidative damage. The flos Tagetis Erectae extract can promote skin cell metabolism, enhance skin self-repairing ability, improve skin texture, and reduce skin aging. The flos Tagetis Erectae extract can isolate 27 kinds of triterpene compounds with antiinflammatory effect, and has effects in eliminating skin inflammation, inhibiting skin induced allergy, relieving skin allergic reaction, and repairing skin after sun-drying. The flos Tagetis Erectae extract has effects of enhancing resistance of capillary vessel, inhibiting capillary permeability and resisting inflammation; it also has free radical scavenging, antioxidant, and antiaging effects. The marigold extract also has a certain inhibition effect on melanocytes, so that the marigold extract has the effects of whitening and removing freckles. The flos Tagetis Erectae contains lutein, and can prevent ultraviolet injury and inhibit free radical generation, and can be used for sunscreen product. The marigold extract can be used in products such as face cream, emulsion, essence, facial mask and the like, and can effectively improve the moisture content of skin, enhance the elasticity and glossiness of skin, and reduce the problems of dryness, roughness, wrinkles and the like of skin. In addition, the marigold extract can be used in products such as lipstick and lipstick, and can effectively moisten the skin of lips and prevent the lips from chapping.
Preferably, the natural preservative is any one of thyme essential oil, oregano essential oil, cinnamon essential oil and clove essential oil or a mixture thereof.
Wherein thyme (Thymus mongolicus (Ronniger) Ronniger) is a thyme of the genus thyme of the family Labiatae. Thyme is named from greek because it is aromatic to humans and has a elegant, intense musk fragrance. Thyme is native to the Mediterranean zone and distributed in China in Gansu, shaanxi, inner Mongolia etc. Thyme essential oil is one of the essential oils with the most antiseptic efficacy, can be used for comprehensively resisting infection, killing insects, resisting bacteria, resisting viruses, resisting spasticity, strengthening body, diminishing inflammation, relieving pain, promoting scarring and resisting oxidization, effectively inhibiting dandruff and alopecia, and treating uncomfortable symptoms such as cold, cough, sore throat and the like. Thyme essential oil can improve digestive system and gynecological diseases, promote blood circulation, enhance immunity, and relieve neuropathic pain. Thyme essential oil can help wound healing, and can be used for treating eczema and facial bleb skin. Thyme essential oil can activate brain cells, improve memory and attention, resist depression and pacify heart trauma, strengthen nerve and prevent nightmare. The thyme essential oil has rich chemical components and various biological activities, and has the outstanding effects of perfuming, moisturizing, whitening, acne removing, anti-inflammatory and the like, and can be applied to the field of cosmetics;
Oregano (Origanum vulgare L.) is a Labiatae plant. The oregano essential oil is the strongest natural anti-inflammatory and antibacterial agent found by human beings at present, is extracted from oregano, and has the effects of clearing heat, removing dampness, dispelling summer heat, relieving exterior syndrome, regulating qi, diminishing inflammation, sterilizing, inhibiting bacteria, resisting viruses, resisting oxidation, promoting digestion and the like. The oregano essential oil is the pure traditional Chinese medicine additive with broad-spectrum antibacterial effect on 31 common enteritis causing bacteria and shigella flexneri, and is an essential oil which can be called as natural antibiotic. Studies have shown that it is even capable of combating a super staphylococcus aureus (MRSA) which is currently ineffective with any antibiotic, and has an antioxidant effect superior to many other herbs, 4 times that of blueberry, 12 times that of orange, and 42 times that of apple. The traditional Chinese medicine holds that: the oregano has pungent taste, is cool and nontoxic, can be used as a whole herb, and has the effects of clearing heat and relieving exterior syndrome, regulating qi and eliminating dampness, and inducing diuresis and relieving swelling. The oregano essential oil is used as a herbal defensive agent in modern medicine, is used for resisting fungi, viruses, bacteria and parasites, and has good control effect on intestinal diseases caused by escherichia coli, salmonella and the like. The oregano essential oil is a powerful natural antibiotic, can treat cold and influenza, and has the effect of relieving respiratory tract infection and mucositis; can relieve asthma and cough symptoms, and is effective on chronic bronchitis; can relieve gastrointestinal discomfort; can be used for resisting virus (skin infection/trauma), pulmonary tuberculosis, plague, etc.; the product can diminish inflammation and sterilize; is a natural analgesic, and can relieve pain, toothache, chronic rheumatism, and muscle pain; can resist fungal infection; can clean blood and balance metabolism; can stabilize emotion and enhance safety;
Cinnamon (Cinnamomum cassia (l.) d.don), is the dried bark and branch bark of cinnamon, a family of camphoraceae. The materia medica outline is recorded in the article of materia medica outline, and cinnamon has the efficacy of warming middle energizer, tonifying kidney, dispelling cold and relieving pain. In the 15 and 16 th centuries, cinnamon was one of the most precious flavors, which was even more valuable than gold at that time. In Egypt, the preservative properties of cinnamon are used to make mummy, the aromatic properties of which are also used to make perfumes. The cortex Cinnamomi essential oil has antiseptic, antibacterial, analgesic, antioxidant, antiinflammatory, antiviral, antirheumatic, spasmolytic, yang supporting, astringent, insecticidal, mood regulating, immunity enhancing, memory improving, digestion promoting, and blood circulation promoting effects. The cinnamon essential oil is beneficial to body health, can be used for treating respiratory system problems, enhancing cognitive functions, improving skin health and the like; can help relieve pain caused by headache, dysmenorrhea, arthritis and other diseases; has antioxidant activity, and can scavenge free radicals; can inhibit the release of inflammatory compounds from human cells, help reduce systemic inflammation, including joints, muscles and digestive system, to treat arthritis, crohn's disease, ulcerative colitis, etc.; can be used for caring skin, reducing wrinkles and senile plaque, balancing skin color, and keeping skin taut and full of vigor; is helpful for resisting virus infection such as influenza, rheumatism, wart, cough, common cold, etc.; can help to treat rheumatism; can be used as insect repellent; improving mental state by improving vitality, power and creativity, calming mind by improving emotion and relieving mental fatigue, and helping to reduce stress and fatigue; is a good immunopotentiator for improving the immunodeficiency; can improve cognitive function and memory of Alzheimer's disease patients; improving dyspepsia problem; promote blood circulation, thereby obtaining oxygen, vitamins and minerals required by the body and hair to maintain health. The cinnamon essential oil has the effect of removing pigmentation, and can also achieve the purpose of whitening skin. The cinnamon essential oil can be applied to the fields of medicine, cosmetics, aromatherapy, food industry and the like;
Flos Caryophylli (Eugenia caryophyllata Thunb.) is a dried bud of Syzygium aromaticum of Myrtaceae. Mainly produced in Morganella, madagger, spirantha, indonesia, guangdong and Hainan of China. The flos Caryophylli essential oil has aromatic and strong smell, has antiinflammatory, antibacterial, analgesic and repercussive effects, can inhibit bacteria and microorganism proliferation, and can be used for treating toothache, bronchitis, neuralgia, gastric acid, relieving discomfort and pain caused by dysentery, improving debilitating constitution and anemia, promoting blood circulation, and improving rough skin. The clove essential oil contains rich antioxidant components, can effectively resist free radical attack and delay aging. The eugenol, eugenol acid and other components in the butyl essential oil have the effects of removing spots and whitening, and can lighten spots and lighten skin color. The eugenol, eugenol acid and other components in the clove essential oil also have the function of cleaning pores, and can remove blackheads, acnes and the like. The essential oil contains multiple moisturizing components, and can moisten skin and enhance the moisturizing capability of skin. The clove essential oil can promote wound healing and has certain treatment effect on skin diseases such as skin ulcer, mange and the like. By virtue of the antibacterial property, the clove essential oil can also be used for treating skin problems such as acne and the like. The oleum Caryophylli also has effects of invigorating stomach and relieving flatulence, and can promote digestion and absorption of food and relieve singultus, regurgitation, flatulence and abdominal pain. The clove essential oil has spicy fragrance, has the effects of soothing liver and regulating qi, and can be used for pleasure mood and relieving chest distress and discomfort caused by liver depression and qi stagnation.
The beneficial effects of the invention are as follows:
According to the invention, lignin extracted from the large-scale waste shells of the longan industry is creatively applied to the sun-proof skin care product, so that not only are waste resources of the longan industry reasonably utilized, but also some innovations are made on the aspect of the sun-proof skin care product, and the product is green and natural, high in safety and remarkable in effect; the sun-proof skin care product which is green and natural in component, small in skin irritation, high in safety, high in comfort, moisture-preserving, whitening, oxidation-resistant, aging-resistant and excellent in sun-proof and repairing functions is prepared by taking the longan shell lignin composite sun-proof particles, the natural humectant and the natural plant extract as effective active components.
Drawings
FIG. 1 is a schematic illustration of the moisture retention of various embodiments;
FIG. 2 is a graph showing the inhibition of tyrosinase activity by various examples;
FIG. 3 is a graph showing the DPPH radical scavenging rate in accordance with various embodiments;
FIG. 4 is a graph showing the clearance of ABTS free radicals according to various embodiments;
FIG. 5 is a schematic diagram of total reducing force for various embodiments;
FIG. 6 is a graph showing the inhibition of elastase activity in various examples;
FIG. 7 is a graph showing the transmittance of different embodiments.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1:
A preparation method of the sun-proof skin care product comprises the following steps:
(1) Weighing choline chloride and lactic acid (choline chloride: lactic acid=1:7) according to a certain molar mass ratio, placing the choline chloride and lactic acid into a beaker, heating (85 ℃) in an oil bath pot, stirring and reacting for 5 hours, fully reacting to form transparent uniform liquid, obtaining a choline chloride/lactic acid eutectic solvent, taking out, cooling, and sealing and preserving for later use;
(2) Cleaning longan shells, drying at 85 ℃ for 20 hours, crushing by a crusher, sieving by a 100-mesh sieve, and filling the obtained longan shell powder into a sealing bag and placing the sealing bag into a dryer for standby; weighing longan shell powder, fully mixing the longan shell powder with a eutectic solvent (DES) according to a certain feed-liquid ratio (g/mL) (the longan shell powder is DES=1:15), heating in an oil bath pot (100 ℃) and stirring for reacting for 11h, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 4 times, merging filtrate obtained by filtering, evaporating ethanol by a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 5L of deionized water, stirring for 18min, standing for 12h, and centrifuging (10000 r/min,24 min) to separate solid precipitate; drying the obtained solid precipitate in an oven at 82 ℃ for 24 hours to obtain black solid which is longan shell lignin;
(3) Weighing 10 parts of longan shell lignin, dispersing in 90 parts of deionized water, slowly dropwise adding a NaOH solution with the concentration of 12% while stirring, regulating the pH value of a solution system to 9.2, and continuously stirring for 11min to uniformly disperse the longan shell lignin in the deionized water to prepare a longan shell lignin solution with the concentration of 10%; 10 parts of sodium alginate is weighed and dispersed in 90 parts of deionized water, naOH solution with the concentration of 12% is slowly added dropwise while stirring, the pH value of the solution system is regulated to 8.2, and then stirring is continued for 13min, so that the sodium alginate is uniformly dispersed in the deionized water, and sodium alginate solution with the concentration of 10% is prepared;
(4) Accurately measuring the prepared longan shell lignin solution with the concentration of 10%, sodium alginate solution with the concentration of 10% and the Uyghur essential oil with sun-screening and repairing effects, adding the longan shell lignin solution, the sodium alginate solution and the Uyghur essential oil with the concentration of 10:10:1 into a beaker according to a certain volume ratio, dispersing for 6min by using an ultrasonic crusher, taking the upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min and 20 min), and then performing vacuum freeze-drying for 50h to obtain the longan shell lignin/sodium alginate/Uyghur essential oil composite sun-screening particles.
(5) Weighing 0.8 part of carbomer, adding the carbomer into 26 parts of deionized water, heating (86 ℃) and stirring until the carbomer is fully dissolved to obtain a carbomer solution;
(6) Weighing 0.4 part of allantoin, adding into 10 parts of deionized water, heating (80 ℃) and stirring until the allantoin is fully dissolved to obtain an allantoin solution (the humectant is dissolved in hot water and slightly dissolved in water, and the heating and the dissolution are required independently);
(7) Cooling carbomer solution to about 46 ℃, adding the prepared allantoin solution, 1.6 parts of triethanolamine, 5 parts of longan shell lignin/sodium alginate/Uyghur essence oil composite sun-screening particles, 5 parts of glycine, 2 parts of cucumber extract, 2 parts of turmeric extract, 0.8 part of thyme essence oil, 0.7 part of cinnamon essence oil and 45.7 parts of residual water into the carbomer solution, stirring the mixture uniformly by a magnetic stirrer, sterilizing the mixture at high static pressure for 9min (450 MPa), and bottling the mixture to obtain the sun-screening skin care product with excellent sun-screening and repairing functions.
Example 2:
A preparation method of the sun-proof skin care product comprises the following steps:
(1) Weighing choline chloride and lactic acid (choline chloride: lactic acid=1:9) according to a certain molar mass ratio, placing the choline chloride and lactic acid into a beaker, heating (95 ℃) in an oil bath pot, stirring and reacting for 3 hours, fully reacting to form transparent uniform liquid, obtaining a choline chloride/lactic acid eutectic solvent, taking out, cooling, and sealing and preserving for later use;
(2) Cleaning longan shells, drying at 80 ℃ for 24 hours, crushing by a crusher, sieving by a 100-mesh sieve, and filling the obtained longan shell powder into a sealing bag and placing the sealing bag into a dryer for standby; weighing longan shell powder, fully mixing the longan shell powder with a eutectic solvent (DES) according to a certain feed-liquid ratio (g/mL) (the longan shell powder is DES=1:30), heating in an oil bath kettle (120 ℃) and stirring for reacting for 9 hours, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 5 times, merging filtrate obtained by filtering, evaporating ethanol by using a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 6L of deionized water, stirring for 25min, standing for 12h, and centrifuging (10000 r/min,30 min) to separate solid precipitate; drying the obtained solid precipitate in an oven at 90 ℃ for 24 hours to obtain black solid which is longan shell lignin;
(3) Weighing 20 parts of longan shell lignin, dispersing in 80 parts of deionized water, slowly dropwise adding a NaOH solution with the concentration of 18% while stirring, regulating the pH value of a solution system to 9.4, and continuously stirring for 15min to uniformly disperse the longan shell lignin in the deionized water to prepare a longan shell lignin solution with the concentration of 20%; weighing 20 parts of sodium alginate, dispersing the sodium alginate in 80 parts of deionized water, slowly dropwise adding an NaOH solution with the concentration of 18% while stirring, adjusting the pH value of a solution system to 8.4, and continuously stirring for 14min to uniformly disperse the sodium alginate in the deionized water to prepare a sodium alginate solution with the concentration of 20%;
(4) Accurately measuring the prepared longan shell lignin solution with the concentration of 20%, sodium alginate solution with the concentration of 20% and green flower cajeput essential oil with a sun-screening effect, adding the prepared longan shell lignin solution, the sodium alginate solution and the green flower cajeput essential oil with the concentration of 5:5:1 into a beaker according to a certain volume ratio, dispersing for 8min by using an ultrasonic crusher, washing the upper white emulsion with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,22 min), and then carrying out vacuum freeze-drying for 60h to obtain the longan shell lignin/sodium alginate/green flower cajeput essential oil composite sun-screening particles; accurately measuring the prepared longan shell lignin solution with the concentration of 20%, sodium alginate solution with the concentration of 20% and frankincense essential oil with the repairing effect, adding the prepared longan shell lignin solution, the sodium alginate solution and the frankincense essential oil into a beaker according to a certain volume ratio (sodium alginate solution: frankincense essential oil=5:5:1), dispersing for 8min by using an ultrasonic crusher, taking the upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,22 min), and then carrying out vacuum freeze-drying for 60h to obtain the longan shell lignin/sodium alginate/frankincense essential oil composite sun-screening particles;
(5) Weighing 0.6 part of carbomer, adding the carbomer into 22 parts of deionized water, heating (82 ℃) and stirring until the carbomer is fully dissolved to obtain a carbomer solution;
(6) 1.5 parts of sodium hyaluronate is weighed and added into 25 parts of deionized water, and the mixture is stirred until the sodium hyaluronate is fully dissolved, so as to obtain sodium hyaluronate solution (the humectant is easy to agglomerate when added into water, and can be completely dissolved only by long-time stirring and needs to be singly dissolved);
(7) Cooling carbomer solution to about 42 ℃, adding the prepared sodium hyaluronate solution, 1.2 parts of triethanolamine, 6 parts of longan shell lignin/sodium alginate/green flower cajeput essential oil composite sun-screening particles, 4 parts of longan shell lignin/sodium alginate/emulsion essential oil composite sun-screening particles, 2 parts of serine, 2 parts of crocus sativus extract, 1 part of cinnamon essential oil, 1 part of clove essential oil and 33.7 parts of residual water, stirring uniformly by a magnetic stirrer, sterilizing for 5min (600 MPa) under high static pressure, and bottling to obtain the sun-screening skin care product with excellent sun-screening and repairing functions.
Example 3:
A preparation method of the sun-proof skin care product comprises the following steps:
(1) Weighing choline chloride and lactic acid (choline chloride: lactic acid=1:10) according to a certain molar mass ratio, placing the choline chloride and lactic acid into a beaker, heating (100 ℃) in an oil bath pot, stirring and reacting for 2 hours, fully reacting to form transparent uniform liquid, obtaining a choline chloride/lactic acid eutectic solvent, taking out, cooling, and sealing and preserving for later use;
(2) Cleaning longan shells, drying at 90 ℃ for 12 hours, crushing by a crusher, sieving by a 100-mesh sieve, and filling the obtained longan shell powder into a sealing bag and placing the sealing bag into a dryer for standby; weighing longan shell powder, fully mixing the longan shell powder with a eutectic solvent (DES) according to a certain feed-liquid ratio (g/mL) (the longan shell powder is DES=1:25), heating in an oil bath kettle (140 ℃) and stirring for reaction for 8 hours, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 5 times, merging filtrate obtained by filtering, evaporating ethanol by using a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 6L deionized water, stirring for 22min, standing for 12h, and centrifuging (10000 r/min,28 min) to separate solid precipitate; drying the obtained solid precipitate in an oven at 85 ℃ for 24 hours to obtain black solid which is longan shell lignin;
(3) Weighing 12 parts of longan shell lignin, dispersing in 88 parts of deionized water, slowly dropwise adding a NaOH solution with the concentration of 20% while stirring, regulating the pH value of a solution system to 9.4, and continuously stirring for 14min to uniformly disperse the longan shell lignin in the deionized water to prepare a longan shell lignin solution with the concentration of 12%; weighing 12 parts of sodium alginate, dispersing the sodium alginate in 88 parts of deionized water, slowly dropwise adding a NaOH solution with the concentration of 20% while stirring, adjusting the pH value of a solution system to 8.5, and continuously stirring for 12min to uniformly disperse the sodium alginate in the deionized water to prepare a sodium alginate solution with the concentration of 12%;
(4) Accurately measuring the prepared longan shell lignin solution with the concentration of 12%, sodium alginate solution with the concentration of 12% and pine-red plum essential oil with sun-screening and repairing effects, adding the prepared longan shell lignin solution, sodium alginate solution and pine-red plum essential oil with the concentration of 6:5:1 into a beaker according to a certain volume ratio, dispersing for 7min by using an ultrasonic crusher, washing the upper white emulsion with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,30 min), and then carrying out vacuum freeze-drying for 72h to obtain the longan shell lignin/sodium alginate/pine-red plum essential oil composite sun-screening particles;
(5) Weighing 0.7 part of carbomer, adding the carbomer into 24 parts of deionized water, heating (84 ℃) and stirring until the carbomer is fully dissolved to obtain a carbomer solution;
(6) Weighing 0.6 part of allantoin, adding into 10 parts of deionized water, heating (85 ℃) and stirring until the allantoin is fully dissolved to obtain an allantoin solution (the humectant is dissolved in hot water and slightly dissolved in water, and the heating and the dissolution are required independently);
(7) Cooling carbomer solution to about 50 ℃, adding the prepared allantoin solution, 1.4 parts of triethanolamine, 5 parts of longan shell lignin/sodium alginate/pine-red plum essential oil composite sun-screening particles, 2 parts of serine, 3 parts of cucumber extract, 2 parts of marigold extract, 0.9 part of cinnamon essential oil, 0.5 part of oregano essential oil and 49.9 parts of residual water into the carbomer solution, stirring the components uniformly by a magnetic stirrer, sterilizing the components for 7 minutes (550 MPa) under high static pressure, and bottling the components to obtain the sun-screening skin care product with excellent sun-screening and repairing functions.
Example 4:
A preparation method of the sun-proof skin care product comprises the following steps:
(1) Weighing choline chloride and lactic acid (choline chloride: lactic acid=1:5) according to a certain molar mass ratio, placing the choline chloride and lactic acid into a beaker, heating (82 ℃) in an oil bath pot, stirring and reacting for 6 hours, fully reacting to form transparent uniform liquid, obtaining a choline chloride/lactic acid eutectic solvent, taking out, cooling, and sealing and preserving for later use;
(2) Cleaning longan shells, drying at 82 ℃ for 22 hours, crushing by a crusher, sieving by a 100-mesh sieve, and filling the obtained longan shell powder into a sealing bag and placing the sealing bag into a dryer for standby; weighing longan shell powder, fully mixing the longan shell powder with a eutectic solvent (DES) according to a certain feed-liquid ratio (g/mL) (the longan shell powder is DES=1:20), heating in an oil bath pot (110 ℃) and stirring for reaction for 10 hours, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 4 times, merging filtrate obtained by filtering, evaporating ethanol by a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 5L of deionized water, stirring for 20min, standing for 12h, and centrifuging (10000 r/min,26 min) to separate solid precipitate; drying the obtained solid precipitate in an oven at 84 ℃ for 24 hours to obtain black solid which is longan shell lignin;
(3) Weighing 18 parts of longan shell lignin, dispersing in 82 parts of deionized water, slowly dropwise adding NaOH solution with the concentration of 10% while stirring, regulating the pH value of a solution system to 9.2, and continuously stirring for 10min to uniformly disperse the longan shell lignin in the deionized water to prepare longan shell lignin solution with the concentration of 18%; weighing 18 parts of sodium alginate, dispersing the sodium alginate in 82 parts of deionized water, slowly dropwise adding 10% NaOH solution while stirring, adjusting the pH value of a solution system to 8.2, and continuously stirring for 15min to uniformly disperse the sodium alginate in the deionized water to prepare 18% sodium alginate solution;
(4) Accurately measuring the prepared longan shell lignin solution with the concentration of 18%, sodium alginate solution with the concentration of 18% and the Uyghur essential oil with sun-screening and repairing effects, adding the prepared longan shell lignin solution, the sodium alginate solution and the Uyghur essential oil into a beaker according to a certain volume ratio (wherein the sodium alginate solution is the Uyghur essential oil=8:8:1), dispersing for 9min by using an ultrasonic crusher, taking the upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,24 min), and then performing vacuum freeze drying for 48h to obtain the longan shell lignin/sodium alginate/Uyghur essential oil composite sun-screening particles; accurately measuring the prepared longan shell lignin solution with the concentration of 18%, sodium alginate solution with the concentration of 18% and sandalwood essential oil with the repairing effect, adding the longan shell lignin solution with the volume ratio of (the longan shell lignin solution: the sodium alginate solution: the sandalwood essential oil=7:6:1) into a beaker, dispersing for 9min by using an ultrasonic crusher, taking the upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,24 min), and then performing vacuum freeze drying for 48h to obtain the longan shell lignin/sodium alginate/sandalwood essential oil composite sun-screening particles;
(5) Weighing 0.9 part of carbomer, adding the carbomer into 28 parts of deionized water, heating (88 ℃) and stirring until the carbomer is fully dissolved to obtain a carbomer solution;
(6) 1 part of sodium hyaluronate is weighed and added into 20 parts of deionized water, and the mixture is stirred until the sodium hyaluronate is fully dissolved, so that a sodium hyaluronate solution is obtained (the humectant is easy to agglomerate when added into water, and can be completely dissolved only by long-time stirring and needs to be separately dissolved);
(7) Cooling carbomer solution to about 40 ℃, adding the prepared sodium hyaluronate solution, 1.8 parts of triethanolamine, 4 parts of longan shell lignin/sodium alginate/Uyghur essence oil composite sun-screening particles, 3 parts of longan shell lignin/sodium alginate/sandalwood essence oil composite sun-screening particles, 5 parts of glycine, 3 parts of marigold extract, 1 part of turmeric extract, 0.8 part of clove essence oil, 0.5 part of thyme essence oil and 31 parts of residual water into the mixture, stirring the mixture uniformly by a magnetic stirrer, sterilizing the mixture by high static pressure for 6min (580 MPa), and bottling the mixture to obtain the sun-screening product with excellent sun-screening and repairing functions.
Example 5:
A preparation method of the sun-proof skin care product comprises the following steps:
(1) Weighing choline chloride and lactic acid (choline chloride: lactic acid=1:8) according to a certain molar mass ratio, placing into a beaker, heating (90 ℃) in an oil bath pot, stirring and reacting for 4 hours, fully reacting to form transparent uniform liquid, obtaining a choline chloride/lactic acid eutectic solvent, taking out, cooling, and sealing and preserving for later use;
(2) Cleaning longan shells, drying at 86 ℃ for 18 hours, crushing by a crusher, sieving by a 100-mesh sieve, and filling the obtained longan shell powder into a sealing bag and placing the sealing bag into a dryer for standby; weighing longan shell powder, fully mixing the longan shell powder with a eutectic solvent (DES) according to a certain feed-liquid ratio (g/mL) (the longan shell powder is DES=1:10), heating in an oil bath pot (90 ℃) and stirring for reaction for 12 hours, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 3 times, merging filtrate obtained by filtering, evaporating ethanol by a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 4L deionized water, stirring for 15min, standing for 12h, and centrifuging (10000 r/min,20 min) to separate solid precipitate; drying the obtained solid precipitate in an oven at 80 ℃ for 24 hours to obtain black solid which is longan shell lignin;
(3) Weighing 16 parts of longan shell lignin, dispersing in 84 parts of deionized water, slowly dropwise adding a NaOH solution with the concentration of 14% while stirring, regulating the pH value of a solution system to 9.3, and continuously stirring for 12min to uniformly disperse the longan shell lignin in the deionized water to prepare a longan shell lignin solution with the concentration of 16%; weighing 16 parts of sodium alginate, dispersing in 84 parts of deionized water, slowly dropwise adding a 14% NaOH solution while stirring, adjusting the pH value of a solution system to 8.3, and continuously stirring for 11min to uniformly disperse the sodium alginate in the deionized water to prepare a 16% sodium alginate solution;
(4) Accurately measuring the prepared longan shell lignin solution with the concentration of 16%, sodium alginate solution with the concentration of 16% and pine-red plum essential oil with sun-screening and repairing effects, adding the prepared longan shell lignin solution, sodium alginate solution and pine-red plum essential oil with the concentration of 7:7:1 into a beaker according to a certain volume ratio, dispersing for 10min by using an ultrasonic crusher, washing the upper white emulsion with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,26 min), and then performing vacuum freeze drying for 65h to obtain the longan shell lignin/sodium alginate/pine-red plum essential oil composite sun-screening particles; accurately measuring the prepared longan shell lignin solution with the concentration of 16%, sodium alginate solution with the concentration of 16% and geranium essential oil with the repairing effect, adding the longan shell lignin solution, sodium alginate solution and geranium essential oil with the concentration of 8:5:1 into a beaker according to a certain volume ratio, dispersing for 10min by using an ultrasonic crusher, washing the upper white emulsion with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,26 min), and then performing vacuum freeze drying for 65h to obtain the longan shell lignin/sodium alginate/geranium essential oil composite sun-screening particles;
(5) 1 part of carbomer is weighed and added into 30 parts of deionized water, and the carbomer solution is obtained after heating (90 ℃) and stirring until the carbomer solution is fully dissolved;
(6) Cooling carbomer solution to about 48 ℃, adding 2 parts of triethanolamine, 4 parts of longan shell lignin/sodium alginate/pine red plum essential oil composite sun-screening particles, 2 parts of longan shell lignin/sodium alginate/geranium essential oil composite sun-screening particles, 5 parts of glycine, 2 parts of serine, 1 part of crocus sativus extract, 4 parts of cucumber extract, 0.6 part of thyme essential oil, 0.6 part of oregano essential oil and 47.8 parts of residual water, uniformly stirring by a magnetic stirrer, sterilizing by high static pressure for 10min (400 MPa), and bottling to obtain the sun-screening skin care product with excellent sun-screening and repairing functions.
Example 6:
A preparation method of the sun-proof skin care product comprises the following steps:
(1) Weighing choline chloride and lactic acid (choline chloride: lactic acid=1:6) according to a certain molar mass ratio, placing the choline chloride and lactic acid into a beaker, heating (80 ℃) in an oil bath pot, stirring and reacting for 6 hours, fully reacting to form transparent uniform liquid, obtaining a choline chloride/lactic acid eutectic solvent, taking out, cooling, and sealing and preserving for later use;
(2) Cleaning longan shells, drying at 88 ℃ for 16 hours, crushing by a crusher, sieving by a 100-mesh sieve, and filling the obtained longan shell powder into a sealing bag and placing the sealing bag into a dryer for standby; weighing longan shell powder, fully mixing the longan shell powder with a eutectic solvent (DES) according to a certain feed-liquid ratio (g/mL) (the longan shell powder is DES=1:12), heating in an oil bath pot (150 ℃), stirring and reacting for 6h, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 3 times, merging filtrate obtained by filtering, evaporating ethanol by a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 4L deionized water, stirring for 16min, standing for 12h, and centrifuging (10000 r/min,22 min) to separate solid precipitate; drying the obtained solid precipitate in an oven at 88 ℃ for 24 hours to obtain black solid which is longan shell lignin;
(3) 15 parts of longan shell lignin is weighed and dispersed in 85 parts of deionized water, naOH solution with the concentration of 16% is slowly added dropwise while stirring, the pH value of the solution system is regulated to 9.3, and then stirring is continued for 13min, so that the longan shell lignin is uniformly dispersed in the deionized water, and a longan shell lignin solution with the concentration of 15% is prepared; 15 parts of sodium alginate is weighed and dispersed in 85 parts of deionized water, naOH solution with the concentration of 16% is slowly added dropwise while stirring, the pH value of the solution system is regulated to 8.3, and then stirring is continued for 10min, so that the sodium alginate is uniformly dispersed in the deionized water, and sodium alginate solution with the concentration of 15% is prepared;
(4) Accurately measuring the prepared longan shell lignin solution with the concentration of 15%, sodium alginate solution with the concentration of 15% and green flower cajeput essential oil with a sun-screening effect, adding the prepared longan shell lignin solution, the sodium alginate solution and the green flower cajeput essential oil with the concentration of 9:8:1 into a beaker according to a certain volume ratio, dispersing for 5min by using an ultrasonic crusher, washing the upper white emulsion with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,28 min), and then carrying out vacuum freeze-drying for 55h to obtain the longan shell lignin/sodium alginate/green flower cajeput essential oil composite sun-screening particles; accurately measuring the prepared longan shell lignin solution with the concentration of 15%, sodium alginate solution with the concentration of 15% and sandalwood essential oil with the restoration effect, adding the longan shell lignin solution with the volume ratio of (the longan shell lignin solution: the sodium alginate solution: the sandalwood essential oil=6:8:1) into a beaker, dispersing for 5min by using an ultrasonic crusher, taking the upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity (10000 r/min,28 min), and then carrying out vacuum freeze-drying for 55h to obtain the longan shell lignin/sodium alginate/sandalwood essential oil composite sun-screening particles;
(5) Weighing 0.5 part of carbomer, adding the carbomer into 20 parts of deionized water, heating (80 ℃) and stirring until the carbomer is fully dissolved to obtain a carbomer solution;
(6) Weighing 0.8 part of allantoin, adding into 10 parts of deionized water, heating (90 ℃) and stirring until the allantoin is fully dissolved to obtain an allantoin solution (the humectant is dissolved in hot water and slightly dissolved in water, and the heating and the dissolution are required independently);
(7) Weighing 2 parts of sodium hyaluronate, adding into 30 parts of deionized water, stirring until the sodium hyaluronate is fully dissolved to obtain sodium hyaluronate solution (the humectant is easy to agglomerate when added into water, and can be completely dissolved only by long-time stirring and needs to be separately dissolved);
(8) Cooling carbomer solution to about 44 ℃, adding the prepared allantoin solution and sodium hyaluronate solution, 1 part of triethanolamine, 5 parts of longan shell lignin/sodium alginate/green flower cajeput essential oil composite sun-screening particles, 4 parts of longan shell lignin/sodium alginate/sandalwood essential oil composite sun-screening particles, 1 part of saffron extract, 1 part of marigold extract, 1 part of cucumber extract, 1 part of oregano essential oil and 22.7 parts of residual water, uniformly stirring by a magnetic stirrer, sterilizing by high static pressure for 8min (500 MPa), and bottling to obtain the sun-screening product with excellent sun-screening and repairing functions.
Comparative example 1:
This comparative example differs from example 1 only in that the longan shell lignin composite sun-screening particles are replaced with physical sun-screening agents or chemical sun-screening agents, wherein the physical sun-screening agents are any one of titanium dioxide, zinc oxide or mixtures thereof; the chemical sunscreen agent is any one or a mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane, and specifically contains 2 parts of titanium dioxide and3 parts of octocrylene and 4 parts of plant extract in the comparative example.
Comparative example 2:
This comparative example differs from example 2 only in that the longan shell lignin composite sunscreen particles are replaced with physical sunscreens or chemical sunscreens, wherein the physical sunscreens are any one of titanium dioxide, zinc oxide or mixtures thereof; the chemical sunscreen agent is any one or a mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane, and specifically contains 4 parts of zinc oxide +3 parts of ethylhexyl methoxycinnamate +3 parts of butyl methoxydibenzoylmethane +2 parts of plant extract in the comparative example.
Comparative example 3:
This comparative example differs from example 3 only in that the longan shell lignin composite sun-screening particles are replaced with physical sun-screening agents or chemical sun-screening agents, wherein the physical sun-screening agents are any one of titanium dioxide, zinc oxide or mixtures thereof; the chemical sunscreen agent is any one or a mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane, and specifically contains 3 parts of titanium dioxide +2 parts of homosalate +5 parts of plant extract in the comparative example.
Comparative example 4:
This comparative example differs from example 4 only in that the longan shell lignin composite sun-screening particles are replaced with physical sun-screening agents or chemical sun-screening agents, wherein the physical sun-screening agents are any one of titanium dioxide, zinc oxide or mixtures thereof; the chemical sunscreen agent is any one or a mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane, and specifically contains 3 parts of zinc oxide +4 parts of ethylhexyl methoxycinnamate +4 parts of plant extract in the comparative example.
Comparative example 5:
This comparative example differs from example 5 only in that the longan shell lignin composite sun-screening particles are replaced with physical sun-screening agents or chemical sun-screening agents, wherein the physical sun-screening agents are any one of titanium dioxide, zinc oxide or mixtures thereof; the chemical sunscreen agent is any one or a mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane, and specifically contains 3 parts of zinc oxide and 3 parts of octocrylene and 5 parts of plant extract in the comparative example.
Comparative example 6:
This comparative example differs from example 6 only in that the longan shell lignin composite sun-screening particles are replaced with physical sun-screening agents or chemical sun-screening agents, wherein the physical sun-screening agents are any one of titanium dioxide, zinc oxide or mixtures thereof; the chemical sunscreen agent is any one or a mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane, and specifically contains 2 parts of titanium dioxide, 2 parts of zinc oxide, 5 parts of homosalate and 3 parts of plant extract in the comparative example.
Advantageous effects
(1) Sensory evaluation
120 Human volunteers were selected, numbered 1-120, were females, and had the following conditions with different degrees on the facial skin: redness, itching, redness, tingling, dryness, desquamation, freckle, mottle, etc. The sun-protection skin care product prepared by the invention is used 2-3 times per day, wherein the product of the embodiment 1 is used for 1-20 times, the product of the embodiment 2 is used for 21-40 times, the product of the embodiment 3 is used for 41-60 times, the product of the embodiment 4 is used for 61-80 times, the product of the embodiment 5 is used for 81-100 times, and the product of the embodiment 6 is used for 101-120 times.
After the test is carried out for 1 month, the comprehensive condition of the facial skin of the subject is assessed, and the skin adverse reaction of the subject is found, and the facial skin is improved: redness, itching, redness and swelling and stinging skin are repaired; the skin becomes more white after sun-drying, tanning and darkness; freckle, mottle is relieved or disappeared; the skin is not dried and tensed, desquamation is avoided, and the skin becomes finer and smoother, glossy, smooth and plump, and the fine lines are relieved.
In this specification, each embodiment is mainly described in the specification as a difference from other embodiments, and the same similar parts between the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
(2) Moisturizing effect
A saturated calcium chloride solution was prepared and placed in a desiccator to control humidity to 31% and the indoor temperature was maintained at 25 ℃. A layer of medical breathable adhesive tape is stuck on a glass plate, the quality of the medical breathable adhesive tape is accurately weighed, then a sample of the sun-proof skin care product is uniformly smeared on the surface of the medical breathable adhesive tape, the sample is weighed and immediately placed into a dryer with saturated calcium chloride solution, after every 2, 4, 6, 8, 10 and 12 hours, the sample is weighed, the water holding capacity, namely the moisture retention rate, of the sample is calculated, and the moisture retention rate of each embodiment changing with time is shown in figure 1.
M t: the mass of the sample after t h is placed, g; m 0: mass of sample before placement, g.
As can be seen from fig. 1, the moisture retention rate of each example decreased with time. The moisture-preserving efficacy strength sequence is as follows: example 5> example 4> example 1> example 2> example 6> example 3, wherein the most moisturizing effect was given to example 5, followed by example 4 (both groups contain relatively more natural moisturizing agents), the more and less moisturizing effect of examples 1-6 was proportional to the moisturizing agent content, and the higher the moisturizing agent content, the better the moisturizing effect. The moisture retention rate of each example at 12h is more than 50%, which shows that each example has a strong moisture retention effect and can keep the skin moist and not dry for a long time.
(3) Whitening effect
Tyrosinase is an oxidase and is the rate-limiting enzyme that regulates melanin production. Because tyrosinase is a key enzyme for forming melanin, the better the inhibition effect on tyrosinase is, the more obvious the whitening effect is. The whitening effect of the sun-screening skin care product is evaluated by measuring the inhibition rate of the sun-screening skin care product on tyrosinase activity, and specific data are shown in figure 2.
The components in the formula have multiple effects, wherein the components with whitening effects are as follows: sodium alginate, green flower cajeput essential oil, uganli essential oil, olibanum essential oil, sandalwood essential oil, carbomer, triethanolamine, serine, sodium hyaluronate, allantoin, turmeric extract, cucumber extract, saffron extract, marigold extract, thyme essential oil, cinnamon essential oil, clove essential oil and the like.
As can be seen from fig. 2, the whitening effect is in the following order: example 2> example 5> example 6> example 4> example 3> example 1> Vc, wherein the strongest whitening effect is given to example 2, the next example 5, and the third example 6 (all three groups contain relatively more whitening components), the strength of the whitening effect of examples 1-6 is proportional to the content of the whitening component, and the higher the content of the whitening component, the higher the inhibition rate of tyrosinase activity, and the better the whitening effect. And the inhibition rate of each embodiment to tyrosinase activity is more than 51%, which is far higher than that of positive control Vc, thus indicating that each embodiment has stronger whitening effect.
(4) Antioxidant and antiaging effects
With the aging, the human body is aged, the skin is used as an immune organ with the largest area of the human body, the function is weakened, and various skin problems occur. Due to aging, the number of fibroblasts is reduced, the synthesis capacity of collagen and elastin is reduced, and the skin loses elasticity; the proteolytic enzyme expression in the dermis layer is increased, so that collagen and extracellular matrix are decomposed in an accelerated manner, and the skin is loosened to form wrinkles; the Langerhans cells in the skin are reduced in number, and the immune function and the barrier function of the skin are reduced; in addition, the skin is oxidized rapidly due to environmental factors such as illumination, pollution and the like, and color spots are formed. For the aging problem of skin, the skin aging can be delayed by improving antioxidant activity, promoting cell metabolism, regulating immunity, repairing collagen, repairing DNA injury, etc. The study shows that DPPH free radical and ABTS free radical have good correlation with antioxidant activity, the antioxidant activity of the invention is evaluated mainly through experiments of removing DPPH free radical and ABTS free radical and measuring total reducing power of the sun-proof skin care product, and specific data are shown in figures 3-5.
The components in the formula have multiple effects, wherein the components with the antioxidation effect are as follows: sodium alginate, green flower cajeput essential oil, uganli essential oil, pine red plum essential oil, geranium essential oil, olibanum essential oil, sandalwood essential oil, carbomer, triethanolamine, glycine, serine, sodium hyaluronate, allantoin, turmeric extract, cucumber extract, saffron extract, marigold extract, thyme essential oil, oregano essential oil, cinnamon essential oil, clove essential oil and the like.
As can be seen from fig. 3, the order of scavenging DPPH radicals in the examples is: example 5> example 4> example 2> example 1> example 6> example 3> vc, wherein the clearance of DPPH radicals is strongest for example 5, followed by example 4, (both groups contain more antioxidant components).
As can be seen from fig. 4, the sequence of the scavenging rate of ABTS radicals in the examples is: example 5> example 4> example 2> example 1> example 6> example 3> vc, wherein the clearance of ABTS radicals is strongest for example 5, followed by example 4, (both groups contain more antioxidant components).
As can be seen from fig. 5, the total reducing power of the example is in the order of: example 5> example 4> example 2> example 1> example 6> example 3> vc, wherein the total reducing power is strongest in example 5, followed by example 4, (both groups contain more antioxidant components).
As can be seen from fig. 3 to 5, the antioxidant effect of examples 1 to 6 is proportional to the content of the antioxidant ingredient, and the higher the content of the antioxidant ingredient, the higher the scavenging rate of DPPH free radical, the scavenging rate of ABTS free radical and the total reducing force, and the better the antioxidant effect. The scavenging rate of DPPH free radical is more than 55%, the scavenging rate of ABTS free radical is more than 61%, the total reducing force is more than 0.61, and the total reducing force is far higher than that of positive control Vc, so that the anti-oxidation effect of each embodiment is very strong.
Elastase, which is a proteolytic enzyme with extremely high selectivity and specificity, has a catalytic hydrolysis effect on carboxyl-containing polypeptide bonds of many amino acids such as glycine, leucine, alanine, valine, etc., and can decompose elastin in connective tissue proteins. The elastase inhibitor can effectively inhibit the activity of elastase, slow down the degradation speed of elastin, and play roles in delaying aging and reducing wrinkles. Therefore, the invention mainly evaluates the anti-aging efficacy of the sun-protection skin care product by measuring the inhibition rate of the sun-protection skin care product to the elastase activity, and the specific data are shown in figure 6.
The components in the formula have multiple effects, wherein the components with anti-aging effects are as follows: sodium alginate, green flower cajeput essential oil, uganli essential oil, pine red plum essential oil, geranium essential oil, olibanum essential oil, sandalwood essential oil, carbomer, triethanolamine, glycine, serine, sodium hyaluronate, allantoin, turmeric extract, cucumber extract, saffron extract, marigold extract, thyme essential oil, oregano essential oil, cinnamon essential oil, clove essential oil and the like.
As can be seen from FIG. 6, the order of inhibition of elastase activity in the examples is: example 5> example 4> example 2> example 1> example 6> example 3> vc, wherein the most inhibitory rate on elastase activity is example 5, followed by example 4 and third example 2, (all three groups contain more anti-aging ingredients). The anti-aging efficacy of examples 1-6 was proportional to the content of the anti-aging component therein, and the higher the content of the anti-aging component, the stronger the inhibition rate of elastase activity, and the better the anti-aging efficacy. The inhibition rate of the elastase activity of each example is more than 56%, which is far higher than that of the positive control Vc, thus indicating that each example has strong antioxidation effect.
(5) Sun protection effect
Cutting a medical breathable adhesive tape into strips of 1.0cm multiplied by 4.0cm, attaching the strips to one side surface of a 1.0cm absorption tank, accurately weighing the strips, uniformly smearing a sun-proof skin care product sample on the surface of the adhesive tape, accurately weighing the samples by a ten-thousandth balance, and preparing 3 parallel samples to be tested for each sample; preparing 2 blank absorption pools which are stuck with medical breathable adhesive tapes and are not smeared with samples according to the steps, and placing the blank absorption pools in a light path to be used as a baseline adjusting instrument zero point; the samples are all placed at room temperature (25 ℃) for 30min to be tested (the light transmittance value measured after the samples are smeared and placed for 30min to form a film is compared with a direct test value, the effect is obviously better than that of the direct test value, and the reproducibility is good). The above samples were measured for light transmittance at 280-400nm using an ultraviolet-visible spectrophotometer, and the average value was calculated for the measured values of the parallel samples, and the obtained results were evaluated as sunscreen effects of the corresponding samples, and specific results are shown in fig. 7.
The ultraviolet wavelength is between 280 nm and 400nm, the lower the light transmittance, the better the effect of preventing the long-wave ultraviolet UVA and the medium-wave ultraviolet UVB, and the higher the sun protection factor. As can be seen from fig. 7, the order of the light transmittance is: titanium dioxide > zinc oxide > titanium dioxide + zinc oxide > example 3> example 1> example 5> example 4> example 6> example 2, the intensity of the sun protection effect is inversely proportional to the light transmittance. Therefore, the sun-proof effect is as follows: example 2> example 6> example 4> example 5> example 1> example 3> titanium dioxide + zinc oxide > titanium dioxide, wherein the sun protection effect is the best example 2, the second example 6 and the third example 4, (all three groups contain more longan shell lignin composite sun protection particles). The intensity of the sun-screening effect of examples 1-6 is proportional to the content of the sun-screening component, and the higher the content of the longan shell lignin composite sun-screening particles is, the stronger the sun-screening effect is. The light transmittance of different sunscreens in the positive control group is far higher than that of the examples, namely the sunscreening effect of the positive control group is far lower than that of the examples, which indicates that the sunscreening skin care product prepared by the invention and added with the longan shell lignin composite sunscreening particles has much stronger sunscreening effect than that of the common sunscreens.
(6) Post-sun repair effect
The main skin hazards in the uv are UVA and UVB. UVA (315-400 nm) is long-wave ultraviolet, and can make skin black and skin aging; UVB (280-315 nm) is medium wave ultraviolet, so that skin is sunburned and reddish; when the human skin is irradiated by excessive UVA and UVB, cells can be promoted to release inflammatory mediators, so that dermal capillary distention congestion, subcutaneous tissue edema and inflammation are stimulated, and the skin can develop symptoms such as redness, itching, redness, stinging, dryness, desquamation, freckle, stain and the like. Under the strong irradiation of sunlight, even if sun-screening measures are taken, the damage of ultraviolet rays cannot be completely avoided, so that the repair of the skin after sun-screening is particularly important. Therefore, in addition to the sun-screening effect, the sun-screening skin care product is also indispensable for repairing the effect. Ultraviolet light causes damage to the skin and various biochemical inflammatory mediators are released, especially histamine. Histamine is produced from histidine by decarboxylase. Many tissues, especially mast cells of the skin, lung and intestinal mucosa, contain a large amount of histamine. Histamine is released when tissue is damaged or inflammatory and allergic reactions occur. Histamine has a strong vasomotor effect and can increase the permeability of the walls of capillaries and venules, and plasma leaks into tissues, resulting in redness and swelling of local tissues.
The invention mainly evaluates the after-sun repair efficacy by testing the mass concentration of Histidine (HIS), and the specific data are as follows: the healthy rats were divided into a blank group, a model group, an experimental group (examples 1 to 6), and a comparative group (comparative examples 1 to 6) at random, each of which was 60, 240 healthy rats were obtained. The backs of rats were dehaired 24 hours before the experiment, the dehaired areas were about 3.0cm×3.0cm, the remaining groups were molded on the backs of rats (dermatitis-like skin lesions were induced) with 2, 4-Dinitrochlorobenzene (DNCB) except for the blank group, and irradiated with ultraviolet rays for 12 hours, after the molding was successful (symptoms such as redness, dryness, desquamation, stains, etc. on the skin), 1g of the samples to be tested prepared in examples 1 to 6 were taken as the experiment groups, 1g of the samples to be tested prepared in comparative examples 1 to 6 were taken as the comparison groups, the dehaired areas of the backs of rats were smeared at about 2.5cm×2.5cm, the blank group and the model group were smeared with deionized water, and the skin conditions were scored according to table 1 after the molding was successful, and the mass concentration of Histidine (HIS) in the serum of each group was detected by observation of days of observation of 1.
Table 1 skin condition scoring table
TABLE 2 after-sun repair effect
Note that: comparison to model set: * P < 0.01, P < 0.05.
As can be seen from table 2, the samples to be tested prepared in examples 1 to 6 were smeared on the damaged skin 0h after the successful molding, which can significantly reduce the mass concentration of HIS, reduce inflammatory reaction, and improve symptoms such as redness, dryness, desquamation, color spots, etc. of the damaged skin; the test samples prepared in comparative examples 1 to 6 have significantly lower effects on improving inflammation and skin conditions than the test samples prepared in examples 1 to 6. The sample to be tested prepared in the examples 1-6 is smeared on damaged skin 8 hours after successful molding, the HIS mass concentration can be obviously reduced, inflammatory reaction is reduced, and symptoms such as redness, dryness, desquamation, color spots and the like of the damaged skin are improved; the samples to be tested prepared in comparative examples 1 to 6 had an improving effect on inflammation and skin conditions, but the improving effect was not as good as the samples to be tested prepared in examples 1 to 6.
The longan shell lignin composite sun-screening particles in examples 1-6 contain natural plant essential oil with sun-screening and repairing effects, and each example contains natural plant extract with repairing effects, and the active ingredients play a great role in repairing skin after sun-screening. Wherein, example 1 contains 5 parts of longan shell lignin composite sun-screening particles and 4 parts of plant extracts; example 2 contains 10 parts longan shell lignin composite sun-screening particles +2 parts plant extract; example 3 contains 5 parts longan shell lignin composite sun-screening particles +5 parts plant extract; example 4 contains 7 parts longan shell lignin composite sun-screening particles +4 parts plant extract; example 5 contains 6 parts longan shell lignin composite sun-screening particles +5 parts plant extract; example 6 contains 9 parts longan shell lignin composite sun protection particles +3 parts plant extract. As can be seen from table 2, the experimental group and the model group have significant differences, but can both alleviate the related symptoms, have significant after-sun restoration effects, and the restoration effects are also significantly reduced along with the reduction of the total content of the longan shell lignin composite sun-screening particles and the plant extracts.
Comparative examples 1-6 are the control groups of examples 1-6 except that the longan shell lignin composite sun-screening particles are not added, other components are the same, and the parts of the longan shell lignin composite sun-screening particles are complemented by a physical sun-screening agent or a chemical sun-screening agent, wherein the physical sun-screening agent is any one of titanium dioxide and zinc oxide or a mixture thereof; the chemical sun-screening agent is any one or mixture of octocrylene, homosalate, ethylhexyl methoxycinnamate and butyl methoxy dibenzoyl methane. Comparative examples 1 to 6 each contain a natural plant extract having a restoration effect. Wherein comparative example 1 contains 2 parts of titanium dioxide +3 parts of octocrylene +4 parts of plant extract; comparative example 2 contains 4 parts zinc oxide +3 parts ethylhexyl methoxycinnamate +3 parts butyl methoxydibenzoylmethane +2 parts plant extract; comparative example 3 contains 3 parts titanium dioxide +2 parts homosalate +5 parts plant extract; comparative example 4 contains 3 parts zinc oxide +4 parts ethylhexyl methoxycinnamate +4 parts plant extract; comparative example 5 contains 3 parts zinc oxide +3 parts octocrylene +5 parts plant extract; comparative example 6 contains 2 parts titanium dioxide +2 parts zinc oxide +5 parts homosalate +3 parts plant extract. As can be seen from table 2, the comparative group also had some after-sun restoration efficacy, which decreased with decreasing plant extract content.
The above-mentioned embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present invention according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A sun-proof skin care product is characterized by comprising the following components: longan shell lignin composite sun-screening particles, a thickening agent, a neutralizing agent, a natural humectant, a natural plant extract, a natural preservative and deionized water.
2. The sun care skin care product of claim 1, wherein: 5-10% of longan shell lignin composite sun-screening particles, 0.5-1% of thickening agent, 1-2% of neutralizing agent, 2.6-7% of natural humectant, 2-5% of natural plant extract, 1-2% of natural preservative and the balance of deionized water.
3. The preparation method of the sun-proof skin care product is characterized by comprising the following steps of:
weighing choline chloride and lactic acid according to the molar mass ratio, wherein the choline chloride is as follows: lactic acid=1:5-1:10, placing into a beaker, placing into an oil bath, heating at 80-100 ℃, stirring and reacting for 2-6 hours, fully reacting to form transparent uniform liquid, obtaining choline chloride/lactic acid eutectic solvent, taking out, cooling, sealing and preserving for later use;
Cleaning longan shell, oven drying at 80-90deg.C for 12-24 hr, pulverizing with pulverizer, sieving with 100 mesh sieve, packaging the obtained longan shell powder into sealed bag, and placing in dryer; weighing longan shell powder, and mixing the longan shell powder with the following components: fully mixing the DES=1:10-1:30 feed liquid ratio with the DES, placing the mixture in an oil bath kettle, heating at 90-150 ℃, stirring and reacting for 6-12h, cooling and centrifuging; pouring the supernatant into a beaker, pouring residues into a Buchner funnel, filtering and washing with absolute ethyl alcohol for 3-5 times, merging filtrate obtained by filtering, evaporating ethanol by a rotary evaporator to obtain concentrated solution, merging the supernatant and the concentrated solution, slowly adding into 4-6L deionized water, stirring for 15-25min, standing for 12h, centrifuging for 20-30min at 9000-11000r/min, and separating solid precipitate; drying the obtained solid precipitate in an oven at 80-90 ℃ for 24 hours to obtain black solid which is longan shell lignin;
Weighing longan shell lignin, dispersing in deionized water, slowly dropwise adding NaOH solution with the concentration of 10% -20% while stirring, regulating the pH value of a solution system to 9.2-9.4, and then continuously stirring for 10-15min to uniformly disperse the longan shell lignin in the deionized water to prepare a longan shell lignin solution; dispersing sodium alginate in deionized water, slowly dropwise adding NaOH solution with the concentration of 10% -20% while stirring, adjusting the pH value of a solution system to 8.2-8.5, and then continuously stirring for 10-15min to uniformly disperse the sodium alginate in the deionized water to prepare a sodium alginate solution;
Weighing the prepared longan shell lignin solution, sodium alginate solution and natural plant essential oil with sun protection and restoration effects according to the longan shell lignin solution: sodium alginate solution: adding natural plant essential oil=5:5:1-10:10:1 into a beaker, dispersing for 5-10min by using an ultrasonic crusher, taking upper white emulsion, washing with deionized water, centrifuging for 3 times to remove alkalinity, centrifuging for 20-30min with the centrifugal parameter of 9000-11000r/min, and then performing vacuum freeze drying for 48-72h to obtain longan shell lignin composite sun-screening particles;
Weighing a thickener, adding the thickener into deionized water, heating and stirring at 80-90 ℃ until the thickener is fully dissolved, and obtaining a thickener solution;
Weighing allantoin, adding into deionized water, heating and stirring at 80-90deg.C until the allantoin is fully dissolved to obtain allantoin solution;
Weighing sodium hyaluronate, adding the sodium hyaluronate into deionized water, and stirring until the sodium hyaluronate is fully dissolved to obtain sodium hyaluronate solution;
cooling the thickener solution to about 40-50deg.C, adding neutralizer, longan shell lignin composite sun-screening particles, natural humectant, natural plant extract, natural antiseptic, and water, stirring with magnetic stirrer, sterilizing at 400-600MPa under high static pressure for 5-10min, and bottling to obtain sun-screening skin care product with excellent sun-screening and repairing effects.
4. A method of preparing a sunscreen skin care product according to claim 3, wherein: the natural plant essential oil is one or more of green flower cajeput essential oil, uganli essential oil, pine-red plum essential oil, geranium essential oil, olibanum essential oil and sandalwood essential oil.
5. A method of preparing a sunscreen skin care product according to claim 3, wherein: the thickener is carbomer.
6. A method of preparing a sunscreen skin care product according to claim 3, wherein: the neutralizing agent is triethanolamine.
7. The method for preparing the sun-proof skin care product according to claim 1, wherein the method comprises the following steps: the natural humectant is one or more of glycine, serine, sodium hyaluronate and allantoin.
8. A method of preparing a sunscreen skin care product according to claim 3, wherein: the natural plant extract is one or more of Curcuma rhizome extract, cucumber extract, stigma croci Sativi extract, and flos Tagetis Erectae extract.
9. A method of preparing a sunscreen skin care product according to claim 3, wherein: the natural preservative is any one or a mixture of more of thyme essential oil, oregano essential oil, cinnamon essential oil and clove essential oil.
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