CN110812256A

CN110812256A - Skin care composition containing borage seed extract

Info

Publication number: CN110812256A
Application number: CN201910957265.3A
Authority: CN
Inventors: 舒均中; 张娟; 冯春燕; 陈然; 徐文秀
Original assignee: Opal Cosmetics Huizhou Co Ltd
Current assignee: Opal Cosmetics Huizhou Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-02-21

Abstract

The invention belongs to the field of daily chemicals. A skin care composition containing borage seed extract comprises the following components in percentage by weight: borage seed extract 0.1-10%, humectant 0.1-20%, emollient 0.01-30%, thickener 0.1-10%, emulsifier 0.1-8%, soothing agent 0.1-3%, functional additive 0.01-10%, and deionized water to make up to 100%. The invention has the advantages of liquid crystal structure, good stability, mildness, no stimulation and rich skin feeling; the borage seed extract with high activity is matched with other components, so that the skin dryness can be effectively improved, the cell water loss is prevented, and the water is supplemented and the moisture is kept; whitening and brightening the skin, lightening melanin, increasing the whitening feeling of the skin and improving the glossiness of the skin; repairing damaged skin cells, improving self-repairing capability of cells, relieving and tranquilizing, diminishing inflammation and relieving allergy; tightening and smoothing, and improving the elasticity and tightness of skin. The skin care composition is smooth, tender and moist, and is whitening and firming.

Description

Skin care composition containing borage seed extract

Technical Field

The invention belongs to the field of daily chemicals, and relates to a skin care composition containing borage seed extract.

Background

The skin is exposed to ultraviolet rays for a long time, so that the skin is easy to lack of water, the aging of the skin of a human body is accelerated, the melanin is deposited, meanwhile, the skin is easy to cornify and has reduced elasticity along with the increasing environmental pollution, the skin becomes loose, the wrinkles are deepened, the requirements of people on skin care products do not stay on the common moisturizing layer, and the efficacy performance of the skin care products is paid more attention.

The existing skin care products can not have the effects of moisturizing, whitening, lightening spots, tightening and brightening the skin and the like on the basis of safety and no stimulation, and the effect is not obvious after the skin care products are used.

Disclosure of Invention

The invention aims to provide a skin care composition containing borage seed extract. The invention has the advantages of liquid crystal structure, good stability, mildness, no stimulation and rich skin feeling; the borage seed extract with high activity is matched with other components, so that the skin dryness can be effectively improved, the cell water loss is prevented, and the water is supplemented and the moisture is kept; whitening and brightening the skin, lightening melanin, increasing the whitening feeling of the skin and improving the glossiness of the skin; repairing damaged skin cells, improving self-repairing capability of cells, relieving and tranquilizing, diminishing inflammation and relieving allergy; tightening and smoothing, and improving the elasticity and tightness of skin. The skin care composition is smooth, tender and moist, and is whitening and firming.

The technical scheme of the invention is as follows:

a skin care composition containing borage seed extract comprises the following components in percentage by weight: borage seed extract 0.1-10%, humectant 0.1-20%, emollient 0.01-30%, thickener 0.1-10%, emulsifier 0.1-8%, soothing agent 0.1-3%, functional additive 0.01-10%, and deionized water to make up to 100%.

Further, the paint also comprises the following components in percentage by weight: 0.001-0.01% of preservative and 0.001-0.01% of essence.

Further, the preparation method of the borage seed extract comprises the following steps:

s1, cleaning and drying borage seeds, and cutting and crushing at a high speed to obtain borage seed powder;

s2, placing the borage seed powder into subcritical extraction equipment, vacuumizing, adding a solvent butane, heating to 40-45 ℃, extracting for 30-40min for 3-4 times, and obtaining an extract liquid;

s3, introducing the extract into a separation tank, decompressing to separate the solvent from the borage seed oil, and filtering to obtain filtrate;

and S4, flowing the filtrate to a decoloring device through an external circulation device, preparing diatomite and active carbon in the decoloring device, and circularly decoloring for 30-40min to obtain the borage seed extract, wherein the extraction rate of the borage seed is 30-35%.

Further, the humectant is one or more of glycerin, 1, 3-propylene glycol, glycerol polyether-26, betaine, xylitol humectant, lodestone and sodium hyaluronate. Preferably, glycerin, water-locking magnetite and sodium hyaluronate are matched for use.

Furthermore, the mass part ratio of the macromolecular sodium hyaluronate to the micromolecular sodium hyaluronate in the sodium hyaluronate is 3-5: 1-3; wherein, the molecular weight of the macromolecular sodium hyaluronate is 1800000-3000000, and the molecular weight of the micromolecular sodium hyaluronate is 5000-10000. According to the invention, the sodium hyaluronate with large and small molecules is compounded for use, so that the skin water storage can be reconstructed and repaired, and meanwhile, the sodium hyaluronate acts on the horny layer and the epidermal layer of the skin to strengthen the resistance function of the horny layer and the epidermal layer, and thus, the dual moisturizing effect is achieved. The large sodium hyaluronate and the small sodium hyaluronate are compounded for use, the large sodium hyaluronate has good film forming property and can lock surface moisture, but the permeability effect is obvious, a layer of breathable film can be formed on the surface of skin, so that the skin is smooth and moist, the invasion of external bacteria, dust and ultraviolet rays can be blocked, and the skin is protected from being damaged. The micromolecule sodium hyaluronate has obvious osmosis, can enter the dermis layer, improves the water storage capacity of the dermis, can slightly expand capillary vessels, has the effects of increasing the blood circulation of the skin, improving the middle metabolism, promoting the nutrient absorption of the skin, increasing the elasticity of the skin and delaying the aging of the skin.

Further, the emollient is one or more of polydimethylsiloxane, C12-15 alcohol benzoate, jojoba oil, synthetic squalane, isononyl isononanoate, cetyl ethyl hexanoate, white chinlon oil, petrolatum and shea butter. The preferred combination of polydimethylsiloxane, shea butter and white chinlon oil. The preferred meadowfoam seed oil has rich skin feeling, contains more than 98% of long-chain fatty acid with antioxidant effect, has stable structural property, and can prolong the storage period of easily oxidized vegetable oil and unstable substances.

Further, the thickening agent is one or more of carbomer, cetyl alcohol, cetostearyl alcohol, behenyl alcohol, hydroxyethyl cellulose, xanthan gum, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, ammonium acryloyldimethyl taurate/VP copolymer, polyacrylamide/C13-14 isoparaffin/lauryl polyoxyethylene (7) ether and sodium polyacrylate. Preferred are xanthan gum, cetyl alcohol and ammonium acryloyldimethyl taurate/VP copolymers used in combination.

Further, the emulsifier is one or more of glyceryl stearate, PEG-100 stearate, olive oil cetyl ester, sorbitan olive oleate, self-emulsifying monoglyceride, hydrogenated lecithin, cetyl glucoside, ceteareth-20, potassium cetyl phosphate, cetyl alcohol/glyceryl stearate/PEG-75 stearate & ceteth-20/steareth-20. Preferably cetyl alcohol/glyceryl stearate/PEG-75 stearate/ceteth-20/steareth-20 and emulsified monoglyceride. In the system, the liquid crystal structure can be generated as long as a dense and ordered viscoelastic interfacial film can be formed in the oil/water phase. The emulsifier selected by the invention is a nonionic emulsifier, has small electrostatic repulsion effect with a surfactant, can form a compact and ordered interface, and helps a system to form a liquid crystal structure.

Further, the functional auxiliary agent is one or more of coenzyme Q10, vitamin VA, D-panthenol, tocopheryl acetate, rosehip oil, phytosterol, β -glucan, collagen peptide, acetyl hexapeptide-8, rice fermentation product filtrate and glycyrrhiza glabra root extract, preferably β -glucan and coenzyme Q10.

Further, the soothing agent is one or more of hamamelis water, dipotassium glycyrrhizinate, allantoin, bisabolol, ginger root extract, aloe extract and chamomile extract. Preferably, allantoin and bisabolol are used in combination.

The invention has the following beneficial effects:

the high-activity borage seed extract selected by the invention is rich in gamma-linolenic acid and molecular compounds. The molecular compound as the main component of the cell matrix can ensure that cells are tightly combined, and simultaneously rebuild the natural water-locking barrier of the skin, help the skin to resist external invasion, accelerate cell metabolism and promote the generation of collagen. The gamma-linolenic acid can repair damaged cells, improve the self-repair capability of the cells, and together with the molecular compound, construct a skin protective barrier, tighten and lighten the skin.

The borage seed extract is prepared by a subcritical extraction process, and is extracted at low temperature, reasonable extraction time, material-liquid ratio and extraction frequency are matched, the equipment is simple, the extraction cost is low, the extraction rate is high, the quality of the extracted oil is high, and the effective active ingredients of the borage seed are preserved.

The emulsifier selected by the invention is matched with the emollient and other components, so that the composition has a liquid crystal structure, the liquid crystal structure increases the viscosity of the composition and the solubility of each component while the composition has good skin feel, the stability of the composition is improved, and the active ingredients such as the borage seed extract and the like are added more easily. On the basis, the effects of all components can be better exerted, and the high-activity borage seed extract is matched with a humectant and an emollient, so that the skin moisture loss can be effectively prevented, deep water replenishing is realized, long-acting moisturizing is realized, and the antioxidation and the anti-aging are realized; the skin care cream is matched with functional additives and allergy-relieving agents, has the effects of resisting bacteria, diminishing inflammation, moderating and relieving allergy, improving the skin repair capability, relieving the skin keratinization, improving the skin luster and enhancing the skin elasticity.

Detailed Description

The present invention will be described in detail with reference to examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.

One example

The following table is a table of the formulations (units,%) of 3 examples of skin care compositions containing borage seed extract according to the present invention.

In 3 embodiments of the borage seed extract-containing skin care composition of the present invention, the borage seed extract is prepared by a method comprising the steps of:

s2, placing the borage seed powder into subcritical extraction equipment, vacuumizing, adding a solvent, heating to 45 ℃, extracting for 40min, and extracting for 3 times to obtain an extract liquid;

and S4, flowing the filtrate to a decoloring device through an external circulation device, preparing diatomite and active carbon in the decoloring device, and circularly decoloring for 30min to obtain the borage seed extract, wherein the borage seed extraction rate is 35%.

In 3 embodiments of the borage seed extract-containing skin care composition of the present invention, the preparation method comprises the following steps:

s1, adding an emollient, an emulsifier and a soothing agent into an oil phase pot, stirring and heating to 80-85 ℃ to completely dissolve the emollient, the emulsifier and the soothing agent;

s2, adding the humectant and the thickener into an emulsifying cylinder, stirring and heating to 80-85 ℃ to completely dissolve the humectant and the thickener;

s3, pumping the materials in the oil phase pot into an emulsifying cylinder, stirring, homogenizing, defoaming in vacuum, and keeping the emulsifying temperature at 80-85 ℃;

s4, cooling to 43-48 ℃, adding deionized water, the borage seed extract and the functional auxiliary agent, uniformly stirring, and cooling to 35-38 ℃ to obtain the skin care composition containing the borage seed extract.

Comparative example II

The following table is a table of 3 comparative formulations (units,%) of the borage seed extract-containing skin care compositions of the present invention:

in 3 comparative examples of the skin care compositions of the present invention containing borage seed extract, the borage seed extract used was a common commercially available product.

The preparation method of 3 comparative examples of the skin care composition containing the borage seed extract comprises the following steps:

Third, efficacy testing

1. And (3) testing items: moisture content, moisture loss, gloss, skin elasticity, skin smoothness.

2. Testing an instrument: CK MPA580 skin tester, Corneometer moisture test probe, Tewameter moisture loss probe, Glossimer gloss test probe, Cutomer skin elasticity test probe, Visio face 1000D facial image analyzer.

3. A subject: and screening qualified volunteers, and selecting faces as test parts. According to the Chardon grouping method, the ITA degree of the base skin brightness is between II and IV grades. Examples 1 to 3, comparative examples 1 to 3, and comparative examples 4 to 5 (a commercially available product having effects of moisturizing and whitening, etc.) were performed on 30 subjects per group.

4. And (3) testing period: the test period was 28 days, and the respective indices were measured using the instrument 1 day before using the sample and 7 th, 14 th and 28 th days after using the sample. In post-use testing, volunteers did not use the sample on the day of testing, and required re-use of the sample after testing was completed.

5. Sample use: the 1 week prior to testing was the elution period during which subjects used basal moisturizing water and moisturizing milk without any actives. Other skin care products cannot be used during testing. The subjects used the samples for 28 consecutive days, and applied the samples to the face every morning and evening before sleeping, at a dose of about 0.25 g.

6. The testing process comprises the following steps: data acquisition before use: before testing, the testee should uniformly clean the face with clear water, and sit still for 20 minutes in a constant temperature and humidity room with the temperature of 24 +/-1 ℃ and the humidity of 55 +/-5% RH after wiping off the water. CK MPA580 skin tester, Corneometer moisture test probe, Tewameter moisture loss probe, Glossimer gloss test probe, Cutomer skin elasticity test probe, Visio face 1000D facial image analyzer in the test site for the acquisition of data before use. And (4) carrying out cycle test on each test point of each test part for 4 times, and taking an average value as the data before use of the corresponding part. The skin smoothness is tested by adopting a Visio face 1000D facial image analyzer, smoothness data is comprehensively obtained, and the higher the data value is, the worse the skin smoothness is.

7. Data collection on days 7, 14 and 28 after use, and the steps are the same as those of data collection before use.

8. Test results

Item	Average value of water content increase rate of horny layer	Average value of water loss increase rate	Average value of skin elasticity increase	Skin smoothness	Average value of skin glossiness increase
						Example 1	54.32	2.10	14.38	0.2	12.5
Example 2	44.20	3.78	11.50	0.53	9.34
						Example 3	48.35	3.54	12.10	0.35	10.6
Comparative example 1	38.42	5.63	10.84	0.60	8.73
						Comparative example 2	40.50	4.52	10.5	0.59	7.80
Comparative example 3	38.5	5.60	8.01	0.86	6.6
						Comparative example 4	40.41	4.60	8.12	0.88	6.8
Comparative example 5	36.10	6.00	9.23	0.85	5.90

As can be seen from the test results, the skin care compositions containing borage seed extract of the examples had the effects of improving the whiteness and brightness of the skin, as well as increasing the moisture content of the skin, restoring the elasticity of the skin, and improving the glossiness and smoothness of the skin.

According to the efficacy test results, the liquid crystal skin care product has a liquid crystal structure, is good in stability, mild, free of stimulation and rich in skin feeling; the borage seed extract with high activity is matched with other components, so that the skin dryness can be effectively improved, the cell water loss is prevented, and the water is supplemented and the moisture is kept; whitening and brightening the skin, lightening melanin, increasing the whitening feeling of the skin and improving the glossiness of the skin; repairing damaged skin cells, improving self-repairing capability of cells, relieving and tranquilizing, diminishing inflammation and relieving allergy; tightening and smoothing, and improving the elasticity and tightness of skin. The skin care composition is smooth, tender and moist, and is whitening and firming.

Claims

1. A skin care composition containing borage seed extract is characterized by comprising the following components in percentage by weight: borage seed extract 0.1-10%, humectant 0.1-20%, emollient 0.01-30%, thickener 0.1-10%, emulsifier 0.1-8%, soothing agent 0.1-3%, functional additive 0.01-10%, and deionized water to make up to 100%.

2. The borage seed extract-containing skin care composition according to claim 1, further comprising the following components in weight percent: 0.001-0.01% of preservative and 0.001-0.01% of essence.

3. A skin care composition containing borage seed extract according to claim 1, characterized in that the preparation method of the borage seed extract comprises the following steps:

4. The borage seed extract-containing skin care composition according to claim 1, wherein the humectant is one or more of glycerin, 1, 3-propanediol, glyceryl polyether-26, betaine, xylitol humectant, lodestone, and sodium hyaluronate.

5. The borage seed extract-containing skin care composition according to claim 4, wherein the sodium hyaluronate comprises macromolecule sodium hyaluronate and micromolecule sodium hyaluronate in a mass part ratio of 3-5: 1-3; wherein, the molecular weight of the macromolecular sodium hyaluronate is 1800000-3000000, and the molecular weight of the micromolecular sodium hyaluronate is 5000-10000.

6. A skin care composition containing borage seed extract according to claim 1, wherein said emollient is one or more of dimethicone, C12-15 alcohol benzoate, jojoba oil, synthetic squalane, isononyl isononanoate, cetyl ethylhexanoate, meadowfoam seed oil, petrolatum, shea butter.

7. A skin care composition containing borage seed extract according to claim 1, characterized in that said thickener is one or more of carbomer, cetyl alcohol, cetearyl alcohol, behenyl alcohol, hydroxyethyl cellulose, xanthan gum, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, ammonium acryloyldimethyl taurate/VP copolymer, polyacrylamide/C13-14 isoparaffin/laurylpolyoxyethylene (7) ether, sodium polyacrylate.

8. A skin care composition containing borage seed extract according to claim 1, characterized in that the emulsifier is one or more of glyceryl stearate, PEG-100 stearate, olive oil cetyl ester, sorbitan olive oleate, self emulsifying monoglyceride, hydrogenated lecithin, cetyl glucoside, ceteareth-20, potassium cetyl phosphate, cetyl/glyceryl stearate/PEG-75 stearate/ceteareth-20/steareth-20.

9. The borage seed extract-containing skin care composition according to claim 1, wherein the functional auxiliary agent is one or more of coenzyme Q10, vitamin VA, D-panthenol, tocopherol acetate, rosehip oil, phytosterol, β -glucan, collagen peptide, acetyl hexapeptide-8, rice fermentation product filtrate, and glycyrrhiza glabra root extract.

10. A skin care composition containing borage seed extract according to claim 1, wherein the soothing agent is one or more of hamamelis water, dipotassium glycyrrhizinate, allantoin, bisabolol, ginger root extract, aloe extract, and chamomile extract.