CN111728888A - Sunless tanning gel and preparation method thereof - Google Patents
Sunless tanning gel and preparation method thereof Download PDFInfo
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- CN111728888A CN111728888A CN202010732472.1A CN202010732472A CN111728888A CN 111728888 A CN111728888 A CN 111728888A CN 202010732472 A CN202010732472 A CN 202010732472A CN 111728888 A CN111728888 A CN 111728888A
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- gel
- sunless tanning
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- dihydroxyacetone
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- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000001879 gelation Methods 0.000 title description 2
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229940120503 dihydroxyacetone Drugs 0.000 claims abstract description 26
- 239000002562 thickening agent Substances 0.000 claims abstract description 18
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 6
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 23
- 239000003755 preservative agent Substances 0.000 claims description 14
- 230000002335 preservative effect Effects 0.000 claims description 14
- 239000002738 chelating agent Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 7
- 239000003906 humectant Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 150000005846 sugar alcohols Polymers 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 3
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical group [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 229960005323 phenoxyethanol Drugs 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 239000002537 cosmetic Substances 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000000499 gel Substances 0.000 description 38
- 238000011156 evaluation Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 210000003491 skin Anatomy 0.000 description 6
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 150000004492 retinoid derivatives Chemical class 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- QFOHBWFCKVYLES-UHFFFAOYSA-N Butylparaben Chemical compound CCCCOC(=O)C1=CC=C(O)C=C1 QFOHBWFCKVYLES-UHFFFAOYSA-N 0.000 description 2
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 2
- MLSJBGYKDYSOAE-DCWMUDTNSA-N L-Ascorbic acid-2-glucoside Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O[C@@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)=C1O MLSJBGYKDYSOAE-DCWMUDTNSA-N 0.000 description 2
- 229940067599 ascorbyl glucoside Drugs 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 description 2
- 229960001617 ethyl hydroxybenzoate Drugs 0.000 description 2
- 235000010228 ethyl p-hydroxybenzoate Nutrition 0.000 description 2
- 239000004403 ethyl p-hydroxybenzoate Substances 0.000 description 2
- NUVBSKCKDOMJSU-UHFFFAOYSA-N ethylparaben Chemical compound CCOC(=O)C1=CC=C(O)C=C1 NUVBSKCKDOMJSU-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 2
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 description 2
- 229960002216 methylparaben Drugs 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 2
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000036561 sun exposure Effects 0.000 description 2
- NCZPCONIKBICGS-UHFFFAOYSA-N 3-(2-ethylhexoxy)propane-1,2-diol Chemical compound CCCCC(CC)COCC(O)CO NCZPCONIKBICGS-UHFFFAOYSA-N 0.000 description 1
- MOZDKDIOPSPTBH-UHFFFAOYSA-N Benzyl parahydroxybenzoate Chemical compound C1=CC(O)=CC=C1C(=O)OCC1=CC=CC=C1 MOZDKDIOPSPTBH-UHFFFAOYSA-N 0.000 description 1
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- XPJVKCRENWUEJH-UHFFFAOYSA-N Isobutylparaben Chemical compound CC(C)COC(=O)C1=CC=C(O)C=C1 XPJVKCRENWUEJH-UHFFFAOYSA-N 0.000 description 1
- 206010040829 Skin discolouration Diseases 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940034794 benzylparaben Drugs 0.000 description 1
- 229940067596 butylparaben Drugs 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 229940100524 ethylhexylglycerin Drugs 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 230000036074 healthy skin Effects 0.000 description 1
- 150000005204 hydroxybenzenes Chemical class 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037311 normal skin Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004405 propyl p-hydroxybenzoate Substances 0.000 description 1
- 229960003415 propylparaben Drugs 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/35—Ketones, e.g. benzophenone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/042—Gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/04—Preparations for care of the skin for chemically tanning the skin
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Emergency Medicine (AREA)
- Dermatology (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Cosmetics (AREA)
Abstract
The invention belongs to the technical field of cosmetics, and particularly relates to a sunless tanning gel and a preparation method thereof. The sunless tanning gel is prepared by taking dihydroxyacetone as a main functional component and hydroxyethyl cellulose as a thickening agent in combination with other components, has better stability, can keep a crystal clear appearance after being placed for a long time at normal temperature, has good spreadability and more obvious tanning effect, and can fully meet the aesthetic requirements of consumers; and the preparation method is simple and suitable for large-scale industrial production.
Description
Technical Field
The invention belongs to the technical field of cosmetics. More particularly, it relates to a sunless tanning gel and a method for preparing the same.
Background
With the increasing abundance of people's life, healthy skin such as bronze, wheat color and the like is gradually accepted by the public aesthetic sense. In order to avoid the risks of sunburn, carcinogenesis and the like caused by sun exposure in the tanning process, the sunless tanning is produced without sun exposure and rapid tanning, and the effect is reversible, so that the sunless tanning can obtain the skin color effect similar to tanning under the condition that the skin is not irradiated by ultraviolet rays, and the aesthetic requirement of a consumer is met. The principle of the sunless tanning is mainly that compounds containing aldehyde groups or ketone groups and amino compounds in cuticles of epidermis are subjected to Maillard reaction to generate brown compounds to achieve the effect of the tanning.
Most of the effective components of the existing tanning products are Dihydroxyacetone (DHA), for example, Chinese patent application CN101721322A discloses a self-tanning composition which mainly comprises dihydroxyacetone, retinoid, ascorbyl glucoside and the like, the tanning effect can be prolonged by utilizing the retinoid, and the dihydroxyacetone and the retinoid can reach compatibility and balance by adding the ascorbyl glucoside. However, in practical application, the stability of the main functional component dihydroxyacetone is poor, and the gel prepared by mixing the dihydroxyacetone with the components such as the traditional thickening agent and the like can gradually turn yellow after being placed for a period of time, so that the sense and the use experience of the product are influenced.
Disclosure of Invention
The invention aims to solve the technical problems that the existing tanning gel containing dihydroxyacetone has poor stability and is easy to yellow after being placed for a long time to influence the sense, and provides a sunless tanning gel which takes dihydroxyacetone as a main functional component and has better stability.
The invention aims to provide a sunless tanning gel.
The invention also aims to provide a preparation method of the sunless tanning gel.
The above purpose of the invention is realized by the following technical scheme:
a sunless tanning gel comprises the following components in parts by weight: 3-17 parts of dihydroxyacetone, 1-3 parts of thickening agent, 10-18 parts of ethanol, 0.2-0.5 part of preservative, 1-3 parts of film-forming agent, 0.02-0.2 part of chelating agent and water to make up to 100 parts;
wherein the thickening agent is hydroxyethyl cellulose.
In the invention, dihydroxyacetone is used as a main tanning functional component, but in use, the stability is poor after the dihydroxyacetone is prepared into gel, and the phenomenon that the gel turns yellow after being placed for a period of time at normal temperature is discovered, so that the appearance and the practical experience of the product are influenced. The inventor finds out through a great deal of creative work that by using hydroxyethyl cellulose as a thickening agent, on one hand, the solution can be thickened to form a gel form, on the other hand, the stability of dihydroxyacetone can be improved, and the gel can keep the original color and form in the long-term storage process, is glittering and translucent and has a more remarkable blackening effect.
Preferably, the composition comprises the following components in parts by weight: 3-10 parts of dihydroxyacetone, 1-2 parts of thickening agent, 15-18 parts of ethanol, 0.3-0.5 part of preservative, 1-2 parts of film-forming agent, 0.1-0.2 part of chelating agent and water to make up to 100 parts.
More preferably, the composition comprises the following components in parts by weight: 5 parts of dihydroxyacetone, 2 parts of thickening agent, 18 parts of ethanol, 0.5 part of preservative, 1.2 parts of film-forming agent, 0.1 part of chelating agent and water to make up to 100 parts.
Further, the preservative is selected from one or more of phenoxyethanol and hydroxybenzene esters.
Still further, the parabens include methylparaben, ethylparaben, propylparaben, butylparaben, isobutylparaben, and benzylparaben.
Further, the film forming agent is polyvinylpyrrolidone. Preferably, the polyvinylpyrrolidone is polyvinylpyrrolidone k 30.
Further, the chelating agent is disodium ethylene diamine tetraacetate or tetrasodium ethylene diamine tetraacetate.
Further, the sunless tanning gel further comprises a polyalcohol humectant.
Preferably, the polyhydric alcohol humectant comprises propylene glycol, glycerin.
In addition, the invention also provides a preparation method of the sunless tanning gel, which comprises the following steps:
adding a thickening agent, a chelating agent and a film forming agent into water, stirring at 50-60 ℃ until the thickening agent, the chelating agent and the film forming agent are dissolved to form a gel semi-finished product, cooling to room temperature, adding dihydroxyacetone, uniformly mixing, adding a mixed solution of a preservative and ethanol while stirring, and stirring until a gel is formed.
Further, the mixed solution of the preservative and the ethanol also comprises a polyalcohol humectant.
The invention has the following beneficial effects:
the sunless tanning gel disclosed by the invention is prepared by taking dihydroxyacetone as a main functional component and hydroxyethyl cellulose as a thickening agent in combination with other components, has better stability, can keep a crystal clear appearance after being placed at normal temperature for a long time, has good spreadability and a remarkable tanning effect, and can fully meet the aesthetic requirements of consumers; and the preparation method is simple and suitable for large-scale industrial production.
Drawings
FIG. 1 shows dihydroxyacetone content and Δ L in the evaluation of tanning Effect of sunless tanning gel in Experimental example 2 of the present invention*Graph relating the mean values.
FIG. 2 is a graph showing the relationship between the dihydroxyacetone content and the average ITA DEG value in the evaluation of the tanning effect of the sunless tanning gel of Experimental example 2 of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the following detailed description, which are not intended to limit the invention in any way. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.
Wherein the preservative adopted by the application consists of phenoxyethanol, methylparaben, ethylparaben and ethylhexylglycerin, is purchased from German Shumei Co Ltd, and has the model number of
K350。
Unless otherwise indicated, reagents and materials used in the following examples are commercially available.
Examples 1 to 3 sunless tanning gels
The sunless tanning gel is prepared from the following components:
TABLE 1 Components and amounts (%)
The preparation method comprises the following steps:
adding thickener hydroxyethyl cellulose, chelating agent disodium ethylene diamine tetraacetate and film-forming agent polyvinylpyrrolidone k30 into water, heating at 60 ℃, stirring at 700rpm until the mixture is dissolved to form a gel semi-finished product, stopping heating, cooling to room temperature, adding dihydroxyacetone, uniformly mixing, adding an alcoholic solution prepared by mixing preservative, ethanol, propylene glycol and glycerol while stirring, and stirring for 30min to form gel.
Examples 4 to 5 and comparative examples 1 to 4 sunless tanning gels
The sunless tanning gel is prepared from the following components:
TABLE 2 Components and amounts of sunless tanning gels of examples 4-5 and comparative examples 1-4
The preparation method is described in reference to examples 1 to 3.
Experimental example 1 evaluation of gel stability of sunless tanning
Stability evaluation is carried out on the gels of the embodiments 4-5 and the comparative examples 1-4 in the invention by referring to the light industry standard QB/T2874-2007 of the people's republic of China.
(1) Heat resistance: putting 30g of gel sample into a glass sample bottle, storing in a thermostat at (40 +/-1) DEG C, taking out after 24h, and observing whether the appearance of the sample keeps the original shape or not; (2) cold resistance: putting 30g of gel sample into a glass sample bottle, storing in a refrigerator at-5 to-10 ℃, taking out after 24 hours, thawing, and observing whether the appearance of the sample keeps the original shape; (3) long-term stability: a30 g gel sample was stored in a glass vial in the dark at room temperature, left to stand for 3 months, and observed every 7 days for the appearance of the gel sample as it is, and the results are shown in Table 3.
TABLE 3 sunless tanning gel stability evaluation results
As can be seen from Table 3, the sunless tanning gel prepared in the embodiments 4 to 5 of the present invention can maintain the original glittering and translucent appearance after being placed at room temperature for 91 days for a long time, and has high efficacy and stability; in comparison examples 1-4, different thickeners are respectively adopted, so that the problem of yellowing occurs after 14-28 days, and the product stability is poor.
Experimental example 2 evaluation of tanning Effect of sunless tanning gel
Taking example 4 of the present application as an example, the sunless tanning gel was tested for tanning effect, and the effects of the other examples were similar to those of example 4.
The evaluation method comprises the following steps: the whiteness (brightness) L of the skin on the inner forearm of the volunteer was measured at 25 ℃ using the skin color measuring instrument SkinColorCatch* 1Value (L)*White when 100, L*Black when 0), then apply sample strips (2 mg/cm) on the arm at 1cm intervals in the area as normal skin care product is used2) 4 hours later, the skin L was again tested at the sample application site* 2Value,. DELTA.L*＝L* 1-L* 2Taking Δ L of 10 persons*The average value of (a) represents the tanning efficacy of the sample, and the larger the value, the stronger the tanning efficacy. Meanwhile, the data of the skin Individual Type Angle (ITA) are recorded in each test, the skin coloring degree is classified, the ITA is very light in 55-90 degrees, light in 41-54 degrees, medium in 28-40 degrees, and black in 10-27 degrees, brown in-30-9 degrees and dark in-90-31 degrees. The experimental results are shown in FIGS. 1-2.
As can be seen from the figure and the effect of practical application, the arm of the volunteer using the product has the effect from wheat color to bronze color. When the mass fraction of the Dihydroxyacetone (DHA) in the gel is 3-17%, the efficacy is moderate, the mass fraction and the efficacy form a positive correlation relationship, and the tanning gel can show a tanning coloring effect (ITA DEG is 10-27), namely wheat color, is close to the natural tanning color of Asians, and meets aesthetic requirements.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The sunless tanning gel is characterized by comprising the following components in parts by weight: 3-17 parts of dihydroxyacetone, 1-3 parts of thickening agent, 10-18 parts of ethanol, 0.2-0.5 part of preservative, 1-3 parts of film-forming agent, 0.02-0.2 part of chelating agent and water to make up to 100 parts;
wherein the thickening agent is hydroxyethyl cellulose.
2. The sunless tanning gel of claim 1, comprising the following components in parts by weight: 3-10 parts of dihydroxyacetone, 1-2 parts of thickening agent, 15-18 parts of ethanol, 0.3-0.5 part of preservative, 1-2 parts of film-forming agent, 0.1-0.2 part of chelating agent and water to make up to 100 parts.
3. The sunless tanning gel of claim 2, comprising the following components in parts by weight: 5 parts of dihydroxyacetone, 2 parts of thickening agent, 18 parts of ethanol, 0.5 part of preservative, 1.2 parts of film-forming agent, 0.1 part of chelating agent and water to make up to 100 parts.
4. The sunless tanning gel of any one of claims 1 to 3, wherein said preservative is selected from one or more of phenoxyethanol and parabens.
5. The sunless tanning gel of any one of claims 1 to 3, wherein said film former is polyvinylpyrrolidone.
6. The sunless tanning gel of any one of claims 1 to 3, wherein said chelating agent is disodium edetate or tetrasodium edetate.
7. The sunless skin tanning gel of claims 1 to 3, further comprising a polyhydric alcohol humectant.
8. The sunless tanning gel of claim 7, wherein said polyhydric alcohol humectant comprises propylene glycol, glycerin.
9. The method for preparing sunless tanning gel according to any one of claims 1 to 8, comprising the steps of:
adding a thickening agent, a chelating agent and a film forming agent into water, stirring at 50-60 ℃ until the thickening agent, the chelating agent and the film forming agent are dissolved to form a gel semi-finished product, cooling to room temperature, adding dihydroxyacetone, uniformly mixing, adding a mixed solution of a preservative and ethanol while stirring, and stirring until a gel is formed.
10. The method of claim 9, wherein the mixed solution of the preservative and the ethanol further comprises a polyhydric alcohol humectant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732472.1A CN111728888A (en) | 2020-07-27 | 2020-07-27 | Sunless tanning gel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732472.1A CN111728888A (en) | 2020-07-27 | 2020-07-27 | Sunless tanning gel and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111728888A true CN111728888A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010732472.1A Pending CN111728888A (en) | 2020-07-27 | 2020-07-27 | Sunless tanning gel and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5620681A (en) * | 1993-09-30 | 1997-04-15 | Shiseido Co., Ltd. | Self-tanning cosmetic composition |
| CN101068528A (en) * | 2004-04-21 | 2007-11-07 | 宝洁公司 | Personal care compositions that deposit sunless tanning benefit agents |
-
2020
- 2020-07-27 CN CN202010732472.1A patent/CN111728888A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5620681A (en) * | 1993-09-30 | 1997-04-15 | Shiseido Co., Ltd. | Self-tanning cosmetic composition |
| CN101068528A (en) * | 2004-04-21 | 2007-11-07 | 宝洁公司 | Personal care compositions that deposit sunless tanning benefit agents |
Non-Patent Citations (1)
| Title |
|---|
| 汪多仁编著: "《现代高分子材料生产及应用手册》", 31 May 2002, 中国石化出版社 * |
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