CN115844759A - Child face cream and preparation method thereof - Google Patents
Child face cream and preparation method thereof Download PDFInfo
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- CN115844759A CN115844759A CN202211562040.6A CN202211562040A CN115844759A CN 115844759 A CN115844759 A CN 115844759A CN 202211562040 A CN202211562040 A CN 202211562040A CN 115844759 A CN115844759 A CN 115844759A
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- sodium hyaluronate
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- 239000006071 cream Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 229920002385 Sodium hyaluronate Polymers 0.000 claims abstract description 51
- 229940010747 sodium hyaluronate Drugs 0.000 claims abstract description 51
- YWIVKILSMZOHHF-QJZPQSOGSA-N sodium;(2s,3s,4s,5r,6r)-6-[(2s,3r,4r,5s,6r)-3-acetamido-2-[(2s,3s,4r,5r,6r)-6-[(2r,3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2- Chemical compound [Na+].CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 YWIVKILSMZOHHF-QJZPQSOGSA-N 0.000 claims abstract description 51
- 229920001661 Chitosan Polymers 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 24
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 14
- 235000019198 oils Nutrition 0.000 claims description 14
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 12
- TXFPEBPIARQUIG-UHFFFAOYSA-N 4'-hydroxyacetophenone Chemical group CC(=O)C1=CC=C(O)C=C1 TXFPEBPIARQUIG-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 240000007817 Olea europaea Species 0.000 claims description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 9
- 235000006708 antioxidants Nutrition 0.000 claims description 9
- 229940049964 oleate Drugs 0.000 claims description 9
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 9
- 238000006467 substitution reaction Methods 0.000 claims description 9
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 claims description 8
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 229960005150 glycerol Drugs 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229930003427 Vitamin E Natural products 0.000 claims description 6
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 claims description 6
- 235000019165 vitamin E Nutrition 0.000 claims description 6
- 229940046009 vitamin E Drugs 0.000 claims description 6
- 239000011709 vitamin E Substances 0.000 claims description 6
- 235000018330 Macadamia integrifolia Nutrition 0.000 claims description 5
- 240000000912 Macadamia tetraphylla Species 0.000 claims description 5
- 235000003800 Macadamia tetraphylla Nutrition 0.000 claims description 5
- 235000018936 Vitellaria paradoxa Nutrition 0.000 claims description 5
- 241001135917 Vitellaria paradoxa Species 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229930182478 glucoside Natural products 0.000 claims description 5
- 150000008131 glucosides Chemical class 0.000 claims description 5
- 229940100460 peg-100 stearate Drugs 0.000 claims description 5
- 229940057910 shea butter Drugs 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 4
- 229960001631 carbomer Drugs 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 claims description 4
- 229940032094 squalane Drugs 0.000 claims description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 4
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 3
- -1 PEG-100 stearate Chemical compound 0.000 claims description 3
- 229940075529 glyceryl stearate Drugs 0.000 claims description 3
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 claims description 3
- 235000013772 propylene glycol Nutrition 0.000 claims description 3
- 229940100515 sorbitan Drugs 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229940104261 taurate Drugs 0.000 claims description 3
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 claims description 3
- NCZPCONIKBICGS-UHFFFAOYSA-N 3-(2-ethylhexoxy)propane-1,2-diol Chemical compound CCCCC(CC)COCC(O)CO NCZPCONIKBICGS-UHFFFAOYSA-N 0.000 claims description 2
- 229940100524 ethylhexylglycerin Drugs 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000012071 phase Substances 0.000 description 20
- 230000014759 maintenance of location Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 230000006196 deacetylation Effects 0.000 description 5
- 238000003381 deacetylation reaction Methods 0.000 description 5
- ANZUDYZHSVGBRF-UHFFFAOYSA-N 3-ethylnonane-1,2,3-triol Chemical compound CCCCCCC(O)(CC)C(O)CO ANZUDYZHSVGBRF-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920002674 hyaluronan Polymers 0.000 description 2
- 229960003160 hyaluronic acid Drugs 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- BQMNFPBUAQPINY-UHFFFAOYSA-N azane;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound [NH4+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C BQMNFPBUAQPINY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000010466 nut oil Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012430 stability testing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Cosmetics (AREA)
Abstract
The application relates to the field of personal care products, and particularly provides a child face cream and a preparation method thereof. The child face cream comprises the following raw material components, by weight, 12-20 parts of a skin moistening component, 2-5 parts of a moisturizing component, 0.3-1 part of a thickening agent, 3-5 parts of an emulsifying agent, 0.3-0.8 part of an antioxidant and the balance of water, wherein the skin moistening component is 100 parts; the moisture keeping component contains 0.01-0.05 part of sodium hyaluronate and 0.01-0.05 part of chitosan. The children face cream has the characteristic of good long-acting moisturizing capability.
Description
Technical Field
The application relates to the technical field of personal care products, in particular to a child face cream and a preparation method thereof.
Background
The skin of children is delicate, especially the skin of face, and is easy to crack in dry weather. Therefore, it is particularly important to moisturize the skin of children. Although there have been many reports of child moisturizing care products in the prior art, applicants believe that there is a need for improved moisturizing performance, particularly long-term moisturizing ability, which is particularly important for some children who stay in school for a full day, and for more than 10 hours from home to home.
Disclosure of Invention
In order to solve the technical problem that the long-acting moisturizing capability of a children face care product in the prior art is insufficient, the application provides a children face cream and a preparation method thereof.
The technical scheme is as follows:
a child face cream comprises the following raw material components, by weight, 12-20 parts of a skin moistening component, 2-5 parts of a moisturizing component, 0.3-1 part of a thickening agent, 3-5 parts of an emulsifier, 0.3-0.8 part of an antioxidant and the balance of water, wherein the moisturizing component is prepared by mixing the raw material components according to 100 parts of the weight;
the moisture-keeping component contains 0.01-0.05 part of sodium hyaluronate and 0.01-0.05 part of chitosan.
Preferably, the skin moistening component is selected from one or more of squalane, macadamia nut oil, shea butter and ethyl hexyl glycerol.
Preferably, the moisture-keeping component further contains one or more of glycerol, vitamin E and propylene glycol.
Preferably, the thickening agent is selected from one or two combinations of acryloyl dimethyl ammonium taurate/VP copolymer and carbomer.
Preferably, the emulsifier is selected from one or more of cetearyl olive oleate, PEG-100 stearate, sorbitan olive oleate, cetearyl glucoside and glyceryl stearate.
Preferably, the antioxidant is selected from p-hydroxyacetophenone.
Preferably, the sodium hyaluronate has an average molecular weight not exceeding 20000.
Preferably, the sodium hyaluronate has an acetyl substitution degree of 1.8 to 3.5.
Preferably, the chitosan has an average molecular weight of 1 to 5 ten thousand.
A method for preparing a child face cream according to any one of the above embodiments includes the steps of,
mixing the skin moistening component and the emulsifier, heating to 80-90 ℃, and uniformly mixing to obtain an oil phase;
respectively preparing the sodium hyaluronate and the chitosan into aqueous solutions, synchronously dropwise adding the aqueous solutions into the rest of water, adding the rest of moisturizing components and the antioxidant after dropwise adding, heating to the same temperature as the oil phase, and uniformly mixing to obtain a water phase;
and adding the oil phase into the water phase, homogenizing, cooling to below 50 ℃, adding the thickening agent, uniformly stirring, and defoaming to obtain the water-based paint.
In summary, the present application has the following beneficial effects:
1. according to the application, sodium hyaluronate and chitosan are added into the face cream, and the sodium hyaluronate and chitosan can be self-assembled into a film by utilizing the characteristics that the sodium hyaluronate has negative charges and the chitosan has positive charges. The inventor finds that the film can obviously improve the long-acting moisture retention of the face cream in the face cream, and the moisture retention can be as long as 12 hours.
2. The inventors have further found that by using sodium hyaluronate and chitosan, which have relatively low molecular weights, the long-lasting moisturizing ability of the face cream is better.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, 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. If there is a conflict, the present specification will control.
On one hand, the application provides a child face cream which comprises the following raw material components, by weight, 12-20 parts of a skin moistening component, 2-5 parts of a moisturizing component, 0.3-1 part of a thickening agent, 3-5 parts of an emulsifier, 0.3-0.8 part of an antioxidant and the balance of water, wherein the skin moistening component is prepared from raw materials which are 100 parts;
the moisture keeping component contains 0.01-0.05 part of sodium hyaluronate and 0.01-0.05 part of chitosan.
Sodium hyaluronate is not as absorbent as hyaluronic acid, but has good moisturizing effect. The chitosan has better water absorption, adsorption and antibacterial property. In the application, the moisturizing component contains sodium hyaluronate and chitosan, and the sodium hyaluronate with negative charges and the chitosan with positive charges can interact to form a film, so that the film forming property of the face cream is improved, and the long-acting moisturizing property of the face cream is increased. The inventor speculates that the long-acting moisture retention of the nursing cream is related to the film formation of the sodium hyaluronate/chitosan.
The skin moistening component is mainly oil substance, and can improve skin moistening property and moisture keeping property. In the application, the skin moistening component is further selected from one or more of squalane, macadamia nut seed oil, shea butter and ethylhexyl glycerin.
In the application, the moisture-retaining component further contains one or more of glycerin, vitamin E and propylene glycol. Other commonly used moisturizing agents are added into the moisturizing component, so that the cost can be reduced, and better moisturizing performance can be still maintained.
The thickening agent can further improve the texture of the face cream. In the application, further, the thickening agent is selected from one or two of acryloyl dimethyl ammonium taurate/VP copolymer and carbomer.
In the present application, further, the emulsifier is selected from one or more of cetearyl olive oleate, PEG-100 stearate, sorbitan olive oleate, cetearyl glucoside and glyceryl stearate.
In the present application, further, the antioxidant is selected from p-hydroxyacetophenone.
In the present application, further, the average molecular weight of sodium hyaluronate is not more than 20000. In the application, the sodium hyaluronate has a lower average molecular weight, and is easier to self-assemble with chitosan to form a film.
In the present application, further, the sodium hyaluronate has an acetyl substitution degree of 1.8 to 3.5. In the application, the acetyl substitution degree of the sodium hyaluronate is 1.8-3.5, the hydrophilic and lipophilic properties of the sodium hyaluronate are more balanced, and the moisturizing effect is better.
In the present application, further, the chitosan has an average molecular weight of 1 to 5 ten thousand and a degree of deacetylation of 85% or more, or further 90% or more. In the application, the average molecular weight of chitosan is lower, and the chitosan is easier to self-assemble with sodium hyaluronate to form a film. When preparing the chitosan aqueous solution, the pH value of water can be firstly adjusted to 2-5, which is helpful for dissolving chitosan under acidic condition.
In another aspect, the present application provides a method for preparing a child face cream according to any one of the above embodiments, comprising the steps of,
mixing the skin moistening component and emulsifier, heating to 80-90 deg.C, and mixing to obtain oil phase;
respectively preparing sodium hyaluronate and chitosan into aqueous solutions, synchronously dropwise adding the aqueous solutions into the rest water, dropwise adding the rest moisturizing components and the rest antioxidant, heating to the same temperature as the oil phase, and uniformly mixing to obtain a water phase;
adding the oil phase into the water phase, homogenizing, cooling to below 50 deg.C, adding thickener, stirring, and defoaming.
In the preparation method of the children face cream, the sodium hyaluronate and the chitosan are respectively prepared into the aqueous solution, and then are synchronously dripped into the rest water, so that the film formation between the sodium hyaluronate and the chitosan is facilitated, and the obtained face cream has better moisture retention. Specifically, the concentration of the aqueous solution of sodium hyaluronate may be 0.05 to 1wt%, such as 0.1wt%, 0.15 wt%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, etc., and the concentration of the aqueous solution of chitosan may be 0.05 to 1%, such as 0.1wt%, 0.15%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, etc.
In the preparation method of the children face cream, the homogenizing rotation speed can be 3000-30000rpm, the homogenizing time can be 3-10 minutes, specifically, the homogenizing time can be 5 minutes at 15000-25000rpm, 7 minutes at 90000-13000rpm, 10 minutes at 3000-8000rpm, and the like.
The children face cream can also be added with other raw material components, such as 0.05-0.5 part of essence and the like.
The child face cream and the preparation method thereof according to the present application will be described in detail with reference to examples, comparative examples and experimental data.
Example 1
0.02 part of sodium hyaluronate (average molecular weight of 10 ten thousand and no acetyl substitution) is prepared into 0.2wt% aqueous solution; 0.02 portion of
Chitosan (average molecular weight 10 ten thousand, degree of deacetylation 96%) was added to water having a pH of 3 to prepare a 0.2wt% aqueous solution.
Mixing 3 parts of macadamia nut seed oil, 3 parts of shea butter, 9 parts of ethylhexyl glycerol, 1 part of cetearyl olive oleate, 2 parts of PEG-100 stearate and 1 part of cetearyl glucoside according to 100 parts of the total raw material components by weight, heating to 85 ℃, and uniformly mixing to obtain an oil phase;
synchronously dripping the sodium hyaluronate aqueous solution and the chitosan aqueous solution into the rest of water, adding 4 parts of glycerol, 1 part of vitamin E and 0.5 part of p-hydroxyacetophenone after dripping, heating to 82 ℃, and uniformly mixing to obtain a water phase;
adding the oil phase into the water phase, homogenizing at 15000rpm for 5min, cooling to below 50 deg.C, adding 0.5 part of ammonium acryloyl dimethyl taurate/VP copolymer, homogenizing at 5000rpm for 3min, and defoaming to obtain children face cream.
Example 2
In example 1, sodium hyaluronate was replaced with equal weight of sodium hyaluronate having an average molecular weight of 1 ten thousand and no acetyl substitution, and the rest of the procedure was kept unchanged.
Example 3
In example 1, sodium hyaluronate was replaced with sodium hyaluronate of equal weight average molecular weight of 1.5 ten thousand and acetyl degree of substitution of 2.2, and the remaining steps were kept unchanged.
Example 4
In example 1, sodium hyaluronate was replaced with sodium hyaluronate of equal weight average molecular weight of 1.2 ten thousand and acetyl substitution degree of 3, and the remaining steps were kept unchanged.
Example 5
In example 2, chitosan was replaced with chitosan of equal weight average molecular weight of 3 ten thousand and degree of deacetylation of 95%, and the remaining steps were kept unchanged.
Example 6
In example 4, chitosan was replaced with chitosan of equal weight average molecular weight of 3 ten thousand and degree of deacetylation of 95%, and the remaining steps were kept unchanged.
Example 7
0.045 part of sodium hyaluronate (average molecular weight of 1.2 ten thousand and acetyl substitution degree of 3) is prepared into 0.2wt% aqueous solution; 0.015 part of chitosan (average molecular weight 3 ten thousand, degree of deacetylation 95%) was prepared into a 0.1wt% aqueous solution.
Mixing 5 parts of squalane, 2 parts of macadamia nut seed oil, 3 parts of shea butter, 8 parts of ethylhexyl glycerol, 0.8 part of cetearyl olive oleate, 1 part of PEG-100 stearate, 1 part of sorbitan olive oleate and 1.2 parts of cetearyl glucoside, heating to 85 ℃, and uniformly mixing to obtain an oil phase;
synchronously dripping the sodium hyaluronate aqueous solution and the chitosan aqueous solution into the rest of water, adding 4 parts of glycerol, 1 part of vitamin E and 0.6 part of p-hydroxyacetophenone after dripping, heating to 85 ℃, and uniformly mixing to obtain a water phase;
adding the oil phase into the water phase, homogenizing at 15000rpm for 8min, cooling to below 50 deg.C, adding 0.6 part carbomer, homogenizing at 5000rpm for 3min, and defoaming to obtain children face cream.
Example 8
In example 7, 0.045 parts of sodium hyaluronate were replaced with 0.015 parts of sodium hyaluronate, 0.015 parts of chitosan were replaced with 0.045 parts of chitosan, and the remaining steps were kept unchanged.
Comparative example 1
In example 6, sodium hyaluronate and chitosan were replaced with equal weight of glycerol and the remaining steps were kept the same.
Comparative example 2
In example 6, sodium hyaluronate was replaced with the same chitosan in equal weight, and the aqueous chitosan solution was added directly to water along with the remaining moisturizing ingredients to prepare an aqueous phase, with the remaining steps remaining the same.
Comparative example 3
In example 6, the chitosan was replaced with equal weight of the same sodium hyaluronate, and the aqueous sodium hyaluronate solution was added directly to the water along with the remaining moisturizing ingredients to prepare the aqueous phase, with the remaining steps remaining the same.
Comparative example 4
In example 6, sodium hyaluronate was replaced with hyaluronic acid of equal weight average molecular weight of 1.5 ten thousand, and the rest of the procedure was kept unchanged.
Comparative example 5
In example 6, when preparing the aqueous phase, the pH of water was adjusted to 3, chitosan was added to dissolve, and then sodium hyaluronate, glycerin, vitamin E, and p-hydroxyacetophenone were added in sequence to dissolve, and the remaining steps were kept unchanged.
Performance testing
Moisture retention test: a layer of sample to be tested with the thickness of 100 +/-5 microns is coated on PU leather with the thickness of 5cm multiplied by 0.5cm by a film scraper in a blade mode, the PU leather is placed in a constant-temperature constant-humidity environment with the temperature of 20 ℃ and the humidity of 40%, the weight of the sample at different time is tested, and the moisture retention rate is calculated. The moisture retention rate is the weight of the remaining sample divided by the weight of the initial sample. The results are shown in Table 1.
TABLE 1 moisture retention%
As can be seen from the results in table 1, the face cream of the present application has superior moisturizing properties. The chitosan and the sodium hyaluronate have good moisture retention, but the application uses the chitosan and the sodium hyaluronate together, and the moisture retention effect is obviously better than that of the chitosan and the sodium hyaluronate when the chitosan and the sodium hyaluronate are used alone. Compared with the method of mixing sodium hyaluronate and chitosan into a film and then mixing the film and other moisture-preserving components into a water phase, the method has better moisture-preserving performance by directly mixing the two raw materials and the other moisture-preserving components into the water phase.
And (3) stability testing: and (3) placing the sample to be detected in an environment of 50 ℃ for 24 hours, then in an environment of-8 ℃ for 24 hours, and then in room temperature for 24 hours, and observing whether the sample has the problems of paste coarsening, oil-water separation and the like. According to the test results, the face cream of the examples 1 to 8 and the face cream of the comparative examples 1 to 5 have good stability, and the problems of cream coarsening, oil-water separation and the like do not occur, which shows that the preparation method of the application has no influence on the stability of the cream of the face cream.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The child face cream is characterized by comprising the following raw material components, by weight, 12-20 parts of a skin moistening component, 2-5 parts of a moisturizing component, 0.3-1 part of a thickening agent, 3-5 parts of an emulsifier, 0.3-0.8 part of an antioxidant and the balance of water, wherein the skin moistening component is 100 parts;
the moisture-keeping component contains 0.01-0.05 part of sodium hyaluronate and 0.01-0.05 part of chitosan.
2. The child face cream of claim 1, wherein: the skin moistening component is one or more of squalane, macadamia nut seed oil, shea butter and ethylhexyl glycerin.
3. The child face cream of claim 1, wherein: the moisture keeping component also contains one or more of glycerol, vitamin E and propylene glycol.
4. The child face cream of claim 1, wherein: the thickening agent is selected from one or two combinations of acryloyl dimethyl ammonium taurate/VP copolymer and carbomer.
5. The child face cream of claim 1, wherein: the emulsifier is selected from one or more of cetearyl olive oleate, PEG-100 stearate, sorbitan olive oleate, cetearyl glucoside and glyceryl stearate.
6. The child face cream of claim 1, wherein: the antioxidant is selected from p-hydroxyacetophenone.
7. The child face cream of claim 1, wherein: the average molecular weight of the sodium hyaluronate is not more than 20000.
8. The child face cream of claim 1, wherein: the acetyl substitution degree of the sodium hyaluronate is 1.8-3.5.
9. The child face cream of claim 1, wherein: the average molecular weight of the chitosan is 1-5 ten thousand.
10. A method of preparing a child face cream according to any one of claims 1 to 9, wherein: comprises the following steps of (a) preparing a solution,
mixing the skin moistening component and the emulsifier, heating to 80-90 ℃, and uniformly mixing to obtain an oil phase;
respectively preparing the sodium hyaluronate and the chitosan into aqueous solutions, synchronously dropwise adding the aqueous solutions into the rest of water, adding the rest of moisturizing components and the antioxidant after dropwise adding, heating to the same temperature as the oil phase, and uniformly mixing to obtain a water phase;
and adding the oil phase into the water phase, homogenizing, cooling to below 50 ℃, adding the thickening agent, uniformly stirring, and defoaming to obtain the water-based organic silicon gel.
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| CN202211562040.6A CN115844759A (en) | 2022-12-07 | 2022-12-07 | Child face cream and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138872A (en) * | 2011-03-03 | 2011-08-03 | 浙江大学 | Chitosan lotion and preparation method thereof |
| CN107951771A (en) * | 2017-12-14 | 2018-04-24 | 广东添乐化妆品有限公司 | A kind of baby child releives moisturizing skin care creams and preparation method thereof |
| CN114191335A (en) * | 2021-11-15 | 2022-03-18 | 厦门市斯维特日用品有限公司 | Natural face cream for children and preparation process thereof |
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- 2022-12-07 CN CN202211562040.6A patent/CN115844759A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138872A (en) * | 2011-03-03 | 2011-08-03 | 浙江大学 | Chitosan lotion and preparation method thereof |
| CN107951771A (en) * | 2017-12-14 | 2018-04-24 | 广东添乐化妆品有限公司 | A kind of baby child releives moisturizing skin care creams and preparation method thereof |
| CN114191335A (en) * | 2021-11-15 | 2022-03-18 | 厦门市斯维特日用品有限公司 | Natural face cream for children and preparation process thereof |
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