CN113599310A - Moisturizing composition and application thereof in cosmetics - Google Patents
Moisturizing composition and application thereof in cosmetics Download PDFInfo
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- CN113599310A CN113599310A CN202111111083.8A CN202111111083A CN113599310A CN 113599310 A CN113599310 A CN 113599310A CN 202111111083 A CN202111111083 A CN 202111111083A CN 113599310 A CN113599310 A CN 113599310A
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- 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
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9728—Fungi, e.g. yeasts
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- 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
- A61K8/31—Hydrocarbons
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- 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
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
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- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
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- 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
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
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Abstract
The invention discloses a moisturizing composition and application thereof in cosmetics, relating to the technical field of cosmetics; the moisturizing composition comprises the following components in parts by weight: natural squalane: 0.5-3 parts; white fungus extract: 1-4 parts; betaine: 0.5-3 parts; d-panthenol: 0.5-2 parts. According to the invention, by optimizing the components and the proportion among the components, the betaine can rapidly permeate and supplement water, and accelerate the permeation and moisture retention of the tremella extract, so that the skin water can be rapidly supplemented, the D-panthenol can provide surface moisture retention, and the natural squalane and the tremella extract can timely prevent the supplemented water from volatilizing; by the principle of the synergistic effect of the water replenishing, the moisturizing and the repairing, the skin is quickly replenished with water and the supplemented water is locked at the same time, so that the long-acting moisturizing effect is achieved, meanwhile, the skin barrier is repaired to a certain extent, the water retaining performance of the skin is improved, and the loss of the moisture through the epidermis is reduced.
Description
Technical Field
The invention relates to the technical field of cosmetics, in particular to a moisturizing composition and application thereof in cosmetics.
Background
Moisture retention is of great importance for maintaining skin health, so moisture-retention skin care products are always the key requirements of consumers, and water needs to be supplemented when moisture retention is needed. The water supplement is to completely fuse water in the skin and water-deficient cells by supplementing the water needed by the cells of the stratum corneum, thereby improving the microcirculation of the skin cells and moistening the skin; moisture retention is to prevent water loss and thereby lock water tightly. When the moisture of the surface layer of the skin, namely the horny layer reaches 15-25 percent and the moisture is sufficient, the skin is soft, smooth and free of fine lines, and the skin is full of elasticity in hand feeling; however, with the influence of environmental changes, aging, bad life style and the like, the water in the horny layer is gradually lost, and when the content is lower than 10%, the skin is dry, fine wrinkles, tight, rough, desquamation and the like. Therefore, it is important to supplement moisture to the skin and reduce the loss of moisture.
At present, common moisturizing agents comprise polyols, high molecules, mineral lipids and the like, and the moisturizing components have different degrees of problems, such as unobvious moisturizing effect, sticky and greasy skin feel, no air permeability and the like; therefore, the demand of consumers for moisturizing cosmetics can be met by further researching safe, comfortable and effective moisturizing products.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a moisturizing composition and application thereof in cosmetics.
In order to solve the technical problems, the invention provides the following technical scheme:
in a first aspect, a moisturizing composition is provided, which comprises the following components in parts by weight:
natural squalane: 0.5-3 parts;
white fungus extract: 1-4 parts;
betaine: 0.5-3 parts;
d-panthenol: 0.5-2 parts.
Further, the composition comprises the following components in parts by weight:
natural squalane: 1-2.5 parts;
white fungus extract: 2-3 parts of a solvent;
betaine: 1-3 parts;
d-panthenol: 1-2 parts.
Further, the composition comprises the following components in parts by weight:
natural squalane: 2 parts of (1);
white fungus extract: 3 parts of a mixture;
betaine: 3 parts of a mixture;
d-panthenol: and 2 parts.
In a second aspect, there is provided the use of a moisturizing composition as described in the first aspect in the preparation of a cosmetic, wherein the moisturizing composition is present in an amount of 2.5 to 13% by weight.
Furthermore, the cosmetic also comprises 87-97.5 wt% of cosmetic auxiliary materials.
Further, the cosmetic auxiliary materials are selected from one or more of emulsifier, emollient, solubilizer, thickener, skin conditioner, moisturizing stabilizer, preservative, chelating agent, essence and water.
Further, the emulsifier is selected from one or more of polysorbate-60, sorbitan stearate, glyceryl stearate, PEG-100 stearate, sodium stearyl glutamate, potassium cetyl phosphate, ceteareth-20, PEG-20 methyl glucose sesquistearate, polyglyceryl-3 methyl glucose distearate, coco glucoside, C20-22 alcohol phosphate, coco glucoside, glyceryl stearate citrate.
Further, the emollient is selected from one or more of isopropyl palmitate, petrolatum, ethylhexyl palmitate, caprylic/capric triglyceride, cetyl palmitate, polydimethylsiloxane, myristyl myristate, octyl methicone, glycerol tri (ethylhexanoate), pentaerythritol tetra (ethylhexanoate), jojoba seed oil, olive oil, tridecyl trimellitate, octyldodecanol, shea butter, hydrogenated polyisobutene.
Further, the moisturizing stabilizer is selected from one or more of glycerin, propylene glycol, butanediol, polyethylene glycol-8 and dipropylene glycol;
the thickening agent is selected from one or more of carbomer sodium, xanthan gum, acryloyl dimethyl ammonium taurate/VP copolymer, hydroxyethyl cellulose, sodium polyacrylate, sodium acrylate/acryloyl dimethyl sodium taurate copolymer, ozokerite, white beeswax, microcrystalline wax, cetearyl alcohol, cetyl alcohol and behenyl alcohol.
Further, the preservative is selected from one or more of methylparaben, propylparaben, phenoxyethanol, chlorphenesin, bis (hydroxymethyl) imidazolidinyl urea, methylisothiazolinone, and combinations thereof;
the essence is selected from one or more of faint scent essence, floral essence, fruity essence and composite scent essence.
The moisturizing composition used in the invention has the following properties:
natural squalane: pure natural squalane from plants (olive oil), with a molecular structure of vegetable origin without substitution, has a strong affinity with the skin. Natural squalane, which is similar to squalene, an important component constituting sebum of a human body, is easily incorporated into the skin to form a protective film on the skin surface, thereby playing a barrier role. The average content of squalene in sebum of healthy women is 12%, however, the amount of squalene secreted by human body reaches a tripod at the age of 15-18 years, and then the secretion gradually decreases. The content of squalene in olive oil is high, and squalene is hydrogenated to obtain squalane, which has stable property and the same effect as squalene and can help repair skin barrier.
White fungus extract: the active polysaccharide is extracted from edible fungus tremella sporocarp by a unique alkaline extraction production process, is transparent viscous liquid in appearance, is colorless to light yellow, and has slight characteristic smell. The existing macromolecules can play a role in forming films and lock water; also has small molecules, is easy to absorb, and can deeply moisturize.
Betaine: moisturizers, which are components of Natural Moisturizing Factor (NMF), capture water molecules on the surface, increase the integrity of the tight junctions of keratinocytes and enhance skin barrier cohesion.
D-panthenol: also called provitamin B5, is a deeply penetrating moisturizer, improves and increases skin moisture, and makes skin softer and more elastic; stimulating the growth and development of the squamous epithelial cells, helping the repair and healing of small wounds and playing a role in diminishing inflammation; the content of D-panthenol is more than 98%.
In the present invention, the water is water that meets the cosmetic requirements.
Compared with the prior art, the invention has the following beneficial effects:
the moisturizing composition adopts four components of natural squalane, tremella extract, betaine and D-panthenol in specific proportions; the natural squalane is used as oil and fat, and has the effects of preventing water from volatilizing, and enhancing the skin barrier repair and skin water retention performance; the tremella extract can supplement moisture instantly, and meanwhile, a film can be formed on the surface of the skin, and the tremella extract and natural squalane can cooperate to improve the moisture retention performance of the skin and prevent the supplementary moisture from volatilizing; betaine has the advantage of rapid penetration, accelerates the penetration and moisturizing effects of the tremella extract in the composition, can quickly supplement moisture of skin, but has poor moisturizing performance. D-panthenol can moisturize the stratum corneum surface layer and increase the overall moisturizing performance of the composition. According to the invention, by optimizing the components and the proportion among the components, the betaine can rapidly permeate and supplement water, and accelerate the permeation and moisture retention of the tremella extract, so that the skin water can be rapidly supplemented, the D-panthenol can provide surface moisture retention, and the natural squalane and the tremella extract can timely prevent the supplemented water from volatilizing; by the principle of the synergistic effect of the water replenishing, the moisturizing and the repairing, the skin is quickly replenished with water and the supplemented water is locked at the same time, so that the long-acting moisturizing effect is achieved, meanwhile, the skin barrier is repaired to a certain extent, the water retaining performance of the skin is improved, and the loss of the moisture through the epidermis is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
In order that the technical content of the invention may be more fully understood, the invention will be further described and illustrated with reference to specific embodiments; it is to be understood that the embodiments described below are only a few embodiments of the present invention, and not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The features, benefits and advantages of the present invention will become apparent to those skilled in the art from a reading of the present disclosure.
All percentages, parts and ratios are based on the total weight of the composition of the present invention, unless otherwise specified. The term "weight content" herein may be represented by the symbol "%".
The use of "including," "comprising," "containing," "having," or other variations thereof herein, is meant to encompass the non-exclusive inclusion, as such terms are not to be construed. The term "comprising" means that other steps and ingredients can be added that do not affect the end result. The term "comprising" also includes the terms "consisting of and" consisting essentially of. The compositions and methods/processes of the present invention can comprise, consist of, and consist essentially of the essential elements and limitations described herein, as well as any of the additional or optional ingredients, components, steps, or limitations described herein.
The essence and the preservative are conventional additives in the cosmetic technical field, and the amount of the essence and the preservative can be added by those skilled in the art according to the specification of the type and the content of the essence and the preservative in the cosmetic according to the design requirement of the product.
Examples 1 to 3 and comparative examples 1 to 4
The moisturizing cosmetics of examples 1 to 3 and comparative examples 1 to 4 were formulated according to the formulation compositions in table 1 below; specifically, the moisturizing cosmetic is a moisturizing emulsion.
Table 1: formulation compositions of examples 1 to 3 and comparative examples 1 to 4 (%)
The preparation method of the moisturizing emulsion comprises the following steps:
1) mixing glycerol and xanthan gum uniformly, adding into deionized water in a water phase pot, stirring and heating to 85 ℃, and stirring for 20 minutes under the condition of heat preservation;
2) adding PEG-20 methyl glucose sesquistearate, cetearyl alcohol, behenyl alcohol, caprylic/capric triglyceride, polydimethylsiloxane and natural squalane into oil phase pot, stirring and heating to 85 deg.C, maintaining the temperature and stirring for 20 min;
3) preheating an emulsifying pot to 82 ℃, respectively pumping the water phase pot material and the oil phase pot material into the emulsifying pot, stirring, homogenizing at 2500rpm for 8 minutes, vacuumizing, and cooling.
4) Cooling to 60 deg.C, adding Tremella extract, betaine, and D-panthenol, and stirring.
5) Cooling to 45 deg.C, adding phenoxyethanol and compound essence, and stirring;
6) cooling to 38 ℃, discharging after the detection is qualified, and obtaining the moisturizing emulsion.
The emulsifier in this embodiment may also be selected from one or more of polysorbate-60, sorbitan stearate, glyceryl stearate, PEG-100 stearate, sodium stearyl glutamate, potassium cetyl phosphate, ceteareth-20, polyglyceryl-3 methyl glucose distearate, coco glucoside, C20-22 alcohol phosphate, coco glucoside, glyceryl stearate citrate, as tested.
The emollient in this embodiment may also be selected from one or more of isopropyl palmitate, petrolatum, ethylhexyl palmitate, cetyl palmitate, myristyl myristate, octyl methicone, glyceryl tri (ethyl hexanoate), pentaerythritol tetra (ethyl hexanoate), jojoba seed oil, olive oil, tridecyl trimellitate, octyldodecanol, shea butter, hydrogenated polyisobutene.
The moisturizing stabilizer in the embodiment can also be selected from one or more of propylene glycol, butylene glycol, polyethylene glycol-8 and dipropylene glycol; the thickener may also be selected from one or more of carbomer sodium, acryloyl dimethyl ammonium taurate/VP copolymer, hydroxyethyl cellulose, sodium polyacrylate, sodium acrylate/acryloyl dimethyl sodium taurate copolymer, ozokerite, white beeswax, microcrystalline wax, and cetyl alcohol.
The preservative in this embodiment may also be selected from one or more of methylparaben, propylparaben, chlorphenesin, bis (hydroxymethyl) imidazolidinyl urea, methylisothiazolinone, and combinations thereof, and the addition type thereof may be adjusted as desired.
The essence in the embodiment can also be selected from one or more of faint scent essence, floral essence and fruity essence, and the adding types can be adjusted according to requirements.
And (3) effect testing:
test objects: 80 healthy women, 25-50 years old, were randomized into 8 groups of 10 individuals each.
The test method comprises the following steps: the samples of the above-mentioned blanks, comparative examples 1 to 4 and examples 1 to 3 were quantitatively applied to the forearm delineation region (same area and same area). The skin stratum corneum hydration content and the transdermal water loss rate values were measured at 0h (initial value of unused sample), 0.5h, 1h, 2h, 4h, and 8h after using the sample using the instruments moisturmetersc MSC1212(DELFIN) and TAPOMETER SWL5167(DELFIN), respectively, and the obtained values were recorded and the average values were calculated, and the results were shown in table 2 and table 3, respectively.
Table 2: skin stratum corneum hydration levels of examples 1-3 and comparative examples 1-4 (a.u)
Table 3: skin transdermal water loss ratios (g/m) of examples 1 to 3 and comparative examples 1 to 42h)
| Time | 0h | 0.5h | 1h | 2h | 4h | 8h |
| Blank example | 8.32 | 6.93 | 6.38 | 7.01 | 7.66 | 8.12 |
| Comparative example 1 | 8.63 | 5.83 | 5.68 | 5.95 | 6.86 | 7.03 |
| Comparative example 2 | 8.61 | 5.52 | 5.49 | 5.82 | 6.87 | 7.15 |
| Comparative example 3 | 8.42 | 5.46 | 5.56 | 5.98 | 7.05 | 7.28 |
| Comparative example 4 | 8.55 | 5.33 | 5.26 | 5.57 | 6.53 | 6.87 |
| Example 1 | 8.46 | 3.56 | 3.42 | 4.05 | 4.92 | 5.83 |
| Example 2 | 8.61 | 3.25 | 3.13 | 3.74 | 4.66 | 5.72 |
| Example 3 | 8.38 | 3.16 | 3.05 | 3.55 | 4.51 | 5.68 |
As can be seen from the moisturizing test results in tables 2 and 3, compared with the blank example and the control example, the moisturizing emulsions of examples 1 to 3 can achieve rapid and efficient moisturizing within 0.5h, wherein betaine can rapidly permeate and replenish moisture, the permeation moisturizing effect of the tremella extract is accelerated, skin moisture can be rapidly replenished, D-panthenol provides surface moisturizing, and the natural squalane and the tremella extract prevent the replenished moisture from volatilizing in time; by the principle of the synergistic effect of the water replenishing, the moisturizing and the repairing, the skin is quickly replenished with water and the supplemented water is locked at the same time, so that the long-acting moisturizing effect is achieved, meanwhile, the skin barrier is repaired to a certain extent, the water retaining performance of the skin is improved, and the loss of the moisture through the epidermis is reduced. The comprehensive use effect of examples 1 to 3 is superior to that of the control example and the blank example.
Example 4 and comparative examples 5 to 12
Moisturizing emulsions of example 4 and comparative examples 5-12 were formulated according to the formulation composition in table 4 below.
Table 4: formulation composition (%)
The moisturizing emulsions of example 4 and comparative examples 5 to 12 were prepared in the same manner as the moisturizing emulsions of examples 1 to 3.
And (3) effect testing:
test objects: 90 healthy women, 25-50 years old, were randomized into 9 groups of 10 individuals each.
The test method comprises the following steps: samples of the above-mentioned control examples 5 to 12 and example 4 were quantitatively applied to the forearm delineation region (same area and same area). The skin stratum corneum hydration content and the transdermal water loss rate values were measured at 0h (initial value of unused sample), 0.5h, 1h, 2h, 4h, and 8h after using the sample using the instruments moisturmetersc MSC1212(DELFIN) and TAPOMETER SWL5167(DELFIN), respectively, and the obtained values were recorded and the average values were calculated, and the results were shown in tables 5 and 6, respectively.
Table 5: skin stratum corneum hydration levels of example 4 and comparative examples 5-12 (a.u)
| Time | 0h | 0.5h | 1h | 2h | 4h | 8h |
| Comparative example 5 | 22.65 | 57.01 | 57.75 | 52.85 | 49.55 | 43.21 |
| Comparative example 6 | 22.11 | 56.93 | 57.62 | 52.37 | 49.16 | 42.88 |
| Comparative example 7 | 21.87 | 57.22 | 57.88 | 53.06 | 49.63 | 43.95 |
| Comparative example 8 | 22.56 | 56.41 | 57.14 | 52.14 | 48.92 | 42.13 |
| Comparative example 9 | 22.33 | 60.83 | 61.92 | 59.93 | 54.38 | 48.33 |
| Comparative example 10 | 22.16 | 61.82 | 62.34 | 60.53 | 55.53 | 49.89 |
| Comparative example 11 | 22.38 | 61.26 | 62.15 | 60.22 | 55.09 | 49.53 |
| Comparative example 12 | 22.18 | 60.57 | 61.24 | 59.74 | 54.15 | 47.05 |
| Example 4 | 22.27 | 63.86 | 64.92 | 62.26 | 58.83 | 51.32 |
Table 6: skin Water loss Rate through skin (g/m) of example 4 and comparative examples 5 to 122h)
| Time | 0h | 0.5h | 1h | 2h | 4h | 8h |
| Comparative example 5 | 8.32 | 4.92 | 4.68 | 5.06 | 5.86 | 6.41 |
| Comparative example 6 | 8.16 | 5.11 | 4.82 | 5.13 | 5.93 | 6.55 |
| Comparative example 7 | 8.45 | 4.85 | 4.61 | 4.96 | 5.92 | 6.35 |
| Comparative example 8 | 8.79 | 5.26 | 4.96 | 5.24 | 6.12 | 6.72 |
| Comparative example 9 | 8.59 | 4.22 | 3.82 | 4.48 | 5.61 | 6.15 |
| Comparative example 10 | 8.26 | 4.02 | 3.66 | 4.26 | 5.31 | 5.96 |
| Comparative example 11 | 8.37 | 4.15 | 3.71 | 4.37 | 5.56 | 6.08 |
| Comparative example 12 | 8.44 | 4.35 | 4.01 | 4.52 | 5.73 | 6.28 |
| Example 4 | 8.71 | 3.48 | 3.39 | 3.88 | 4.85 | 5.79 |
As can be seen from the results of the moisturizing tests of the moisturizing emulsions in tables 5 and 6, the moisturizing effect of the moisturizing emulsion prepared by using the composition 4 of the present invention is better than that of two or three of the compositions, which indicates that there is a certain synergistic effect between the selected 4 components of the present invention.
Further, the comparison shows that the comparative example 5 does not contain betaine and D-panthenol, and has a good moisturizing effect in a short time, but the moisturizing osmotic effect of the tremella extract is reduced due to the absence of betaine, the moisturizing effect of the composition is reduced due to the absence of D-panthenol, and the fast moisturizing ability and the long-acting moisturizing effect of the composition are not the same as those of the moisturizing emulsions of comparative examples 9-12 and example 4.
The comparative example 6 does not contain the tremella extract and the D-panthenol, and has a good moisturizing effect in a short time, but due to the lack of the tremella extract and the D-panthenol, the whole moisturizing effect of the moisturizing emulsion is reduced, the moisturizing performance of the skin is reduced due to the lack of the tremella extract, and the volatilization of the moisturizing is accelerated, so that the rapid moisturizing capability and the long-acting moisturizing effect of the moisturizing emulsion are not the same as those of the moisturizing emulsions of comparative examples 9-12 and example 4; comparing the test data of 0.5h and 8h, it can be also found that the skin stratum corneum hydration content of the moisturizing emulsion of the comparative example 6 in the 0.5h to 8h is slightly reduced than that of the moisturizing emulsion of the comparative example 5.
The comparative example 7 does not contain tremella extract and betaine, and has a good moisturizing effect in a short time, because the D-panthenol can moisturize the stratum corneum surface layer in a targeted manner, but the total moisturizing effect of the moisturizing emulsion and the moisturizing performance of the skin are reduced due to the lack of the tremella extract and the betaine, but the content of natural squalane is increased in the comparative example 7, so that the skin moisturizing performance of the moisturizing emulsion in the comparative example 7 is slightly higher than that of the moisturizing emulsions in the comparative examples 5 and 6, the volatilization of partial moisturizing is reduced, and the decrease degree of the skin stratum corneum hydration content of the moisturizing emulsion in the comparative example 7 from 0.5h to 8h is slightly smaller than that of the moisturizing emulsions in the comparative examples 5 and 6.
The moisturizing emulsion of the comparative example 8 does not contain natural squalane and D-panthenol, and has a good moisturizing effect in a short time, because betaine has the advantage of rapid penetration, and the betaine accelerates the penetration moisturizing effect of the tremella extract, so that skin moisture can be quickly supplemented, but the moisturizing performance of betaine is poor, and the moisturizing emulsion of the comparative example 8 does not contain natural squalane and D-panthenol, so that the overall moisturizing effect of the moisturizing emulsion and the moisturizing performance of skin are reduced, and therefore, the moisturizing emulsion of the comparative example 8 is lower than the moisturizing emulsions of other comparative examples and the example 4 in terms of rapid moisturizing, long-acting moisturizing and skin barrier repair (moisturizing performance).
The comparative example 9 does not contain D-panthenol, and the D-panthenol can specifically moisturize the stratum corneum surface layer, so that the overall moisturizing and moisturizing effects of the moisturizing emulsion are reduced, and the skin transdermal water loss rate of the comparative example 9 is a low value at the 8 th hour, namely, the moisturizing emulsion of the comparative example 9 has good skin barrier repair capacity. But the fast moisturizing ability, long-lasting moisturizing effect, and skin barrier repair ability were inferior to those of the moisturizing emulsion of example 4.
The comparative example 10 does not contain betaine, but increases the content of the tremella extract and adds D-panthenol, and because the D-panthenol can specifically moisturize the surface layer of the stratum corneum, the tremella extract can supplement moisture immediately, and meanwhile, a film can be formed on the surface of the skin, and the moisture-retaining property of the skin can be improved by cooperating with natural squalane, so that the supplemented moisture is prevented from volatilizing; therefore, the total moisturizing effect of comparative example 10 was inferior to that of the moisturizing emulsion of example 4, but superior to that of comparative example 9.
Compared with the comparative example 10, the tremella fuciformis extract is replaced by the betaine, and the tremella fuciformis extract can supplement water instantly, but forms a film on the surface of skin, and can improve the water retention performance of the skin by cooperating with natural squalane, so that the supplemented water is prevented from volatilizing; therefore, comparative example 11 has a better moisturizing and hydrating effect than comparative example 10, but comparative example 11 is inferior in long-lasting moisturizing effect and skin barrier repair ability to the moisturizing emulsions of comparative example 10 and example 4.
Comparative example 12 compared with comparative example 9, the natural squalane was replaced with D-panthenol, and D-panthenol was able to specifically moisturize the stratum corneum surface layer, so comparative example 12 also had a better moisturizing effect in a short time (0.5 h); as can be seen from the test data, the increase of the skin stratum corneum hydration content of the moisturizing emulsion of the comparative example 12 within 0.5h-1h is smaller than that of the moisturizing emulsion of the comparative example 9 along with the extension of the test time, which is because the moisturizing performance of the moisturizing emulsion of the comparative example 12 is reduced due to the lack of natural squalane, and the volatilization of the supplementary water is accelerated; from the test data of 8h, it can also be concluded that the moisturizing emulsion of control example 12 is inferior in long-lasting moisturizing effect and skin barrier repair ability to the moisturizing emulsions of control example 9 and example 4.
Example 5 and comparative examples 13 to 15
Moisturizing emulsions of example 5 and comparative examples 13-15 were formulated according to the formulation composition in table 7 below.
Table 7: formulation composition (%)
The moisturizing emulsions of example 5 and comparative examples 13 to 15 were prepared in the same manner as the moisturizing emulsions of examples 1 to 3.
And (3) effect testing:
test objects: 40 healthy women, 25-50 years old, were randomized into 4 groups of 10 people each.
The test method comprises the following steps: samples of the above-mentioned control examples 13 to 15 and example 15 were quantitatively applied to the forearm delineation region (same region and same area). The skin stratum corneum hydration content and the transdermal water loss rate values were measured at 0h (initial value of unused sample), 0.5h, 1h, 2h, 4h, and 8h after using the sample using the instruments moisturmetersc MSC1212(DELFIN) and TAPOMETER SWL5167(DELFIN), respectively, and the obtained values were recorded and the average values were calculated, and the results were shown in table 8 and table 9, respectively.
Table 8: skin stratum corneum hydration levels of example 5 and comparative examples 13-15 (a.u)
| Time | 0h | 0.5h | 1h | 2h | 4h | 8h |
| Comparative example 13 | 22.29 | 60.04 | 60.85 | 59.26 | 53.22 | 45.23 |
| Comparative example 14 | 22.13 | 60.13 | 60.96 | 59.37 | 53.54 | 45.67 |
| Comparative example 15 | 22.46 | 60.36 | 60.05 | 59.58 | 53.89 | 46.16 |
| Example 5 | 22.33 | 64.02 | 65.08 | 62.84 | 59.09 | 52.56 |
Table 9: skin transdermal water loss ratio (g/m) of example 5 and comparative examples 13 to 152h)
| Time | 0h | 0.5h | 1h | 2h | 4h | 8h |
| Comparative example 13 | 8.12 | 4.46 | 4.25 | 4.58 | 5.68 | 6.15 |
| Comparative example 14 | 8.53 | 4.52 | 4.31 | 4.61 | 5.77 | 6.32 |
| Comparative example 15 | 8.47 | 4.39 | 4.18 | 4.55 | 5.75 | 6.12 |
| Example 5 | 8.69 | 3.33 | 3.24 | 3.79 | 4.72 | 5.75 |
As can be seen from the results of the moisturizing tests of the moisturizing emulsions in tables 8 and 9, the moisturizing emulsion prepared from natural squalane has a more significant effect in the aspect of rapid moisturizing, and meanwhile, squalane derived from natural plants has a better barrier repairing effect in practical application, and as can be seen from the data of comparative examples 13 to 15 and the test data of example 5, compared with the data of 0.5h and 8h, the moisturizing emulsion prepared from natural squalane in example 5 can form a more stable film on the skin surface and reduce the volatilization of moisture after moisturizing compared with vegetable oils and synthetic oils similar to olive oil, sweet almond oil, synthetic squalane, and the like; therefore, the natural squalane is replaced by other similar vegetable oil and synthetic oil in the invention, and the synergistic effect with the tremella extract, the betaine and the D-panthenol cannot be realized.
Particularly, the moisturizing cosmetic is prepared into cosmetics of other formulations, such as moisturizing water, moisturizing essence, moisturizing gel and the like, and the cosmetics of other formulations have the same effect as the effect proved by the embodiment within the range of the mixture ratio disclosed by the invention.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. The moisturizing composition is characterized by comprising the following components in parts by weight:
natural squalane: 0.5-3 parts;
white fungus extract: 1-4 parts;
betaine: 0.5-3 parts;
d-panthenol: 0.5-2 parts.
2. The moisturizing composition of claim 1, comprising, in parts by weight:
natural squalane: 1-2.5 parts;
white fungus extract: 2-3 parts of a solvent;
betaine: 1-3 parts;
d-panthenol: 1-2 parts.
3. A moisturizing composition according to claim 1 or 2, characterized by consisting of, in parts by weight:
natural squalane: 2 parts of (1);
white fungus extract: 3 parts of a mixture;
betaine: 3 parts of a mixture;
d-panthenol: and 2 parts.
4. Use of a moisturizing composition according to any of claims 1 to 3 for the preparation of a cosmetic product, characterized in that the weight fraction of the moisturizing composition in the cosmetic product is between 2.5 and 13% in weight percentage.
5. The use according to claim 4, wherein the cosmetic product further comprises from 87 to 97.5% by weight of a cosmetic adjuvant.
6. Use according to claim 5, wherein the cosmetic adjuvants are selected from one or more of emulsifiers, emollients, solubilizers, thickeners, skin conditioning agents, moisturizing stabilizers, preservatives, chelating agents, fragrances, water.
7. Use according to claim 6, characterized in that the emulsifier is selected from one or more of polysorbate-60, sorbitan stearate, glyceryl stearate, PEG-100 stearate, sodium stearyl glutamate, potassium cetyl phosphate, ceteareth-20, PEG-20 methyl glucose sesquistearate, polyglycerol-3 methyl glucose distearate, coco glucoside, C20-22 alcohol phosphate, coco glucoside, glyceryl stearate citrate.
8. Use according to claim 6, characterized in that the emollient is selected from one or more of isopropyl palmitate, petrolatum, ethylhexyl palmitate, caprylic/capric triglyceride, cetyl palmitate, dimethicone, myristyl myristate, octyl methicone, tri (ethyl hexanoate) glyceride, pentaerythritol tetra (ethyl hexanoate), jojoba seed oil, olive oil, tridecyl trimellitate, octyldodecanol, shea butter, hydrogenated polyisobutene.
9. The use according to claim 6, wherein the moisturizing stabilizer is selected from one or more of glycerol, propylene glycol, butylene glycol, polyethylene glycol-8, dipropylene glycol;
the thickening agent is selected from one or more of carbomer sodium, xanthan gum, acryloyl dimethyl ammonium taurate/VP copolymer, hydroxyethyl cellulose, sodium polyacrylate, sodium acrylate/acryloyl dimethyl sodium taurate copolymer, ozokerite, white beeswax, microcrystalline wax, cetearyl alcohol, cetyl alcohol and behenyl alcohol.
10. The use of claim 6, wherein the preservative is selected from one or more of methylparaben, propylparaben, phenoxyethanol, chlorphenesin, bis (hydroxymethyl) imidazolidinyl urea, methylisothiazolinone, and combinations thereof;
the essence is selected from one or more of faint scent essence, floral essence, fruity essence and composite scent essence.
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