Compositions, cosmetic for sun protection

Abstract

The application relates to the field of cosmetics, in particular to a composition for sun protection, cosmetics. A composition for sun protection, the composition comprises, in percentage by mass: 0.01%-15% of whole human collagen, 0.01%-5% of melanin, 0.2%-5% of tocopheryl acetate, and 0.1%-20% of super-molecular cotton flower. The composition for sun protection provided in the application can improve the sun protection effect to a certain extent through compounding the whole human collagen, the melanin, the tocopheryl acetate and the super-molecular cotton flower according to the above-mentioned proportion and the mutual synergistic effect among the components. The composition for sun protection is applied to cosmetics, the same sun protection effect (SPF value, PFA value) can be achieved while effectively reducing the addition amount of the sunscreen in the cosmetics; thus, the stimulation of the sunscreen in the cosmetics to the skin and the human body can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cosmetics, in particular, a composition for sun protection, cosmetics. BACKGROUND

[0002] With the thinning of the ozone layer, the skin is easily affected by the adverse effects of ultraviolet light, which can cause skin to produce fine lines, wrinkles and other signs of aging; affected by ultraviolet light, the skin can also appear peeling, redness, rash, itching, and dark spots. Therefore, skin sun protection is increasingly valued.

[0003] The market also puts forward higher requirements for sun protection. However, some sun protection cosmetics currently have the problem of skin irritation. SUMMARY

[0004] The purpose of the embodiments of the present application is to provide a composition for sun protection, cosmetics.

[0005] The first aspect of the present application provides a composition for sun protection, which comprises, in mass percentage:

[0006] 0.01% to 15% of whole human collagen, 0.01% to 5% of melanin, 0.2% to 5% of tocopheryl acetate, and 0.1% to 20% of super-molecular cotton flower.

[0007] The inventors found that in order to achieve a higher sun protection effect, the conventional method is to increase the amount of sunscreen added in sun protection cosmetics; however, the increase in the amount of sunscreen added will cause irritation to the skin and even the human body.

[0008] Based on the above understanding, the composition for sun protection provided by the present application can improve the sun protection effect to a certain extent by compounding whole human collagen, melanin, tocopheryl acetate, and super-molecular cotton flower in the above proportions, and synergistically between the components. The composition for sun protection described above can be applied to cosmetics, which can effectively reduce the amount of sunscreen added in the cosmetics while achieving the same sun protection effect (SPF value, PFA value); thereby effectively reducing the irritation of sunscreen in cosmetics to the skin and the human body.

[0009] Further, the composition for sun protection described above not only improves the sun protection effect, but also has the effect of increasing the skin barrier and enhancing the light tolerance of the skin, thereby further reducing the irritation to the skin.

[0010] In other embodiments of the present application, the composition comprises:

[0011] 0.1-15% of the whole human collagen, 0.05-5% of the melanin, 0.2-5% of the tocopheryl acetate, and 0.5-15% of the super-molecular cotton flower.

[0012] In other embodiments of the present application, the composition comprises:

[0013] 0.5-15% of the whole human collagen, 0.05-5% of the melanin, 0.5-5% of the tocopheryl acetate, and 0.5-15% of the super-molecular cotton flower.

[0014] In other embodiments of the present application, the whole human collagen comprises: water, glycerol, sodium dihydrogen phosphate, disodium hydrogen phosphate, and soluble collagen.

[0015] In other embodiments of the present application, the melanin comprises animal melanin or plant melanin.

[0016] In other embodiments of the present application, the main active substance of the super-molecular cotton flower is cotton flower extract.

[0017] In other embodiments of the present application, the mass ratio of the tocopheryl acetate and the super-molecular cotton flower is 0.01-50; optionally, the mass ratio of the tocopheryl acetate and the super-molecular cotton flower is 0.08-4.

[0018] In a second aspect, the present application provides a cosmetic product comprising the composition for sunscreen provided in the first aspect.

[0019] In other embodiments of the present application, the cosmetic product further comprises a sunscreen agent, and the content of the sunscreen agent in the cosmetic product is not higher than 15.5% by mass percentage.

[0020] In other embodiments of the present application, the SPF value of the cosmetic product is not lower than 39.5, and the PFA value of the cosmetic product is not lower than 10.8. DETAILED DESCRIPTION

[0021] In order to make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0022] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts, fall within the scope of protection of the present application.

[0023] The present application provides a composition for sunscreen, which comprises, by mass percentage:

[0024] 0.01% to 15% of the whole human collagen, 0.01% to 5% of the melanin, 0.2% to 5% of the tocopheryl acetate, and 0.1% to 20% of the super-molecular cotton flower.

[0025] The composition for sun protection provided in the present application can improve the sun protection effect to a certain extent by compounding the whole human collagen, the melanin, the tocopheryl acetate, and the super-molecular cotton flower according to the above-mentioned proportions and synergistically between the components. The composition for sun protection described above can be applied to cosmetics, which can effectively reduce the addition amount of sunscreen in the cosmetics while achieving the same sun protection effect (SPF value, PFA value); thus, the irritation of the sunscreen in the cosmetics to the skin and the human body can be effectively reduced.

[0026] Further, in the technical solution described above, the composition for sun protection can not only improve the sun protection effect, but also has the effect of increasing the skin barrier and enhancing the light tolerance of the skin, thereby further reducing the irritation to the skin.

[0027] Further optionally, in some embodiments of the present application, the composition comprises:

[0028] 0.1% to 15% of the whole human collagen, 0.05% to 5% of the melanin, 0.2% to 5% of the tocopheryl acetate, and 0.5% to 15% of the super-molecular cotton flower.

[0029] Further optionally, in some embodiments of the present application, the composition comprises:

[0030] 0.5% to 15% of the whole human collagen, 0.05% to 5% of the melanin, 0.5% to 5% of the tocopheryl acetate, and 0.5% to 15% of the super-molecular cotton flower.

[0031] Exemplarily, in some embodiments of the present application, the composition comprises:

[0032] 0.5%, 0.8%, 1%, 5%, 10%, 12%, 15%, or a range between any two of the foregoing values of the whole human collagen;

[0033] 0.05%, 0.08%, 0.1%, 0.15%, 0.2%, 0.3%, 0.4%, 5%, or a range between any two of the foregoing values of the melanin;

[0034] 0.5%, 0.8%, 1%, 2%, 3%, 4%, 5%, or a range between any two of the foregoing values of the tocopheryl acetate;

[0035] 0.5%, 0.8%, 1%, 5%, 10%, 12%, 13%, 15%, or a range between any two of the aforementioned values, super-molecular kapok flowers.

[0036] Further, in some embodiments of the present application, the whole human collagen comprises: water, glycerol, sodium dihydrogen phosphate, disodium hydrogen phosphate, soluble collagen.

[0037] The composition for sun protection of the present application, by compounding the whole human collagen, not only helps to reduce the degree of darkening under the sun exposure, but also has a moisturizing effect on the skin.

[0038] The whole human collagen in the composition for sun protection of the present application contains a large number of carboxyl groups and hydroxyl amino acids, such as hydroxyproline, hydroxylysine, and a large number of natural moisturizing factors such as glycine, which have a good moisturizing effect on the skin, can well protect the skin from damage due to excessive evaporation of water under sun exposure, and can promote the growth, division, and proliferation of skin cells, have a good skin wound repair effect, and the collagen is rich in tyrosine residues, which can compete with tyrosinase to inhibit the production of melanin and reduce the degree of darkening under sun exposure. The composition for sun protection of the present application, by compounding the whole human collagen, can effectively reduce the degree of darkening under sun exposure and improve the sun protection effect.

[0039] Further, the collagen of the present application is whole human collagen, which has little skin irritation, good biocompatibility, good skin affinity, and no rejection reaction. The composition for sun protection of the present application, by compounding the whole human collagen, has little skin irritation.

[0040] Further, in some embodiments of the present application, the melanin is a fermented melanin. For example, a fermented melanin obtained by yeast fermentation extraction of a plant containing melanin. Further optionally, the plant containing melanin includes agaric, mushroom, etc.

[0041] The above-mentioned yeast fermentation extraction can use a conventional yeast fermentation process in the art; and the fermentation product can be extracted by using a conventional extraction process in the art.

[0042] The composition for sun protection of the present application, by compounding the melanin, can effectively absorb ultraviolet rays and play a sun protection role.

[0043] Melanin is a black-brown pigment existing in plants and animals, which is generated by a special cell, i.e. melanocyte, and stored therein. It is due to the presence of melanin that the skin has color and can strongly absorb ultraviolet rays, greatly reducing the damage of ultraviolet rays to DNA, like a small sun umbrella for DNA. The composition for sun protection of the present application, by compounding the melanin, can effectively improve the sun protection effect.

[0044] Further, melanin can also eliminate free radicals, providing double protection for skin cells. The composition for sunscreen of the present application can effectively improve the protective effect of the skin and improve the sunscreen effect by compounding melanin.

[0045] Further, in some embodiments of the present application, the main active substance of the supermolecular kapok flower is kapok flower extract, flavonoids.

[0046] The supermolecular kapok flower compounded in the composition of the present application can better exert the efficacy of the active substance, thereby being more conducive to the antioxidant efficacy of the composition for sunscreen of the present application.

[0047] Further, in some embodiments of the present application, the mass ratio of tocopheryl acetate and supermolecular kapok flower is 0.01-50.

[0048] Further, in some embodiments of the present application, the mass ratio of tocopheryl acetate and supermolecular kapok flower is 0.08-4.

[0049] The tocopheryl acetate and supermolecular kapok flower compounded in the composition for sunscreen of the present application can produce a synergistic effect by synergistic antioxidant and free radical scavenging.

[0050] Tocopheryl acetate is lipophilic, which helps to improve skin inflammation, dryness, roughness, and chapping; supermolecular kapok flower is hydrophilic, and the main component is kapok flower flavonoids, which has antioxidant and free radical scavenging effects while inhibiting inflammatory factor IL-6, and has good soothing effect. The composition for sunscreen of the present application compounds the two, which greatly produces a synergistic effect, can greatly reduce skin irritation while improving sunscreen effect.

[0051] Some embodiments of the present application provide a cosmetic product comprising the composition for sunscreen provided in any of the preceding embodiments.

[0052] The cosmetic product can achieve the same sunscreen effect (SPF value, PFA value) while reducing the amount of sunscreen added in the cosmetic product by compounding the composition for sunscreen described above; at the same time, it also has the effect of increasing the skin barrier and enhancing the light tolerance of the skin, which is conducive to improving the skin irritation resistance.

[0053] Further, in some embodiments of the present application, the cosmetic product further comprises a sunscreen agent, and the content of the sunscreen agent in the cosmetic product is not more than 15.5% by mass percentage.

[0054] Illustratively, in some embodiments of the present application, the content of the sunscreen agent in the cosmetic product described above is 14%, 14.5%, 15%, 15.1%, 15.2%, 15.3%, 15.4%, 15.5%, or a range between any two of the foregoing values.

[0055] Further, in some embodiments of the present application, the SPF value of the cosmetic product is not less than 39.5.

[0056] Exemplarily, in some embodiments of the present application, the SPF value of the cosmetic product is 39.5, 39.6, 39.7, 39.8, 39.9, 40, 41, 45, 50, etc.

[0057] Further, in some embodiments of the present application, the PFA value of the cosmetic product is not less than 10.8.

[0058] Exemplarily, in some embodiments of the present application, the PFA value of the cosmetic product is 10.8, 10.9, 11, 1.5 or 12, etc.

[0059] Further, in some embodiments of the present application, the aforementioned composition for sun protection can be added as a raw material ingredient to the cosmetic product, and produce certain effects in the cosmetic product.

[0060] Further optionally, in some embodiments of the present application, in the cosmetic product, the tocopheryl acetate in the aforementioned composition for sun protection can be used as an emollient to produce the effect of emollient; the whole human collagen, melanin and supramolecular kapok flower can be used as a conditioning agent, added to the cosmetic product to produce the effects of increasing the sun protection factor, increasing the skin barrier and enhancing the light tolerance of the skin.

[0061] Some specific examples are listed below to better illustrate the present application.

[0062]

Preparation of cosmetic product

[0063] The composition and ratio of the cosmetic product provided by each example or comparative example are shown in Table 1. The unit of each component in Table 1 is wt.%.

[0064] Table 1

[0065]

[0066]

[0067]

[0068] The cosmetic product provided by each example or comparative example is prepared according to the following preparation steps:

[0069] 1. Mix each raw material in Group A, and then heat to dissolve uniformly; obtain the mixture of Group A;

[0070] 2. Mix each raw material in Group B, and then heat to 85°C to obtain the mixture of Group B;

[0071] 3. Add the A group mixture prepared in step 1 to the B group mixture prepared in step 2, homogenize, and cool down while stirring;

[0072] 4. After cooling, add the C group raw materials and stir until uniform.

[0073]

Performance Test

[0074] The performance of the cosmetics prepared in each example and comparative example was tested.

[0075] Test of protective efficacy:

[0076] The samples corresponding to example 16 and comparative example 16 prepared by the aforementioned preparation process were tested.

[0077] The sun protection factor (SPF value) of each example or comparative example sample was determined according to the eighth chapter, second section of the 2015 edition of the "Cosmetic Safety Technical Specifications" for sunscreen cosmetics.

[0078] The PFA value (average value) of each example or comparative example sample was determined according to the detection method for ultraviolet A wave (i.e. UVA) protection index (PFA value) in the eighth chapter, fourth section of the 2015 edition of the "Cosmetic Safety Technical Specifications".

[0079] The test results are shown in Table 2:

[0080] Table 2

[0081]

[0082]

[0083] From the test results in Table 2, it can be seen that:

[0084] The cosmetic raw materials of comparative examples 1-6 do not add or partially add the sunscreen composition (full human collagen, melanin, tocopheryl acetate, and supermolecular cotton flower combined compound) of the present application. Compared with examples 1-6, the sunscreen effect of comparative examples 1-6 is significantly reduced. Therefore, it can be known that the addition of the sunscreen composition of the above full human collagen, melanin, tocopheryl acetate, and supermolecular cotton flower combined compound of the present application has a significant synergistic effect on improving the sunscreen SPF value and PFA value of the cosmetic.

[0085] The embodiments described above are only part of the embodiments of the present application, rather than all the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

Claims

1. A composition for enhancing the sun protection factor of a sunscreen, characterized in that, The composition comprises, in percentage by mass: 0.01%~15% of the whole human collagen, 0.01%~5% of the melanin, 0.2%~5% of the tocopheryl acetate, and 0.1%~20% of the super-molecular cotton flower; the super-molecular cotton flower is an extract of the cotton flower with the main active substance being the cotton flower flavonoids.

2. The composition for improving the sunscreen effect of a sunscreen agent according to claim 1, characterized by, The composition comprises: 0.1%~15% of the whole human collagen, 0.05%~5% of the melanin, 0.2%~5% of the tocopheryl acetate, and 0.5%~15% of the super-molecular cotton flower.

3. The composition for improving the sunscreen effect of a sunscreen agent according to claim 1, characterized by, The composition comprises: 0.5%~15% of the whole human collagen, 0.05%~5% of the melanin, 0.5%~5% of the tocopheryl acetate, and 0.5%~15% of the super-molecular cotton flower.

4. The composition for improving the sunscreen effect of a sunscreen agent according to any one of claims 1-3, wherein the whole human collagen comprises water, glycerol, sodium dihydrogen phosphate, disodium hydrogen phosphate, and soluble collagen.

5. The composition for improving the sunscreen effect of a sunscreen agent according to any one of claims 1-3, wherein the melanin is a fermented extract of melanin.

6. The composition for improving the sunscreen effect of a sunscreen agent according to any one of claims 1-3, wherein the mass ratio of the tocopheryl acetate to the super-molecular cotton flower is 0.01~50.

7. The composition for improving the sunscreen effect of a sunscreen agent according to any one of claims 1-3, wherein the mass ratio of the tocopheryl acetate to the super-molecular cotton flower is 0.08~4. The composition for improving the sunscreen effect of a sunscreen agent according to any one of claims 1-7; The cosmetic further comprises a sunscreen agent, and the content of the sunscreen agent in the cosmetic is not higher than 15.5% in percentage by mass.

9. The cosmetic according to claim 8, wherein the SPF value of the cosmetic is not lower than 39.5, and the PFA value of the cosmetic is not lower than 10.

8. ​ 8. A cosmetic product, characterized by, ​ ​ ​ ​

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