Composition and cosmetics containing the same

By using compositions of ektoin, jasmine leaf cell extract and desert rose leaf cell extract, the shortcomings of existing cosmetics in antioxidant and anti-photoaging are solved, and significant anti-oxidant and anti-photoaging effects are achieved.

CN117159400BActive Publication Date: 2025-05-23HANGZHOU HUANINGXIANG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202310971943.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-02
Publication Date
2025-05-23
Estimated Expiration
2043-08-02

AI Technical Summary

Technical Problem

Existing cosmetics are difficult to effectively antioxidant and anti-photoaging, especially compositions that utilize natural ingredients are rare.

Method used

Provided is a composition composed of ektoin, jasmine leaf cell extract and desert rose leaf cell extract. These natural ingredients work together to exert the dual effects of antioxidant and anti-photoaging.

Benefits of technology

This composition significantly improves the antioxidant and anti-photoaging properties of skin cells, can effectively protect the skin against external pressure and slow down the photoaging process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a composition and a cosmetic comprising the composition. The composition comprises ectoine, jasmine leaf cell extract and desert rose leaf cell extract. These components are all natural ingredients, safe and non-irritating, and can cooperate with each other to exert satisfactory dual effects of anti-oxidation and anti-photoaging. The composition can be added to cosmetics, such as makeup products or skin care products, as a functional unit to protect the skin from external pressure and external damage.
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Description

Technical Field

[0001] The present invention relates to the field of cosmetics, in particular to a composition comprising natural ingredients and cosmetics comprising the composition. Background Art

[0002] As the first line of defense of the body, the skin plays an important role in resisting various external insults, maintaining the homeostasis of the internal environment, and ensuring the physiological functions of the body. However, skin aging occurs in two forms, namely intrinsic aging and exogenous aging. Intrinsic aging is the natural aging of the skin due to aging and the decline of cell metabolism in the body; exogenous aging is the aging of the skin caused by external environmental factors. Photoaging is the main form of exogenous skin aging. The main culprit of photoaging is ultraviolet rays, which cause skin aging. Specifically, when ultraviolet rays in the UVB and UVA bands reach the dermis of the skin, the skin barrier is damaged, free radicals are generated, skin oxidation is accelerated, and skin aging occurs; the skin loses moisture faster, and the skin becomes rough, dry and flaky: collagen and elastin are damaged, which accelerates the loss of collagen, and the skin will have wrinkles, sagging and other problems.

[0003] In order to slow down the aging process of skin aging, cosmetics need to have the ability of anti-oxidation and anti-photoaging. At present, compositions (such as cosmetics) that use natural ingredients as raw materials and can play the dual functions of anti-oxidation and anti-photoaging are relatively rare. Therefore, it is necessary to develop new natural ingredients with dual functions of anti-oxidation and anti-photoaging. Summary of the invention

[0004] To this end, the present invention provides a composition, wherein the composition is composed entirely of natural ingredients, and the natural ingredients can synergistically exert the dual effects of anti-oxidation and anti-photoaging. The present invention also provides cosmetics made from the composition.

[0005] A first aspect of the present invention provides a composition comprising ectoine, jasmine leaf cell extract and desert rose leaf cell extract.

[0006] In one embodiment, the ratio of ectoine: jasmine leaf cell extract: desert rose leaf cell extract is 1-6:1:1 by weight.

[0007] In a preferred embodiment, the ratio of ectoine: jasmine leaf cell extract: desert rose leaf cell extract is 2-4:1:1 by weight.

[0008] In a most preferred embodiment, the ratio of ectoine: jasmine leaf cell extract: desert rose leaf cell extract is 3:1:1 by weight.

[0009] In any of the above embodiments, ectoine, jasmine leaf cell extract and desert rose leaf cell extract are all in the form of lyophilized products.

[0010] A second aspect of the present invention provides a cosmetic comprising the composition according to any one of the above embodiments.

[0011] In a preferred embodiment, the cosmetic comprises 0.05 to 2.0 parts by weight, preferably 0.1 to 1.0 parts by weight of the above composition.

[0012] In one embodiment, the cosmetic is a makeup product or a skin care product.

[0013] In a specific embodiment, the cosmetic is loose powder.

[0014] In one embodiment, the loose powder further comprises 80 to 90 parts by weight of a skin feel regulator, 0.5 to 2 parts by weight of a preservative, and 0.5 to 10 parts by weight of a skin conditioning agent. Preferably, the skin feel regulator is at least one of natural silica, vinyl polydimethylsiloxane / polymethylsiloxane silsesquioxane crosspolymer, natural mica, synthetic fluorphlogopite, sodium calcium aluminum silicate, lauroyl lysine, boron nitride, zinc oxide, hydroxyapatite, silica silylate, and nylon. Preferably, the preservative is at least one of phenoxyethanol, ethylhexylglycerin, and caprylyl glycol. Preferably, the skin conditioning agent is at least one of polydimethylsiloxane and squalane.

[0015] In a specific embodiment, the loose powder comprises, by weight: 0.1 wt% to 1 wt% of the above composition, 20 wt% to 50 wt% of silica, 8 wt% to 20 wt% of vinyl dimethicone / dimethicone silsesquioxane cross-linked polymer, 1 wt% to 15 wt% of synthetic fluorphlogopite, 1 wt% to 20 wt% of polymethylsilsesquioxane, 1 wt% to 10 wt% of lauroyl lysine, 1 wt% to 5 wt% of boron nitride, 1 wt% to 10 wt% of dimethicone, 0.1 wt% to 20 wt% of mica, 0.1 wt% to 5 wt% of zinc oxide, 1 wt% to 5 wt% of hydroxyapatite, 0.1 wt% to 1 wt% of phenoxyethanol, and 1 wt% to 5 wt% of caprylic / capric triglyceride. Preferably, the loose powder comprises: 0.4 wt% to 1 wt% of the above composition.

[0016] The ectoine, jasmine leaf cell extract and desert rose leaf cell extract included in the composition of the present invention are all natural ingredients, safe and non-irritating, and can cooperate with each other to exert satisfactory dual effects of anti-oxidation and anti-photoaging. The composition can be added to cosmetics, such as makeup products or skin care products, as a functional unit to protect the skin from external pressure and external damage. DETAILED DESCRIPTION

[0017] The following will be combined with the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0018] Throughout the specification, unless otherwise specifically stated, the terms used herein should be understood as meanings commonly used in the art. Therefore, unless otherwise defined, all technical and scientific terms used herein have the same meanings as those generally understood by those skilled in the art. In the event of a conflict, this specification takes precedence.

[0019] It should be noted that in the present disclosure, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a method or device including a series of elements includes not only the elements explicitly stated, but also other elements not explicitly listed, or also includes elements inherent to the implementation of the method or device. In the absence of further restrictions, an element defined by the sentence "comprising..." does not exclude the presence of other related elements in the method or device including the element.

[0020] Ultraviolet radiation is the most important exogenous environmental factor that causes skin damage and aging. It can easily induce physiological effects such as inflammation, oxidative stress (oxidative stress occurs when the amount of free radicals produced is greater than the body's ability to clear them, which may cause serious damage to the cell structure), DNA damage, and even destroy the active structure of collagen and elastin, which manifests itself in skin redness, pigmentation, sagging, and fine lines.

[0021] Natural ingredients are usually less irritating to the skin and are relatively gentle and safe, but natural ingredients that can be used in cosmetics and have the dual effects of antioxidant and anti-photoaging are relatively rare.

[0022] To this end, the present invention provides a composition, wherein the natural ingredients included in the composition can synergistically act with each other to exert the dual effects of anti-oxidation and anti-photoaging. Specifically, the composition includes ectoine, jasmine leaf cell extract and desert rose leaf cell extract.

[0023] The term "Ectoin" refers to a compound with the chemical name of tetrahydromethylpyrimidine carboxylic acid. It is a natural ingredient produced by halophilic bacteria (such as Halomonas Elongata). It can protect halophilic bacteria from damage in extreme conditions of high salt, high temperature and high ultraviolet radiation (such as deserts, saline-alkali land, salt lakes, seawater and other environments), and has excellent stability and protection. Ectoin has the effect of moisturizing the skin and repairing photodamage.

[0024] The term "jasmine leaf cell extract" refers to an ingredient extracted from the leaf cell culture of jasmine (Jasminum Sambac). Because jasmine leaf cells have a biphospholipid structure similar to human cells, the extract increases the ability of plant cell active ingredients to penetrate into the skin and improves the bioavailability of the active ingredients. Jasmine leaf cell extract also has a certain mitochondrial DNA repair effect.

[0025] The term "desert rose leaf cell extract" refers to a component extracted from the leaf cell culture of Adenium Obesum. The desert rose leaf cell extract has a strong water retention effect and a certain effect of inhibiting the generation of free radicals.

[0026] As mentioned above, Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract have certain cell repair effects respectively. When used in combination, it is surprisingly found that a more significant synergistic effect is achieved in terms of anti-oxidation and anti-photoaging. As confirmed by the following examples, the three are mutually synergistic, and the anti-oxidation and anti-photoaging effects are significantly improved relative to each individual component. Without being bound by theory, the synergistic effect may be related to the following mechanism. Ecdoin helps to reduce ROS (reactive oxygen) and RCS (reactive carbonyl substances produced by lipid oxidation) produced by skin cells due to ultraviolet rays, reduces protein carbonylation, and helps to increase the content of heat shock proteins (such as HSP70) and improves the resistance of cells. Ecdoin also helps to protect mitochondrial DNA and reduce the degree of DNA damage. Among them, the synthesis of heat shock protein (HSP70) requires RNA and amino acids in the cell matrix. Jasmine leaf cell extract, on the one hand, helps to repair DNA, and works together with Ecdoin to further protect DNA. On the other hand, jasmine leaf cell extract helps to enhance information exchange between cells, promotes the transport of nutrients (such as amino acids) in RNA and intercellular matrix, and further promotes the content of heat shock proteins, and also promotes the synthesis of collagen, elastin and polysaccharides in the extracellular matrix (ECM), thereby maintaining the stability and elasticity of cells. After the cells receive signals (such as external signals and cell signals promoted by jasmine leaf cell extract), desert rose leaf cell extract can promote epidermal cell differentiation and proliferation (including RNA replication) to replenish lost cells and maintain a stable cell number. Desert rose leaf cell extract also helps to increase the synthesis of glycosaminoglycans (such as hyaluronic acid) in the dermis, so that water can be transported from the dermis to the epidermis without hindrance, enhance the compressive resistance of the extracellular matrix, and promote stress protection against external environments (such as ultraviolet rays). As a result, the three natural components synergistically improve the antioxidant and anti-photoaging properties of skin cells.

[0027] In addition, ectoine, jasmine leaf cell extract and desert rose leaf cell extract are all of natural origin and are commercially available. They are safe and have no side effects. They are suitable for sensitive skin and even the skin of pregnant women.

[0028] According to some embodiments, in the composition, by weight, ectoine: jasmine leaf cell extract: desert rose leaf cell extract = 1 to 6: 1: 1. On the one hand, when the proportion of ectoine is too low, the antioxidant property of the composition is poor; on the other hand, when the proportion of ectoine is too high, the cost of the composition is too high, and the powder is not fine enough, affecting the skin feel.

[0029] According to some preferred embodiments, in the composition, by weight, Ecdoin: jasmine leaf cell extract: desert rose leaf cell extract = 2 to 4: 1: 1. According to the most preferred embodiment, in the composition, by weight, Ecdoin: jasmine leaf cell extract: desert rose leaf cell extract = 3: 1: 1. Within this preferred range, the anti-photoaging and antioxidant properties of the composition are further improved.

[0030] According to some preferred embodiments, in the composition, Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract are all present in the form of lyophilized products. For example, conventional lyophilization technology can be used to process Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract in liquid form to obtain the lyophilized products of the above three active substances.

[0031] The preparation method of the composition may include uniformly mixing ectoine, jasmine leaf cell extract and desert rose leaf cell extract to obtain the composition. The present disclosure has no particular limitation on the preparation method of the composition.

[0032] Compared with the liquid form, the lyophilized ekotoin, jasmine leaf cell extract and desert rose leaf cell extract can be added to oily cosmetics, such as makeup products (such as loose powder) in addition to water-based cosmetics. The inventors found that the composition in the form of a lyophilized product is easy to be evenly mixed with the ingredients of makeup such as loose powder, and can be stably stored in high and low temperature environments, thereby solving the problem that these ingredients are difficult to add to oily products due to poor compatibility. These natural ingredients can also synergistically exert the dual effects of anti-oxidation and anti-photoaging.

[0033] Therefore, the present invention also provides a cosmetic comprising the composition in any one of the above embodiments. According to some embodiments, the cosmetic comprises 0.05 to 2.0 parts by weight, preferably 0.1 to 1.0 parts by weight of the above composition. On the one hand, when the content of the composition is too low, the anti-oxidation and anti-photoaging effects cannot meet the requirements; on the other hand, when the content of the composition is too high, the properties of the cosmetic such as fineness or the feeling of use when applied to the skin will be affected, and the price of the cosmetic will increase.

[0034] Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract are all hydrophilic substances. In some embodiments, the composition is applied to aqueous system (or aqueous solution system) cosmetics, such as skin care products, with good compatibility. In some embodiments, the composition, especially when each component is provided in a lyophilized form, can also be applied to cosmetics of an oily system. Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract provided in a lyophilized form are well compatible with oily cosmetics and have good stability and shelf life. Cosmetics to which the composition is added have an enhanced protective effect on the skin.

[0035] The cosmetic is, for example, loose powder. Loose powder also includes conventional components in conventional amounts. The present disclosure does not particularly limit the components and amounts of the cosmetic itself, as long as these components have no adverse effects on the composition. Exemplarily, in addition to the above composition, the loose powder also includes, by weight: 80 to 90 parts by weight of a skin feel regulator, 0.5 to 2 parts by weight of a preservative, and 0.5 to 10 parts by weight of a skin conditioner. Exemplarily, the skin feel regulator is at least one of natural silica, vinyl dimethicone / polymethicone silsesquioxane cross-polymer, natural mica, synthetic fluorphlogopite, sodium calcium aluminum silicate, lauroyl lysine, boron nitride, zinc oxide, hydroxyapatite, silica silylate, and nylon. The preservative is at least one of phenoxyethanol, ethylhexylglycerin, and caprylyl glycol. The skin conditioner is at least one of dimethicone and squalane.

[0036] According to a specific embodiment, the loose powder comprises: 0.1wt% to 1wt% of the above composition, 20wt% to 50wt% of silica, 8wt% to 20wt% of vinyl dimethicone / dimethicone silsesquioxane cross-linked polymer, 1wt% to 15wt% of synthetic fluorphlogopite, 1wt% to 20wt% of polymethylsilsesquioxane, 1wt% to 10wt% of lauroyl lysine, 1wt% to 5wt% of boron nitride, 1wt% to 10wt% of dimethicone, 0.1wt% to 20wt% of mica, 0.1wt% to 5wt% of zinc oxide, 1wt% to 5wt% of hydroxyapatite, 0.1wt% to 1wt% of phenoxyethanol, and 1wt% to 5wt% of caprylic acid / capric triglyceride. Preferably, the loose powder comprises: 0.4wt% to 1wt% of the above composition.

[0037] The above loose powder has improved antioxidant and photoaging resistance, which enhances its protective efficacy.

[0038] The present invention will be further described in detail below in conjunction with specific embodiments, which are merely illustrative and are not intended to limit the scope of the present disclosure.

[0039] Examples 1 to 6 and Comparative Examples 1 to 4

[0040] According to the ratio in Table 1 below, ectoine, jasmine leaf cell extract and desert rose leaf cell extract were mixed evenly to prepare the compositions of Examples 1 to 6 and Comparative Example 4, and appropriate amounts of each were taken as samples. Appropriate amounts of ectoine, jasmine leaf cell extract and desert rose leaf cell extract were used as samples of Comparative Examples 1 to 3.

[0041] Table 1 Compositions of the compositions of Examples 1 to 6 and Comparative Examples 1 to 4

[0042]

[0043] In the table, A represents ectoine; B represents jasmine leaf extract; and C represents desert rose extract.

[0044] Test Example 1 Antioxidant test

[0045] The skin of zebrafish is also divided into several parts, such as the epidermis, dermis, and subepidermis, just like human skin. The skin development is also very similar to that of human skin. Therefore, the safety and efficacy of cosmetics can be evaluated through the zebrafish model. The gradual aging of human skin is due to the long-term oxidative effect of reactive oxygen free radicals on the skin. Cosmetics with antioxidant activity can remove free radicals on the surface of the skin. The ability of cosmetics and their raw materials to remove free radicals (antioxidant properties) can be effectively evaluated using zebrafish. Menadione can produce reactive oxygen free radicals. When the amount of free radicals produced is greater than the body's ability to remove them, an oxidative stress reaction occurs. The fluorescence intensity of the zebrafish yolk sac is used to evaluate the antioxidant effect of the raw materials.

[0046] The zebrafish to be tested were divided into a normal control group, a model control group and an experimental group, with 10 fish in each group. The incubation environment of the normal control group was not treated in any way. The incubation environments of the model control group and the experimental group were both added with an equal amount of menadione. The incubation environment of the experimental group was added with menadione, and 0.1% of the samples prepared in Examples 1 to 6 and Comparative Example 4 and the samples of Comparative Examples 1 to 3 were added respectively.

[0047] After incubation for 24 hpf (i.e., 24 hours after fertilization of zebrafish), the whole body of zebrafish was subjected to specific fluorescent staining to observe the generation of reactive oxygen free radicals in the zebrafish yolk sac, and the antioxidant activity of the above samples was calculated according to the following formula, where M represents the fluorescence intensity of the zebrafish yolk sac (unit: pixel).

[0048]

[0049] According to the above test method, the samples prepared in Examples 1 to 6 and Comparative Example 4, as well as the samples of Comparative Examples 1 to 3 were divided into two groups, each group was controlled by a normal control group and a model control group, and the antioxidant properties were tested respectively. The results are shown in Tables 2 and 3 below.

[0050] Table 2 Antioxidant properties of samples prepared in Examples 1 to 6 and Comparative Example 4

[0051]

[0052] Table 3 Antioxidant properties of the samples prepared in Comparative Examples 1 to 3

[0053]

[0054] As can be seen from Tables 2 to 3, when Ecdoin, Jasmine leaf cell extract and Desert Rose leaf cell extract (Comparative Examples 1 to 3) are used alone, Ecdoin (Comparative Example 1) has the best antioxidant property. The antioxidant properties of the compositions prepared in Examples 1 to 6 are significantly improved compared to using Ecdoin alone. When Ecdoin: Jasmine leaf cell extract: Desert Rose leaf cell extract = 3:1:1 (Example 3), its antioxidant property is the best, which is about 70% higher than that of Comparative Example 1. The antioxidant property of Comparative Example 4 is only 16%, which is even lower than the effect of Ecdoin used alone, indicating that when Ecdoin is excessive, it may even have a counter-effect on the antioxidant properties of other ingredients. It can be seen that the Ecdoin, Jasmine leaf cell extract and Desert Rose leaf cell extract in the composition of the present invention can act synergistically to achieve better antioxidant properties.

[0055] Test Example 2 Light aging test

[0056] Zebrafish fins are similar to human limbs, and their skin structure is similar to that of humans. Ultraviolet damage to zebrafish will lead to a series of harmful physiological effects, which are manifested in the atrophy and reduction of the tail fin. The effective absorption of ultraviolet light by natural ingredients and compositions on the surface of zebrafish fin skin will prevent ultraviolet light from damaging the zebrafish fin skin. Therefore, zebrafish can be used to effectively evaluate the anti-photoaging properties of natural ingredients and compositions.

[0057] The zebrafish were divided into a normal control group, a model control group, and an experimental group, with 10 fish in each group, and incubated at 28°C in the dark for 2 h.

[0058] The normal control group was not treated, and the model control group and the test group were irradiated three times under ultraviolet light of the same wavelength distribution, each irradiation time was 15 minutes, and the time interval between two adjacent irradiations was 30 minutes. The zebrafish in the normal control group, the model control group, and the test group were incubated in the dark for 22 hours under dark conditions at 28°C. Among them, 0.1% of the samples prepared in Examples 1 to 6 and Comparative Example 4 and the samples of Comparative Examples 1 to 3 were added to the incubation environment of the zebrafish in the test group.

[0059] Then, the tail fins of the zebrafish were photographed, the tail fin area of ​​the zebrafish was measured, and the anti-photoaging property was calculated by the following formula, where N represents the tail fin area of ​​the zebrafish (pixel).

[0060]

[0061] According to the above test method, 4 groups were divided, each group was controlled by a normal control group and a model control group, and the light aging resistance of the samples prepared in Example 1, the samples prepared in Example 2, the samples prepared in Examples 3 to 6 and Comparative Example 4, and the samples of Comparative Examples 1 to 3 were tested respectively. The results are shown in Tables 4 to 7 below.

[0062] Table 4 Anti-light aging results of samples prepared in Example 1

[0063]

[0064] Table 5 Anti-light aging results of samples prepared in Example 2

[0065]

[0066] Table 6 Anti-light aging results of samples prepared in Examples 3 to 6 and Comparative Example 4

[0067]

[0068] Table 7 Anti-light aging results of samples prepared in Comparative Examples 1 to 3

[0069]

[0070] As can be seen from Tables 4 to 7, when Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract (Comparative Examples 1 to 3) are used alone, the best photoaging resistance is jasmine leaf cell extract (Comparative Example 2). The photoaging resistance of the compositions prepared in Examples 1 to 6 is improved compared with that of jasmine leaf cell extract. When Ecdoin: jasmine leaf cell extract: desert rose leaf cell extract = 3:1:1 (Example 3), its photoaging resistance is the best, which is 63% higher than that of Comparative Example 2. The photoaging resistance of Comparative Example 4 is only 13%, which is even lower than the effect of using jasmine leaf cell extract alone, indicating that when Ecdoin is excessive, it even has a counter-effect on the photoaging resistance of other components. It can be seen that the Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract in the composition of the present invention can work synergistically to achieve better photoaging resistance.

[0071] Example 7 and Comparative Example 5

[0072] Preparation method of loose powder

[0073] 80-90 parts by weight of skin feel regulator is placed in a high-speed pulverizer, and dispersed for 10 seconds twice at 25,000 r / min until a uniform powder is obtained. 0.5-2 parts by weight of preservative and 0.5-10 parts by weight of skin conditioner are heated at 80°C and poured into the high-speed pulverizer containing the above skin feel regulator, and dispersed for 10 seconds twice at 25,000 r / min until uniform and without visible oil spots. Discharge and sieve with a 120-mesh screen to prepare loose powder.

[0074] Natural silica, vinyl polydimethylsiloxane / polymethylsiloxane silsesquioxane crosspolymer, natural mica, synthetic fluorphlogopite, sodium calcium aluminum silicate, lauroyl lysine, boron nitride, zinc oxide, hydroxyapatite, and silica silylate are used as skin feel regulators; phenoxyethanol and ethylhexylglycerin are used as preservatives, polydimethylsiloxane is used as a skin conditioning agent, and triethoxycaprylylsilane is used as a surface treatment agent; according to the above method, the composition of Example 3 (all ingredients are freeze-dried products) and the skin feel regulator are added simultaneously to prepare the loose powder of Example 7.

[0075] The loose powder of Comparative Example 5 was prepared in the same manner as in Example 7, except that the composition of Example 3 was not contained in the formula.

[0076] The loose powder formulas of Example 7 and Comparative Example 5 are shown in Table 8 below.

[0077] Table 8 Loose powder formula of Example 7 and Comparative Example 5

[0078]

[0079]

[0080] Test Example 3 Stability Test

[0081] The prepared loose powder (Example 7) was divided into glass bottles, and its color, odor, appearance, makeup effect, pH, preservative index and microbial index were tested at room temperature (25°C) as a reference for the later test results (i.e., initial results). The glass bottles containing the samples (hereinafter referred to as: sample glass bottles) were sealed, and then tested separately according to the following test methods.

[0082] High and low temperature testing:

[0083] Place the sample glass bottles vertically in a thermostat at 45°C, 40°C, 25°C, 5°C and -18°C. During the test, take out the sample glass bottles, equilibrate to room temperature, and then test again. Test the color, smell, appearance, makeup effect and pH of each sample on the 7th, 14th, 28th, 56th and 84th days respectively; test the microbial index of each sample on the 84th day; test the preservative index of the samples taken from the thermostats at 45°C, 25°C and -18°C on the 84th day. Determine whether the test results are qualified.

[0084] High and low temperature cycle test:

[0085] Place the sample glass bottle vertically in a thermostatic chamber with a cycle temperature change. Each high and low temperature cycle includes 4 temperature sections, namely 45℃×24h, 25℃×24h, -18℃×24h and 25℃×12h. After each cycle, take out the sample, equilibrate to room temperature, and then test it. Test the color, smell, appearance, makeup effect, pH and microbial indicators of the sample respectively. Determine whether the test results are qualified.

[0086] Lighting test:

[0087] Open the lid of the sample glass bottle, cover the sample with a watch glass, and irradiate with D65 light. Take out the sample on the 7th, 14th, 28th, 56th and 84th days, and after equilibration to room temperature, test the color, smell, appearance, and makeup effect of each sample. Determine whether the test results are qualified.

[0088] The specific test results are summarized in Table 9.

[0089] Table 9 Stability test results

[0090]

[0091]

[0092] Among them, √ means qualified, and / means not tested.

[0093] As shown in the above table, the test results are all qualified, indicating that the combination of ectoine, jasmine leaf cell extract and desert rose leaf cell extract is well compatible with other components in the loose powder.

[0094] Test Example 4 Antioxidant test

[0095] According to the method described in Test 1, the antioxidant properties of the loose powders of Example 7 and Comparative Example 5 were tested. The results are shown in Table 10 below:

[0096] Table 10 Antioxidant properties of the samples prepared in Example 7 and Comparative Example 5

[0097]

[0098] As can be seen from the above table, compared with Comparative Example 5 in which no composition is added, the antioxidant property of Example 7 is 16%, which is significantly better than Comparative Example 5.

[0099] Test Example 5 Light aging resistance test

[0100] According to the method described in Test 1, the light aging resistance of the loose powder of Example 7 and Comparative Example 5 was tested. The results are shown in Table 11 below:

[0101] Table 11 Light aging resistance results of the samples prepared in Example 7 and Comparative Example 5

[0102]

[0103] As can be seen from the above table, compared with Comparative Example 5 in which no composition is added, the antioxidant property of Example 7 is 15%, which significantly improves the protective effect of the loose powder.

[0104] It can be seen that the composition can be added to cosmetics, such as loose powder, as a functional unit to protect the skin from external pressure and from external damage.

[0105] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention.

Claims

1. A composition comprising ectoine, jasmine leaf cell extract and desert rose leaf cell extract, in, By weight, ectoine: jasmine leaf cell extract: desert rose leaf cell extract = 1 to 6: 1:

1.

2. The composition according to claim 1, in, By weight, the ratio of ectoine: jasmine leaf cell extract: desert rose leaf cell extract is 2-4:1:

1.

3. The composition according to claim 1, in, By weight, ectoine: jasmine leaf cell extract: desert rose leaf cell extract = 3:1:

1.

4. The composition according to any one of claims 1 to 3, in, Ecdoin, jasmine leaf cell extract and desert rose leaf cell extract are all in the form of lyophilized products.

5. A cosmetic product, in, The cosmetic comprises the composition according to any one of claims 1 to 4.

6. The cosmetic according to claim 5, in, Based on 100 parts by weight of the cosmetic, the cosmetic comprises 0.05 parts by weight to 2.0 parts by weight of the composition.

7. The cosmetic according to claim 5, in, Based on 100 parts by weight of the cosmetic, the cosmetic includes 0.1 to 1.0 parts by weight of the composition.

8. The cosmetic according to any one of claims 5 to 7, in, The cosmetics are makeup products or skin care products.

9. The cosmetic according to claim 8, in, The cosmetic is loose powder.

10. The cosmetic according to claim 9, in, The loose powder also includes: 80 to 90 parts by weight of a skin feel regulator; 0.5 to 2 parts by weight of a preservative; and 0.5 to 10 parts by weight of skin conditioning agent.

11. The cosmetic according to claim 10, in, The skin feel regulator is at least one of natural silica, vinyl polydimethylsiloxane / polymethylsiloxane silsesquioxane cross-linked polymer, natural mica, synthetic fluorphlogopite, sodium calcium aluminum silicate, lauroyl lysine, boron nitride, zinc oxide, hydroxyapatite, silica silylate, and nylon.

12. The cosmetic according to claim 10, in, The preservative is at least one of phenoxyethanol, ethylhexylglycerin and caprylyl glycol.

13. The cosmetic according to claim 10, in, The skin conditioning agent is at least one of polydimethylsiloxane and squalane.

Citation Information

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