JP2023140504A - cosmetic composition - Google Patents

Abstract

To provide a cosmetic composition excellent in high-temperature stability and usability.SOLUTION: There is provided a cosmetic composition which contains substantially no polymer compound and comprises the following components (A) to (D): (A) a water-swelling clay mineral, (B) an anionic surfactant, (C) a higher alcohol which is solid at 20°C and (D) water, wherein the component (A) is at least one selected from the group consisting of silt, marine silt, Tanakura clay, a smectite clay mineral, a kaolin clay mineral, an antigorite clay mineral, a pyrophyllite clay mineral, a mica clay mineral, a vermiculite clay mineral, a chlorite clay mineral and a silicate mineral.SELECTED DRAWING: None

Description

The present invention relates to a cosmetic composition that is a raw material for cosmetics such as creams, milky lotions, and serums.

Cosmetic compositions containing oil-in-water emulsified particles have conventionally been widely used as raw materials for cosmetics.

Examples of this type of cosmetic composition include an oil-in-water emulsion composition containing a water-swellable clay mineral, a polar oil that is liquid at 20°C, a tetrahydric to hexavalent polyhydric alcohol, and a water-soluble polymer. has been proposed (for example, see Patent Document 1).

Furthermore, an oil-in-water cosmetic composition containing a water-swellable clay mineral, a natural polymer, an oily component, and a surfactant has been proposed (see, for example, Patent Document 2).

Furthermore, an emulsified external composition containing a water-soluble organic acid, a clay mineral, and an oily component such as a higher alcohol has been proposed (see, for example, Patent Document 3).

Unexamined Japanese Patent Publication No. 2017-8009 Japanese Patent Application Publication No. 2015-168627 International Publication No. 2014/157265

The cosmetic compositions of Patent Documents 1 to 3 cannot be said to have sufficient high-temperature stability, which is the dispersion stability of emulsified particles in a high-temperature environment. In addition, the cosmetic composition of Patent Document 2 may have stringiness or slipperiness, and cannot be said to be excellent in usability.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a cosmetic composition with excellent high temperature stability and usability.

The characteristic structure of the cosmetic composition according to the present invention for solving the above problems is as follows:
A cosmetic composition substantially free of polymer compounds,
The following ingredients (A) to (D):
(A) Water-swellable clay mineral (B) Anionic surfactant (C) Higher alcohol that is solid at 20°C (D) Contains water.

According to the cosmetic composition of this configuration, oil-in-water type emulsified particles are formed by containing the above-mentioned component (A), component (B), and component (C). The development of viscosity caused by this and the development of gel (hereinafter also referred to as "α gel") performance of hydrated crystals caused by component (B) and component (C) combine to cause emulsified particles to ), the emulsified particles are well dispersed (high dispersibility), and furthermore, a decrease in viscosity in a high-temperature environment is suppressed, and the dispersion stability of the emulsified particles is improved. As a result, even if the cosmetic composition does not substantially contain a polymer compound as a thickener, the separation (creaming) between the aqueous component and the oil component in a high-temperature environment is suppressed, and the cosmetic composition exhibits high-temperature stability. (ie, dispersion stability under high temperature environment). Furthermore, since the cosmetic composition does not contain natural polymer compounds such as polysaccharides, stringiness and slipperiness are suppressed, resulting in excellent usability. Furthermore, since it does not contain synthetic polymer compounds, in this respect it meets the recent SDGs (Sustainable Development Goals).

In the cosmetic composition according to the present invention,
The component (A) is silt, marine silt, tanakura clay, smectite clay mineral, kaolin clay mineral, antigorite clay mineral, pyrophyllite clay mineral, mica clay mineral, vermiculite clay mineral, chlorite. Preferably, the mineral is at least one selected from the group consisting of clay minerals and silicate minerals.

According to the cosmetic composition of this configuration, since an appropriate type of mineral is selected as component (A), the cosmetic composition has enhanced high-temperature stability.

In the cosmetic composition according to the present invention,
The component (A) is preferably at least one selected from the group consisting of hectorite, bentonite, and magnesium aluminum silicate.

According to the cosmetic composition of this configuration, since a specific mineral is selected as the component (A), the cosmetic composition has improved high temperature stability.

In the cosmetic composition according to the present invention,
The content of component (A) is preferably 0.5 to 5% by mass.

According to the cosmetic composition of this configuration, by setting the content of component (A) within the above range, the cosmetic composition is more suitable for exhibiting the dispersibility of emulsified particles and high temperature stability. It has a higher viscosity.

In the cosmetic composition according to the present invention,
The component (B) is preferably at least one selected from the group consisting of acylglutamic acid or a salt thereof, acylmethyltaurine or a salt thereof, alkylphosphoric acid or a salt thereof, and dialkylglutamic acid lysine or a salt thereof.

According to the cosmetic composition of this configuration, since an appropriate type of surfactant is selected as component (B), the cosmetic composition has enhanced high temperature stability.

In the cosmetic composition according to the present invention,
The component (B) is preferably at least one selected from the group consisting of sodium stearoylglutamate, sodium lysine dilauroylglutamate, cetyl phosphate, and sodium stearoylmethyltaurate.

According to the cosmetic composition of this configuration, since a specific surfactant is selected as component (B), the cosmetic composition has improved high temperature stability.

In the cosmetic composition according to the present invention,
The component (C) is preferably at least one selected from linear alcohols having 12 to 22 carbon atoms.

According to the cosmetic composition of this configuration, since an appropriate type of higher alcohol is selected as component (C), the cosmetic composition has enhanced high-temperature stability.

In the cosmetic composition according to the present invention,
The component (C) is preferably at least one selected from the group consisting of behenyl alcohol, stearyl alcohol, myristyl alcohol, and cetyl alcohol.

According to the cosmetic composition of this configuration, since a specific higher alcohol is selected as component (C), the cosmetic composition has improved high temperature stability.

In the cosmetic composition according to the present invention,
The total content of the component (B) and the component (C) is preferably 0.5 to 8% by mass.

According to the cosmetic composition having this configuration, the total content of component (B) and component (C) is within the above range, so that component (B) and component (C) have the above-mentioned high temperature stability. Since the cosmetic composition is contained in an amount more suitable for achieving the desired effect, the high-temperature stability is further improved.

In the cosmetic composition according to the present invention,
It is preferable that the natural origin index (not including water) calculated in accordance with ISO 16128 is 85% or more.

According to the cosmetic composition having this configuration, the natural origin index (not including water) calculated in accordance with ISO 16128 is 85% or more, thereby making it more compliant with SDGs.

Embodiments of the cosmetic composition of the present invention will be described below.

<Cosmetic composition>
The cosmetic composition of the present embodiment is a cosmetic composition that does not substantially contain a polymer compound, and
The following ingredients (A) to (D):
(A) Water-swellable clay mineral (B) Anionic surfactant (C) Higher alcohol that is solid at 20°C (D) Contains water.

Here, "substantially free of polymeric compounds" means that it does not contain an amount of polymeric compounds that does not adversely affect the high temperature stability and usability of the cosmetic composition, It is not intended that the content of the polymer compound be strictly 0% in any case. For example, if a trace amount of a polymer compound is unintentionally included, or if a trace amount of a polymer compound is intentionally included, it does not function as the polymer compound. , is regarded as a cosmetic composition that does not substantially contain a polymer compound. An example of a case where a trace amount of a polymer compound is unintentionally contained is when the cosmetic composition manufacturing facility has previously manufactured another product containing a polymer compound. In some cases, extremely small amounts of polymer compounds that have adhered to containers or pipes are mixed into cosmetic compositions as contaminants, and in some cases, fine particles of polymer compounds that have been suspended or volatilized in the air in the manufacturing room may be contaminated during cosmetic production. Examples include cases where the substance adheres to the paint composition. In such cases, even if the composition contains a trace amount of a polymer compound, it is treated as a cosmetic composition that does not substantially contain a polymer compound.

<Component (A)>
The water-swellable clay mineral of component (A) swells and forms a gel when mixed with water, and is used to impart viscosity to the cosmetic composition. Ingredients (A) include silt, marine silt, Tanakura clay, smectite clay minerals, kaolin clay minerals, antigorite clay minerals, pyrophyllite clay minerals, mica clay minerals, vermiculite clay minerals, and chlorite. Examples include clay minerals and silicate minerals. These minerals can be used alone or in a mixture of two or more. Examples of the smectite clay mineral include montmorillonite, beidellite, nontronite, saponite, hectorite, sauconite, and stevensite. Component (A) may be of natural origin or may be synthetic.

Component (A) is silt, marine silt, tanakura clay, smectite clay mineral, kaolin clay mineral, antigorite clay mineral, pyrophyllite clay mineral, mica clay mineral, vermiculite clay mineral, chlorite clay mineral. By being at least one selected from the group of clay minerals and silicate minerals, an appropriate type of mineral is selected as the component (A), so the cosmetic composition has enhanced high-temperature stability. It becomes something.

Among the above compounds, component (A) is preferably at least one selected from the group consisting of hectorite, bentonite, and magnesium aluminum silicate.

Since component (A) is at least one selected from the group consisting of hectorite, bentonite, and magnesium aluminum silicate, a specific mineral is selected as component (A), so the cosmetic composition has improved high temperature stability.

The content of component (A) in the cosmetic composition is preferably 0.5 to 5% by mass, more preferably 1 to 3% by mass. By setting the content of component (A) within the above range, the cosmetic composition has a viscosity more suitable for exhibiting the dispersibility of emulsified particles and high temperature stability. Specifically, by having a content of component (A) of 0.5% by mass or more, the viscosity of the cosmetic composition can be increased sufficiently to improve the dispersibility of emulsified particles and high temperature stability. Can be done. When the content of component (A) is 5% by mass or less, it is possible to prevent the viscosity from increasing excessively, and thereby the cosmetic composition becomes easily spreadable when applied, and the spreadability is reduced. The usability from this point of view is improved.

<Component (B)>
The anionic surfactant as component (B) is for emulsifying the cosmetic composition, and is also for forming an α-gel in combination with the higher alcohol as component (C). In order to improve the high temperature stability of the cosmetic composition, it is necessary to use an anionic surfactant among the surfactants. Component (B) includes acylglutamic acid or a salt thereof, acylmethyltaurine or a salt thereof, alkylphosphoric acid or a salt thereof, dialkylglutamic acid lysine or a salt thereof, and the like. Although these compounds can be used alone, they can also be used as a mixture of two or more.

Component (B) is at least one selected from the group consisting of acylglutamic acid or a salt thereof, acylmethyltaurine or a salt thereof, alkylphosphoric acid or a salt thereof, and dialkylglutamic acid lysine or a salt thereof; Since an appropriate type of surfactant is selected as B), the cosmetic composition has enhanced high temperature stability.

Among the above compounds, component (B) is preferably at least one selected from the group consisting of sodium stearoylglutamate, sodium lysine dilauroylglutamate, cetyl phosphate, and sodium stearoylmethyltaurate.

Component (B) is at least one selected from the group consisting of sodium stearoyl glutamate, sodium lysine dilauroyl glutamate, cetyl phosphate, and sodium stearoyl methyltaurate, so that component (B) is a specific surfactant. is selected, the cosmetic composition has improved high-temperature stability.

The content of component (B) in the cosmetic composition is preferably 0.01 to 2% by mass, more preferably 0.05% to 1% by mass, and 0.1 to 0.5% by mass. More preferred. By setting the content of component (B) within the above range, the cosmetic composition has a viscosity more suitable for exhibiting the dispersibility of emulsified particles and high temperature stability. Specifically, the content of component (B) is 0.01% by mass or more, thereby increasing the viscosity of the cosmetic composition sufficiently to enhance the dispersibility of emulsified particles and high temperature stability. be able to. When the content of the component (B) is 2% by mass or less, it is possible to prevent the viscosity from increasing excessively, and thereby the cosmetic composition becomes easily spreadable when applied. The usability is improved from the viewpoint of

<Component (C)>
Component (C), a higher alcohol that is solid at 20° C., corresponds to an oily component for forming emulsified particles. Moreover, component (C) is for forming an α-gel in combination with the anionic surfactant of component (B). In order to improve the high-temperature stability of the cosmetic composition, it is necessary to use a higher alcohol that is solid at 20° C. rather than liquid. "Solid at 20°C" means that there is no flowability at 20°C, for example, it does not flow immediately even when tilted at 45 degrees.

Component (C) is preferably at least one selected from linear alcohols having 12 to 22 carbon atoms.

Since component (C) is at least one selected from linear alcohols having 12 to 22 carbon atoms, an appropriate type of higher alcohol is selected as component (C), so the cosmetic composition The product has enhanced high temperature stability.

Among the above, component (C) is preferably at least one selected from the group consisting of behenyl alcohol, stearyl alcohol, myristyl alcohol, and cetyl alcohol.

Since component (C) is at least one selected from the group consisting of behenyl alcohol, stearyl alcohol, myristyl alcohol, and cetyl alcohol, a specific higher alcohol is selected as component (C), so the cosmetic The composition has improved high temperature stability.

The content of component (C) in the cosmetic composition is preferably 0.5 to 7% by mass, more preferably 1 to 6% by mass, and even more preferably 2 to 5% by mass. When the content of component (C) is 0.5% by mass or more, the viscosity of the cosmetic composition can be sufficiently increased by improving the dispersibility of emulsified particles and high temperature stability. By setting the content of component (C) to 7% by mass or less, it is possible to prevent the viscosity from increasing excessively, and thereby the cosmetic composition becomes easily spreadable when applied. , the usability in terms of elongation is improved.

The total content of component (B) and component (C) in the cosmetic composition is preferably 0.5 to 8% by mass, more preferably 1.5 to 5.6% by mass. Since the total content of component (B) and component (C) is 0.5 to 8% by mass, the amount of component (B) and component (C) is more suitable for exhibiting the above-mentioned high temperature stability. As a result, the cosmetic composition has improved high-temperature stability.

<Component (D)>
Component (D) water corresponds to an aqueous component for forming emulsified particles. The content of component (D) in the cosmetic composition can be the remainder after removing components other than component (D), and can be about 50 to 90% by mass.

<Other ingredients>
In addition to the components (A) to (D) and the polymer compound, the cosmetic composition of the present embodiment includes an oil agent commonly used in cosmetic compositions, to the extent that it does not adversely affect the effects of the present invention. Gelling agent, alcohol other than component (C), surfactant other than component (B), powder, ultraviolet absorber/scattering agent, humectant, preservative, antioxidant, chelating agent, pH adjuster, Medicinal ingredients, fragrances, etc. can be added as appropriate.

As the oil, solid, semi-solid, and liquid oils can be used, such as avocado oil, linseed oil, almond oil, olive oil, carnauba wax, candelilla wax, wheat germ oil, rice germ oil, and rice bran oil. , shea butter, jojoba oil, palm oil, palm kernel oil, camellia oil, evening primrose oil, hydrogenated castor oil, castor oil fatty acid methyl ester, sunflower oil, macadamia nut oil, beeswax, etc., as well as hydrocarbon oils such as squalane, squalene, Paraffin, liquid paraffin, microcrystalline wax, vaseline, etc. Higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, undecylenic acid, oleic acid, linoleic acid, linolenic acid, arachidonic acid, eicosapentaenoic acid, Docosahexaenoic acid, isostearic acid, etc., higher alcohols such as oleyl alcohol, isostearyl alcohol, hexyldodecanol, octyldodecanol, etc., ester oils such as isobutyl adipate, 2-hexyldecyl adipate, isocetyl isostearate, triisostearate, etc. Methylolpropane, cetyl octoate, oleyl oleate, octyldodecyl oleate, isocetyl stearate, butyl stearate, isopropyl palmitate, 2-ethylhexyl palmitate, 2-hexyldecyl palmitate, isopropyl myristate, octyl myristate Dodecyl, myristyl myristate, ethyl laurate, diisostearyl malate, etc.; as glyceride oils, acetoglyceride, triisooctanoic acid glyceride, triisostearic acid glyceride, triisopalmitic acid glyceride, monostearic acid glyceride, trimyristate glyceride, etc. , Silicone oils include dimethylpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexanesiloxane, tetramethyltetrahydrogencyclotetrasiloxane, higher alkoxy-modified silicones such as stearoxysilicone, higher fatty acid-modified silicones, and silicones. Examples include resin, silicone rubber, and silicone resin. These oils can be used alone, but they can also be used as a mixture of two or more.

Examples of gelling agents include amino acid derivatives such as N-lauroyl-L-glutamic acid and α,γ-di-n-butylamine, metal soaps such as aluminum stearate, and dextrin fatty acid esters such as dextrin palmitate and dextrin stearate. , sucrose, sucrose fatty acid esters such as palmitate, sucrose stearate, and benzylidene derivatives of sorbitol such as monobenzylidene sorbitol and dibenzylidene sorbitol. Although these gelling agents can be used alone, they can also be used as a mixture of two or more.

Examples of alcohols other than component (C) include lower alcohols such as ethanol and isopropanol, sugar alcohols such as sorbitol, maltose, and xylitol, and sterols such as cholesterol, phytosterol, and lanosterol. Although these alcohols can be used alone, they can also be used as a mixture of two or more types.

Examples of surfactants other than component (B) include lipophilic glycerin monostearate, self-emulsifying glycerin monostearate, polyglycerin monostearate, sorbitan monostearate, polyethylene glycol monostearate, and polyoxyethylene sorbitan monostearate. Ether type surfactants such as polyoxyethylene hardened castor oil, ether ester type surfactants such as polyoxyethylene cetyl ether, polyoxyethylenated sterol, and the like. These surfactants can be used alone or as a mixture of two or more.

The powder can be used regardless of its shape, such as spherical, acicular, or plate-like, particle size, and particle structure, such as porous or nonporous. Examples of the powder include titanium oxide, nylon powder, silk powder, silica, styrene/acrylic acid copolymer, and vinyl resin. Although these powders can be used alone, they can also be used as a mixture of two or more.

Examples of UV absorbers and scattering agents include para-aminobenzoic acid-based UV absorbers, anthranilic acid-based UV absorbers, salicylic acid-based UV absorbers, cinnamic acid-based UV absorbers, benzophenone-based UV absorbers, sugar-based UV absorbers, 3-(4'-methylbenzylidene)-d-camphor, 3-benzylidene-d, l-camphor, urocanic acid, urocanic acid ethyl ester, 2-phenyl-5-methylbenzoxazole, 2,2'-hydroxy- 5-methylphenylbenzotriazole, 2-(2'-hydroxy-5'-t-octylphenyl)benzotriazole, 2-(2'-hydroxy-5'-methylphenyl)benzotriazole, dibenzalazine, dianisoylmethane, 4 -methoxy-4'-t-butyldibenzoylmethane, 5-(3,3-dimethyl-2-norbornylidene)-3-pentan-2-one, titanium oxide, zinc oxide and the like. These ultraviolet absorbers/scattering agents can be used alone, but they can also be used as a mixture of two or more.

Moisturizing agents include polyhydric alcohols such as glycerin, propylene glycol, 1,3-butylene glycol, sorbitol, polyglycerin, polyethylene glycol, and dipropylene glycol, amino acid derivatives such as trimethylglycine, sodium lactate, sodium pyrrolidone carboxylate, Examples include natural moisturizing factor (NMF) components such as amino acids, hyaluronic acid, collagen, mucopolysaccharides, and water-soluble polymers such as chondroitin sulfate. These humectants can be used alone or as a mixture of two or more.

Preservatives include benzoate, salicylate, sorbate, dehydroacetate, paraoxybenzoic acid ester, 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 3,4,4'-trichlorocarbani Lido, benzalkonium chloride, hinokitiol, resorcinol, ethanol, phenoxyethanol, and the like. These preservatives can be used alone or as a mixture of two or more.

Examples of the antioxidant include dibutylhydroxytoluene, butylhydroxyanisole, propyl gallate, ascorbate, and the like. Although these antioxidants can be used alone, they can also be used as a mixture of two or more.

Examples of the chelating agent include edetate disodium, ethylenediaminetetraacetate, edetate, pyrophosphate, hexametaphosphate, citric acid, tartaric acid, gluconic acid, and the like. Although these chelating agents can be used alone, they can also be used as a mixture of two or more.

Examples of the pH adjuster include potassium hydroxide, sodium hydroxide, triethanolamine, citric acid, sodium citrate, lactic acid, sodium lactate, boric acid, borax, potassium hydrogen phosphate, and the like. These pH adjusters can be used alone or as a mixture of two or more.

Medicinal ingredients include acne drugs, vitamins, anti-inflammatory agents, whitening drugs, amino acids, astringents, refreshing agents, exfoliants, bactericidal agents, sebum suppressants, various extracts, and the like. Examples of acne drugs include sulfur, salicylic acid, isopropylmethylphenol, and the like. Examples of the vitamins include sodium ascorbate, tocopherol acetate, panthenol, thiamine hydrochloride, pyridoxine hydrochloride, nicotinamide, and biotin. Examples of anti-inflammatory agents include dipotassium glycyrrhizinate, stearyl glycyrrhetinate, azulene, allantoin, and the like. Examples of whitening agents include hydroquinone, arbutin, tranexamic acid, ascorbic acid glucoside, kojic acid, glutathione, and ursin extract. Examples of amino acids include glycine, arginine, glutamic acid, taurine, L-cysteine, and γ-aminobutyric acid. Examples of the astringent include chlorohydroxyaluminum, aluminum chloride, sodium chloride, hamamelis extract, horse chestnut extract, melissa extract, and the like. Examples of the cooling agent include L-menthol, DL-camphor, eucalyptus extract, and tea tree oil. Exfoliating agents include salicylic acid, glycolic acid, urea, papain, trimethylglycine, and the like. Examples of the disinfectant include benzalkonium chloride, chlorhexidine gluconate, benzethonium chloride, halocarban, and the like. Examples of sebum suppressants include zinc oxide and pyridoxine hydrochloride. Plant extracts include clara, kouhone, orange, sage, yarrow, mallow, japonica, thyme, horsetail, spruce, birch, horsetail, loofah, horse chestnut, saxifrage, arnica, lily, mugwort, peony, aloe, gardenia, Japanese mackerel. , white lily, etc. Although these medicinal ingredients can be used alone, they can also be used as a mixture of two or more.

<Characteristics of cosmetic composition>
The cosmetic composition preferably has a natural origin index (not including water) of 85% or more, calculated in accordance with ISO 16128, which is defined in the guidelines for natural and organic index display of cosmetics, and 95% or more. % or more is more preferable. The cosmetic composition has a natural origin index (not including water) of 85% or more calculated in accordance with ISO 16128, making it more compliant with SDGs.

<Method for producing cosmetic composition>
The cosmetic composition is prepared by heating and dissolving an oil component and an aqueous component above the melting point of the solid oil containing component (B), adding the oil component to the aqueous component in the heated and molten state, and mechanically applying the oil component to the aqueous component. It can be obtained by forming emulsified particles by emulsifying with a strong shearing force, gradually cooling to 35° C., and then allowing the particles to cool.

Hereinafter, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited by the Examples.

Cosmetic compositions (Examples 1 to 7) having the characteristics of the present invention were prepared, and various measurements and evaluations were performed. For comparison, cosmetic compositions (Comparative Examples 1 to 13) that do not have the characteristic features of the present invention were prepared and subjected to similar measurements and evaluations. The results are shown in Tables 1 to 5.

[Examples 1 to 7, Comparative Examples 1 to 13]
According to the blending amounts listed in Tables 1 to 5, the oily component and the aqueous component are respectively heated and dissolved above the melting point of the solid oil containing component (B), the oily component is added to the aqueous component, and then subjected to mechanical shearing. Cosmetic compositions of Examples 1 to 7 and Comparative Examples 1 to 13 were obtained by force emulsification to form emulsified particles, and then gradually cooled to 35° C. and then allowed to cool. In addition, since water-swellable clay minerals usually exhibit relatively high alkalinity, in Tables 1 to 5, in order to adjust the pH to around neutrality, lactic acid is added when water-swellable clay minerals are blended. On the other hand, when water-swellable clay minerals were not blended, lactic acid was not blended. In Tables 1 to 5, "-" indicates that it was not blended.

The measurement and evaluation items for the cosmetic compositions of Examples 1 to 7 and Comparative Examples 1 to 13 were pH, viscosity, high temperature stability, and usability. Each item will be explained below.

[pH]
The pH of the obtained cosmetic composition was measured at 25°C using a pH meter.

[viscosity]
Using a Brookfield rotational viscometer, No. 4, if the viscosity is less than 10,000 mPa・s, set the rotation speed to 60 rpm and measurement time to 30 seconds; if the viscosity is 10,000 mPa・s or more, set the rotation speed to 6 rpm and measurement time to 60 seconds, The viscosity of the obtained cosmetic composition was measured at 25°C.

[High temperature stability]
The resulting cosmetic composition was placed in a glass bottle and left at 50° C. for one week, and then high temperature stability was evaluated using the following criteria.
A: No separation into two layers, no creaming, and no solid precipitates were observed (good).
B: No separation into two layers, creaming was not observed, but solid precipitates were observed (poor).
C: The product was separated into two layers, the lower layer was more transparent than the upper layer, and creaming was observed (unusable).

[Usability]
An appropriate amount of the obtained cosmetic composition was placed on the fingers of one hand, applied to the back of the other hand, and the feel when spread was evaluated using the following criteria.
A: It did not feel slippery and spread smoothly (good).
B: Did not feel slippery, but did not spread smoothly (normal).
C: It felt slippery and did not spread smoothly (poor).

The cosmetic compositions of Examples 1 to 4 include hectorite as component (A), sodium stearoylglutamate as component (B), behenyl alcohol as component (C), and water as component (D). The product received an A rating for high temperature stability and an A rating for usability, indicating that it has excellent high temperature stability and usability.

The cosmetic composition of Comparative Example 1, which does not contain hectorite as component (A), has a C rating for high temperature stability and an A rating for usability, and is excellent in usability, but creaming is observed and high temperature stability is It was shown to be inferior to

Comparing the cosmetic compositions with the same content of hectorite as component (A) as those of Examples 1 to 4, Comparative Examples 2 to 5, which do not contain component (B) and component (C), were compared. The cosmetic compositions had a lower viscosity than the cosmetic compositions of Examples 1 to 4, and the properties of the cosmetic compositions themselves were inferior. In addition, the high temperature stability was rated B or C, and the usability was low. was rated A, indicating that it was excellent in usability but poor in high temperature stability.

The cosmetic composition of Comparative Example 6, which used xanthan gum instead of hectorite as the component (A), had an A rating for high temperature stability and a C rating for usability, and although it had excellent high temperature stability, it felt slimy. Moreover, it was shown that it did not spread smoothly and was inferior in usability. The cosmetic composition of Comparative Example 8, which contains a smaller amount of xanthan gum than Comparative Example 6, has a C rating for high temperature stability and an A rating for usability, and is excellent in usability but inferior in high temperature stability. It was shown that

The cosmetic composition of Comparative Example 7, which does not contain all of the components (A) to (C) and instead contains xanthan gum, has a B rating for high temperature stability and a C rating for usability, and also has excellent high temperature stability. It was also shown that the usability was poor. The cosmetic composition of Comparative Example 9, which contains a smaller amount of xanthan gum than Comparative Example 7, has a C rating for high temperature stability and an A rating for usability, and is excellent in usability but inferior in high temperature stability. It was shown that

Hectorite, bentonite, and magnesium aluminum silicate as component (A), sodium dilauroylglutamate lysine as component (B), myristyl alcohol as component (C), and water as component (D). Similarly to Examples 1 to 4, the cosmetic compositions of Examples 5 to 7, which include the following, have an A rating for high temperature stability and an A rating for usability, and are excellent in high temperature stability and usability. It has been shown.

The cosmetic composition of Comparative Example 10, which does not contain hectorite, bentonite, and magnesium aluminum silicate as component (A), has a C rating for high temperature stability and an A rating for usability, and is excellent in usability. Creaming was observed, indicating poor high temperature stability.

Comparing cosmetic compositions with the same contents of hectorite, bentonite, and magnesium aluminum silicate as component (A) as those of Examples 5 to 7, component (B) and component (C) were compared. The cosmetic compositions of Comparative Examples 11 to 13, which do not contain the compound, have lower viscosity than the cosmetic compositions of Examples 5 to 7, respectively, and have inferior properties of the cosmetic compositions themselves.In addition, they have poor high temperature stability. was rated B or C, and usability was rated A, indicating that although the usability was excellent, the high temperature stability was poor.

Examples 8 to 10 below show formulation examples of the cosmetic composition of the present invention. The cosmetics of Examples 8 to 10 contain components (A) to (D), and although not described in detail here, it has been confirmed that they have excellent high temperature stability and usability.

[Example 8]
(emulsion)
<Name of ingredients><Amount (% by mass)>
Hectorite 1.0
Sodium stearoyl glutamate 0.2
Behenyl alcohol 1.3
Shea butter 0.9
Octyldodecyl myristate 1.0
Squalane 2.0
Glyceryl stearate 1.0
Lavender oil 0.01
Xanthan gum 0.01
Nicotinic acid amide 0.1
Sodium hyaluronate 0.01
Centella asiatica extract 0.1
Saxifrage extract 0.1
Glycerin 7.0
1,3-butylene glycol 5.0
Propanediol 8.0
Dipropylene glycol 2.0
Citric acid 0.01
Sodium citrate 0.09
Lactic acid 0.04
Phenoxyethanol 0.3
water residue

[Example 9]
(cream)
<Name of ingredients><Amount (% by mass)>
bentonite 3.0
Cetyl phosphate 0.7
Cetyl alcohol 1.8
Macadamia nut fatty acid phytosteryl 1.0
Jojoba seed oil 2.0
Squalane 10.0
Glyceryl stearate 2.0
Rosemary leaf oil 0.01
Tranexamic acid 1.0
Dipotassium glycyrrhizinate 0.05
Angelica root extract 0.1
Sage leaf extract 0.1
Yarrow extract 0.1
Glycerin 10.0
1,3-butylene glycol 3.0
Propanediol 5.0
Pentylene glycol 1.0
Arginine 0.35
Lactic acid 0.04
Ethylhexylglycerin 0.1
Phenoxyethanol 0.3
water residue

[Example 10]
(Beauty serum)
<Name of ingredients><Amount (% by mass)>
Magnesium aluminum silicate 1.5
Sodium stearoylmethyltaurate 0.5
Behenyl alcohol 4.0
Hydrogenated castor oil isostearate 1.0
Olive fruit oil 2.0
Squalane 4.0
Glyceryl stearate 1.0
Bergamot fruit oil 0.01
Tocopherol acetate 0.05
Allantoin 0.1
Stearyl glycyrrhetinate 0.05
Sphingomonas culture extract 0.3
Peony root extract 0.1
Aloe vera leaf extract 0.1
Panax ginseng root extract 0.1
Sodium pyrrolidone carboxylate 1.0
(PCA-Na)
Glycerin 8.0
Xylitol 1.0
Trehalose 1.5
1,3-butylene glycol 3.0
Propanediol 5.0
Dipropylene glycol 2.0
Pentylene glycol 1.0
Ethylhexylglycerin 0.1
Citric acid 0.01
Sodium citrate 0.09
Lactic acid 0.06
Sodium chloride 0.1
Phenoxyethanol 0.3
water residue

The cosmetic composition of the present invention can be used as a raw material for cosmetics such as creams, milky lotions, and serums, but can also be used as a raw material for pharmaceuticals, quasi-drugs, and the like.

Claims (10)

A cosmetic composition substantially free of polymer compounds,
The following ingredients (A) to (D):
(A) Water-swellable clay mineral (B) Anionic surfactant (C) Higher alcohol that is solid at 20°C (D) Cosmetic composition containing water. The component (A) is silt, marine silt, tanakura clay, smectite clay mineral, kaolin clay mineral, antigorite clay mineral, pyrophyllite clay mineral, mica clay mineral, vermiculite clay mineral, chlorite. The cosmetic composition according to claim 1, which is at least one selected from the group consisting of clay minerals and silicate minerals. The cosmetic composition according to claim 1, wherein the component (A) is at least one selected from the group consisting of hectorite, bentonite, and magnesium aluminum silicate. The cosmetic composition according to any one of claims 1 to 3, wherein the content of the component (A) is 0.5 to 5% by mass. Component (B) is at least one selected from the group consisting of acylglutamic acid or a salt thereof, acylmethyltaurine or a salt thereof, alkylphosphoric acid or a salt thereof, and dialkylglutamic acid lysine or a salt thereof. 4. The cosmetic composition according to any one of 4. 5. The component (B) is at least one selected from the group consisting of sodium stearoylglutamate, sodium lysine dilauroylglutamate, cetyl phosphate, and sodium stearoylmethyltaurate. cosmetic composition. The cosmetic composition according to any one of claims 1 to 6, wherein the component (C) is at least one selected from linear alcohols having 12 to 22 carbon atoms. The cosmetic composition according to any one of claims 1 to 6, wherein the component (C) is at least one selected from the group consisting of behenyl alcohol, stearyl alcohol, myristyl alcohol, and cetyl alcohol. The cosmetic composition according to any one of claims 1 to 8, wherein the total content of the component (B) and the component (C) is 0.5 to 8% by mass. The cosmetic composition according to any one of claims 1 to 9, which has a natural origin index (not including water) calculated in accordance with ISO 16128 of 85% or more.