TW201427703A - Emulsion cosmetic composition - Google Patents

Abstract

An emulsion cosmetic composition which contains (A) 0.01-10% by mass of one or more compounds that are selected from among sphingosine salts and ionic surfactants, (B) one or more compounds that are selected from among linear glycerol di-fatty acid esters and linear sorbitan di-fatty acid esters, (C) an alcohol having 12-22 carbon atoms, a glycerol mono-fatty acid ester having 12-22 carbon atoms, or the like, (D) 0.01-30% by mass of a powder having an average particle diameter of 0.1-30 [mu]m and (E) water. With respect to the components (A), (B) and (C), (1) the mass ratio of (A)/((B) + (C)) is 0.04-1, (2) the molar fraction of (B)/((B) + (C)) is 0.01-0.45, and (3) the maximum molar fraction of a single compound component in the components (B) and (C) is 0.2-0.8.

Description

Emulsifying cosmetic

The present invention relates to emulsified cosmetic materials.

The α-gel water and the crystal structure of the type have a lamellar structure. The stratum corneum interstitial cells present in the stratum corneum of the outermost layer of the skin also form such an α-gel structure. For the skin, the intrusion of substances from the outside is suppressed, and the water is evaporated from the inside while maintaining moisture itself. Therefore, it has the function of keeping the skin soft or smooth. Therefore, as a cosmetic material or the like for obtaining a moisturizing effect, a composition for forming a liquid crystal structure has been examined. However, the composition forming the α-gel has a problem of sticking with time after application to the skin.

Therefore, it is reviewed that the powder is formulated in the α-gel to obtain a refreshing feeling (Patent Document 1).

Further, Patent Document 2 discloses a cosmetic which is formed by using a surfactant having an HLB of 10 or less to form a lamellar liquid crystal structure and blending a powder.

[Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2006-36763

[Patent Document 2] Japanese Patent Laid-Open Publication No. 2006-56851

The present invention relates to an emulsified cosmetic comprising the following components (A), (B), (C), (D) and (E): (A) selected from a neuroamine alkoxide and an ionic surfactant (1) one or two or more compounds selected from the group consisting of a di-linear fatty acid glyceride and a di-linear fatty acid sorbitan ester; (C) a compound represented by the general formula (3), an alcohol having 12 to 22 carbon atoms, a monoglyceride having 12 to 22 carbon atoms, a monoalkyl glyceryl ether having 12 to 22 carbon atoms, and a single fatty acid having 12 to 22 carbon atoms One or more compounds selected from sorbitan esters;

(wherein R ¹¹ represents a straight-chain, branched chain or cyclic saturated or unsaturated hydrocarbon group or hydrogen atom which may have a hydroxyl group, a carbonyl group or an amine group of 4 to 30; Z represents a methylene group, a methine or an oxygen atom; X ¹¹ , X ¹² and X ¹³ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; X ¹⁴ represents a hydrogen atom, an ethyl fluorenyl group or a glyceryl group, or together with an adjacent oxygen atom Forming a pendant oxy group (however, when Z is a methine group, either of X ¹¹ and X ¹² is a hydrogen atom, the other is absent; when X ¹⁴ forms a pendant oxy group, X ¹³ is absent); ¹² and R ¹³ each independently represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; and R ¹⁴ represents a hydroxyl group, a carbonyl group or an amine group which may be substituted with a hydroxyl group, an ester bond or an anthracene. A linear, branched or cyclic saturated or unsaturated hydrocarbon group having a carbon number of 5 to 60; R ¹⁵ represents a hydrogen atom, or may have a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an acetamidine group; a saturated or unsaturated hydrocarbon group of a linear or branched chain having a total carbon number of 1 to 30, which is a substituent selected from the oxy group (however, when R ¹¹ is a hydrogen atom and Z is an oxygen atom, R ¹⁵ is a total carbon number) 10~3 a hydrocarbon group of 0; when R ¹¹ is a hydrocarbon group, R ¹⁵ is a hydrocarbon group having a total carbon number of 1 to 8); a broken line portion may also be an unsaturated bond; (D) a powder having an average particle diameter of 0.1 to 30 μm 0.01 to 30 Mass %; (E) water; in the components (A), (B) and (C), the mass ratio of (1) (A) / ((B) + (C)) is 0.04 ~ 1; (2) ( B) / ((B) + (C)) has a molar fraction of 0.01 to 0.45; (3) (B) + (C) The composition of the compound has a maximum molar fraction of 0.2. ~0.8.

In the composition described in Patent Document 1, the liquid crystal structure collapses during coating, and the α-gel film is not formed. Therefore, it is difficult to uniformly adhere the powder, and it is difficult to achieve both a high moisturizing effect and no stickiness. Further, the composition described in Patent Document 2 does not describe the specific effects of the correlation between the lamellar liquid crystal structure and the powder.

The present invention relates to a film comprising an α-gel structure containing a powder, a uniform and soft layer on the surface of the skin when applied to the skin, the powder is uniformly attached and is not easily detached even if friction is applied, and continues to be high. Moisturizing effect and non-sticky emulsified cosmetic.

The present inventors have found that (A) one or two or more compounds selected from a neuroamine alkoxide and an ionic surfactant, (B) a di-linear fatty acid glyceride, and a two-linear chain One or more compounds selected from fatty acid sorbitan esters, (C) One or two or more compounds selected from ceramide, higher alcohol, monoglycerin mono-fatty acid ester, monoalkyl glyceryl ether, and sorbitan mono-fatty acid ester, and (D) powder adjustment In a specific range, a film containing a powder, a uniform and soft lamellar α-gel structure can be formed on the surface of the skin, and the powder adheres evenly and is not easily detached even if friction is applied, and the high moisturizing effect and the non-adhesiveness are continued. .

The emulsified cosmetic of the present invention forms a film containing a powder and a uniform and soft lamellar α-gel structure on the surface of the skin after application, and the powder adheres uniformly and is not easily detached even if friction is applied, and continues to be high. Moisturizing effect and no stickiness.

[ingredient A]

The component (A) used in the present invention is one or two or more compounds selected from the group consisting of a neuroamine alkoxide and an ionic surfactant. In addition, the compound of two or more types is, for example, a compound classified into the same ionic surfactant, and two or more types are considered to have different structures.

In the compound of the component (A) used in the present invention, examples of the neuroamine alcohol include a neuroamine alcohol represented by the general formula (1).

(wherein R ¹ represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group which may have a carbon number, a carbonyl group or an amine group of 4 to 30 carbon atoms; Y represents a methylene group and a methine group; Or an oxygen atom; X ¹ , X ² and X ³ each independently represent a hydrogen atom, a hydroxyl group or an ethyloxy group; X ⁴ represents a hydrogen atom, an ethenyl group or a glyceryl group, or forms a side oxygen together with an adjacent oxygen atom; a group (however, when Y is a methine group, either of X ¹ and X ² is a hydrogen atom, the other is absent; when X ⁴ forms a pendant oxy group, X ³ is absent); R ² and R ³ independently represents a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; each of R is independently a hydrogen atom or a formazan group, or may have a hydroxyl group, a hydroxyalkoxy group or an alkoxy group. And a saturated or unsaturated hydrocarbon group of a linear or branched chain having a total carbon number of 1 to 8 and a substituent selected from an ethoxy group; a represents a number of 2 or 3; and a dotted line indicates an unsaturated bond) .

In the formula, R ¹ represents a linear, branched or cyclic saturated or substituted carbon group having a hydroxyl group, a carbonyl group or an amine group of 4 to 30, preferably substituted with a hydroxyl group having 7 to 22 carbon atoms; Unsaturated hydrocarbon group. Particularly preferred is a linear or branched alkyl group having a carbon number of 10 to 20, and a linear or branched alkyl group having a hydroxyl group of 10 to 20 at the terminal of the Y side, in the case of a branched alkyl group. It is a methyl branch or the like. Specifically, it is preferably a thirteen group, a tetradecyl group, a fifteen group, a hexadecyl group, a 1-hydroxytridecyl group, a 1-hydroxypentadecyl group, an isohexadecyl group or an isostearyl group.

Y represents a methylene group (CH ₂ ), a methine group (CH) or an oxygen atom.

X ¹ , X ² and X ³ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; X ⁴ represents a hydrogen atom, an ethenyl group or a glyceryl group, or a substituent which forms a pendant oxy group together with an adjacent oxygen atom; . Particularly preferably, 0 to 1 of X ¹ , X ² and X ³ are a hydroxyl group, the remainder is a hydrogen atom, and X ⁴ is a hydrogen atom. Further, when Y is a methine group, either of X ¹ and X ² is a hydrogen atom, and the other is not present. Further, when X ⁴ forms a pendant oxy group, X ³ does not exist.

R ² and R ³ each independently represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; and particularly preferably R ³ is a hydrogen atom.

Further, a represents a number of 2 or 3, and when a is 2, R represents R ⁴ and R ⁵ , and when a is 3, R represents R ⁴ , R ⁵ and R ⁶ .

R ⁴ , R ⁵ and R ⁶ are each independently a hydrogen atom or a fluorenyl group, or a total carbon number of a substituent which may also have a substituent selected from a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an ethoxy group. A saturated or unsaturated hydrocarbon group of a straight or branched chain of 8. Here, as the hydroxyalkoxy group which may be substituted on the hydrocarbon group, a linear or branched hydroxyalkoxy group having 1 to 7 carbon atoms is preferable. Further, the alkoxy group is preferably a linear or branched alkoxy group having 1 to 7 carbon atoms. Examples of R ⁴ , R ⁵ and R ⁶ include a hydrogen atom; a linear or branched alkyl group such as a methyl group, an ethyl group, a propyl group, a 2-ethylhexyl group or an isopropyl group; and a vinyl group; Alkenyl group; methyl group; by hydroxymethyl, 2-hydroxyethyl, 1,1-dimethyl-2-hydroxyethyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, 2-hydroxy-3-methoxypropyl, 2,3,4,5,6-pentahydroxyhexyl, 1,1-bis(hydroxymethyl)ethyl, 2-(2-hydroxyethoxy)B Base, 2-methoxyethyl, 1-methyl-2-hydroxyethyl, 3-hydroxypropyl, 3-methoxypropyl, 1,1-bis(hydroxymethyl)-2-hydroxyethyl a hydrocarbon group having a total carbon number of 1 to 8 substituted by 1 to 6 groups selected from a hydroxyl group, a hydroxyalkoxy group and an alkoxy group.

Particularly preferred is a hydrogen atom, or may be substituted by methyl, 2-hydroxyethyl, 1,1-dimethyl-2-hydroxyethyl, 1,1-bis(hydroxymethyl)ethyl, 2- One or three alkyl groups selected from the group consisting of a hydroxyl group such as (2-hydroxyethoxy)ethyl group and a hydroxyalkoxy group.

The neuroamine alcohol represented by the general formula (1) is preferably a neurolamine of natural origin or a composition of the same structure represented by the following general formula (2).

(wherein R ⁷ represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group which may also have a hydroxyl group of 7 to 19; Y ₁ represents a methylene group or a methine group; X ⁵ , X ⁶ and X ⁷ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; X ⁸ represents a hydrogen atom or forms a pendant oxy group together with an adjacent oxygen atom (however, when Y ₁ is a methine group, X) Any of ⁵ and X ⁶ is a hydrogen atom, the other is absent; when X ⁸ forms a pendant oxy group, X ⁷ is absent); R ⁸ represents a hydroxymethyl group or an ethoxymethyloxy group; R ^{1 is} independently a hydrogen atom or a fluorenyl group, or a straight chain or a fraction having a total carbon number of 1 to 4 which may have a substituent selected from a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an ethoxy group. A saturated or unsaturated hydrocarbon group of a branched chain; a represents a number of 2 or 3; a dotted line represents an unsaturated bond).

Here, as R ⁷ , a linear, branched or cyclic saturated or unsaturated hydrocarbon group having a carbon number of 7 to 19 is preferred, and a linear saturated or unsaturated hydrocarbon group having a carbon number of 13 to 15 is particularly preferred. . a is preferably 2, and R ^{1 is} independently a hydrogen atom or a linear or branched alkyl group having 1 to 4 carbon atoms.

Specific examples of the natural neuroamine alcohol represented by the general formula (2) include natural neuroamine alcohol, dihydroneuraminol, phytohormone, sphingadienine, dehydronephramine, and dehydrogenated autonomic nerves. Amine alcohol, and N-alkyl compounds (such as N-methyl) and the like.

These neuroamines can be used as optical actives of natural type (D(+)), optical actives of non-natural (L(-)), and natural and non-natural. mixture. The relative three-dimensional arrangement of the above compounds may be a natural type of three-dimensional arrangement, or a non-natural type of three-dimensional arrangement other than the above, or a mixture thereof.

It is represented by PHYTOSPHINGOSINE (INCI name; eighth edition) and the following formula.

[Chemical 4]

(where m represents 5 to 17, and l represents 1 to 13.)

These may be any of natural extracts or compositions, and commercially available materials may also be used. Examples of commercially available products of natural neuroamine alcohol include D-Sphingosine (4-Sphingenine) (SIGMA-ALDRICH), DS-phytosphingosine (DOOSAN), and phytosphingosine (Cosmo Pharma).

Examples of the salt of such a neuroamine alcohol include glutamic acid and aspartic acid. Acidic amino acid salt; basic amine acid salt of arginine acid; inorganic acid salt of phosphoric acid, hydrochloric acid, etc.; monocarboxylic acid salt of acetic acid or the like; dicarboxylic acid salt of succinic acid or the like; citric acid, lactic acid, apple An oxycarboxylate such as an acid or the like; preferably one or two or more selected from the above.

Further, among the compounds of the component (A), examples of the ionic surfactant include an anionic surfactant, a cationic surfactant, and an amphoteric surfactant.

Examples of the anionic surfactant include fatty acids having a carbon number of 12 to 22 such as sodium laurate, potassium palmitate, and stearic acid, or a salt thereof; carbon number of sodium lauryl sulfate and potassium lauryl sulfate; Alkyl sulfate of 12 to 22 or a salt thereof; alkyl ether sulfate of 12 to 22 carbon atoms such as polyoxyethylene lauryl sulfate triethanolamine or the like; or N-carbon number of sodium lauryl sarcosinate 12~22 thioglycolic acid or its salt; sodium monostearate or the like having 12 to 22 carbonic acid or its salt; polyoxyethylene oleyl ether phosphate, polyoxyethylene stearyl ether a polyoxyethylene having a carbon number of 12 to 22 such as sodium phosphate or a salt thereof; a dialkylsulfonic acid succinic acid having a carbon number of 12 to 24 such as di-2-ethylhexylsulfosuccinate sodium succinate Or a salt thereof; N-alkylmercaptomethyl taurine or a salt thereof having a carbon number of 12 to 22 such as N-stearyl sulfonyl-N-methyl taurate or sodium, sodium lauryl glutamate, N-lauric acid glutamic acid monosodium, N-stearyl sulfhydryl-L-glutamate, N-stearyl sulfhydryl-L-glutamic acid arginine, N-stearyl glutamic acid N-carbon number 12 to 22 thiol glutamic acid such as sodium, N-myristyl-L-glutamate or the like Salt.

Further, as the cationic surfactant, a quaternary ammonium salt is preferred, and examples thereof include alkyltrimethylammonium chloride such as chlorinated stearyltrimethylammonium chloride and lauryltrimethylamine chloride, and chlorination. Dialkyldimethylammonium chloride, trialkylmethylammonium chloride, alkylamine salt, and the like.

Further, examples of the amphoteric surfactant include alkyl dimethyl amine oxide, alkyl carboxy betaine, alkyl sulfobetaine, guanamine amino acid salt, and alkyl guanamine propyl betaine. Preferably, the alkyl amidinopropyl betaine.

As the component (A), from the viewpoint of emulsion stability, a neuroamine is preferred. Alkoxide and anionic surfactant.

Further, as the anionic surfactant, it is preferably a fatty acid or a salt thereof, more preferably an alkyl ether phosphate having a polyoxyethylene carbon number of 12 to 22 or a salt thereof, or an N-alkyl fluorenyl group having 12 to 22 carbon atoms. One or more selected from the group consisting of sodium methyl taurate and N-carbon number 12 to 22 thiol glutamate; more preferably N-carbon number 12 to 22 from the viewpoint of use sensation Mercaptoglutamic acid or a salt thereof. As the N-carbon number 12 to 22 thiol glutamate, preferably N-stearyl sulfhydryl-L-glutamate, more preferably N-stearyl sulfhydryl-L-glutamic acid spermine Acid salt, N-stearyl sulfhydryl-L-glutamic acid potassium salt.

The component (A) may be used alone or in combination of two or more. For example, stearyl glutamic acid, polyoxyethylene (4) sodium lauryl ether phosphate, and phytohormone can be used separately. Further, stearic acid glutamic acid may be used in combination with polyoxyethylene (4) sodium lauryl ether phosphate, and sodium dilaurate glutamate may be used in combination with stearyl glutamic acid.

The compound of the component (A) may be used alone or in combination of two or more. The content of the component (A) is a content of the compound in which the ion is removed, and is 0.01% by mass or more in the total composition, from the viewpoint that the components described below can be stably dispersed to obtain a feeling of use without stickiness. It is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and is 10% by mass or less, preferably 5% by mass or less, and more preferably 3% by mass or less. Further, the content of the component (A) is 0.01 to 10% by mass, preferably 0.05 to 5% by mass, and more preferably 0.1 to 3% by mass based on the total amount of the compound to which the ion is removed. .

[ingredient (B)]

The component (B) used in the present invention is a di-linear fatty acid glyceride and a di-linear fatty acid sorbitan ester, preferably a linear fatty acid glyceride having a carbon number of 12 to 22 and a carbon number of 12 to 22 One or two or more compounds selected from the two-chain fatty acid sorbitan ester Things. In addition, the compound of two or more types is, for example, a compound classified into a two-chain fatty acid glyceride, and two or more types are considered to have different structures.

Examples of the linear fatty acid glyceride having 12 to 22 carbon atoms include glycerin dilaurate, glyceryl dimyristate, glyceryl distearate, glyceryl distearate, and glyceryl dicarboxylic acid ester. Diglyceride, glyceryl diisostearate, and the like.

Examples of the linear fatty acid sorbitan ester having 12 to 22 carbon atoms include, for example, sorbitan dilaurate, sorbitan dimyristate, sorbitan distearate, Sorbitan distearate, sorbitan disorbate, sorbitan dioleate.

Among these, from the viewpoint of storage stability, glyceryl distearate and sorbitan distearate are preferred.

The component (B) used in the present invention is combined with the component (A) and the component (C) described later to form a sheet-like structure.

The content of the component (B) is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, and still more preferably 0.1% by mass or more in terms of stability and adhesion at the time of coating. It is preferably 10% by mass or less, more preferably 8% by mass or less, and still more preferably 5% by mass or less. Further, the content of the component (B) is preferably from 0.01 to 10% by mass, more preferably from 0.05 to 8% by mass, even more preferably from 0.1 to 5% by mass, based on the total composition.

[ingredient (C)]

The component (C) used in the present invention is a compound represented by the general formula (3), an alcohol having 12 to 22 carbon atoms, a monoglyceride having 12 to 22 carbon atoms, and a monoalkyl group having 12 to 22 carbon atoms. One or two or more compounds selected from the group consisting of glyceryl ether and dicole sorbitan ester having 12 to 22 carbon atoms.

(wherein R ¹¹ represents a straight-chain, branched chain or cyclic saturated or unsaturated hydrocarbon group or hydrogen atom which may have a hydroxyl group, a carbonyl group or an amine group of 4 to 30; Z represents a methylene group, a methine or an oxygen atom; X ¹¹ , X ¹² and X ¹³ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; X ¹⁴ represents a hydrogen atom, an ethyl fluorenyl group or a glyceryl group, or together with an adjacent oxygen atom Forming a pendant oxy group (however, when Z is a methine group, either of X ¹¹ and X ¹² is a hydrogen atom, the other is absent; when X ¹⁴ forms a pendant oxy group, X ¹³ is absent); ¹² and R ¹³ each independently represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; and R ¹⁴ represents a hydroxyl group, a carbonyl group or an amine group which may be substituted with a hydroxyl group, an ester bond or an anthracene. a linear, branched or cyclic saturated or unsaturated hydrocarbon group having a carbon number of 5 to 60; R ¹⁵ represents a hydrogen atom, or may have a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an ethyl group. a saturated or unsaturated hydrocarbon group of a linear or branched chain having a total carbon number of 1 to 30, which is a substituent selected from the oxy group (however, when R ¹¹ is a hydrogen atom and Z is an oxygen atom, R ¹⁵ is a total carbon number) 10~30 The hydrocarbon group; when R ¹¹ is a hydrocarbon group, R ¹⁵ is a hydrocarbon group having a total carbon number of 1 to 8); the dotted line portion may also be an unsaturated bond).

In addition, for example, even if it is a compound classified into the general formula (3), the compound of two or more types is considered to be two or more types.

Wherein R ¹¹ represents a linear, branched or cyclic saturated or substituted carbon group having a hydroxyl group, a carbonyl group or an amine group of 4 to 30, preferably substituted with a hydroxyl group having 7 to 22 carbon atoms; An unsaturated hydrocarbon group or a hydrogen atom.

Z represents any one of a methylene group (CH ₂ ), a methine group (CH) or an oxygen atom.

X ¹¹ , X ¹² and X ¹³ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; and particularly preferably 0 to 1 of X ¹¹ , X ¹² and X ¹³ are a hydroxyl group, and the remainder is a hydrogen atom. When Z is a methine group, either of X ¹¹ and X ¹² is a hydrogen atom and the other is absent. Further, X ^{14 is} preferably a hydrogen atom or a glyceryl group.

R ¹² and R ¹³ each independently represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; preferably, R ¹² is a hydrogen atom or a hydroxymethyl group, and preferably R ¹³ is a hydrogen atom.

R ¹⁴ represents a linear, branched or cyclic saturated or unsaturated group having a carbon number of 5 to 60 which may have a hydroxyl group, a carbonyl group or an amine group and may have an ether bond, an ester bond or a guanamine bond in the main chain. Hydrocarbyl group. Preferably, a saturated or unsaturated hydrocarbon group having a linear or branched chain or a cyclic carbon number of 5 to 35 having a hydroxyl group or an amine group may be substituted, or a hydroxyl group may be substituted at the ω position of the hydrocarbon group. A linear, branched or cyclic saturated or unsaturated fatty acid having a carbon number of 8 to 22 is bonded via an ester bond or a guanamine bond. As the fatty acid to be bonded, it is preferably isostearic acid, 12-hydroxystearic acid or linoleic acid.

R ¹⁵ represents a hydrogen atom or a saturated or unsaturated chain of a linear or branched chain having a total carbon number of 1 to 30 which may have a substituent selected from a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an ethoxylated group. Hydrocarbyl group. When R ¹¹ is a hydrogen atom and Z is an oxygen atom, R ¹⁵ is a hydrocarbon group having a total carbon number of 10 to 30. Further, when R ¹¹ is a hydrocarbon group, R ¹⁵ is a hydrocarbon group having a total carbon number of 1 to 8. It is particularly preferably a hydrogen atom, or may be substituted with one to three hydrocarbon groups having a total carbon number of 1 to 8 selected from a hydroxyl group, a hydroxyalkoxy group or an alkoxy group. Here, the hydroxyalkoxy group and the alkoxy group are preferably those having 1 to 7 carbon atoms.

The compound represented by the general formula (3) is preferably a ceramide which is represented by the following general formula (4) or (5).

(I) Ceramide or a synthetic compound of the same origin and a derivative thereof (hereinafter referred to as natural ceramide) represented by the general formula (4).

[Chemical 6]

(wherein R ²¹ represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group which may also have a hydroxyl group of 7 to 19; Z ₁ represents a methylene group or a methine group; X ¹⁵ , X ¹⁶ and X ¹⁷ each independently represent a hydrogen atom, a hydroxyl group or an ethyloxy group; X ¹⁸ represents a hydrogen atom or forms a pendant oxy group together with an adjacent oxygen atom (however, when Z ₁ is a methine group, X) Any of ¹⁵ and X ¹⁶ is a hydrogen atom, the other is absent; when X ¹⁸ forms a pendant oxy group, X ¹⁷ is absent; R ²² represents a hydroxymethyl group or an ethoxymethyloxy group; and R ²³ represents a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms; R ²⁴ represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group which may be substituted with a hydroxyl group having 5 to 30 carbon atoms, or The ω terminal may also be substituted with a linear or branched chain saturated or unsaturated fatty acid having a hydroxyl group of 8 to 22 via an ester bond; the dotted line may also be an unsaturated bond).

Preferably, R ²¹ is a linear alkyl group having a carbon number of 7 to 19, more preferably 13 to 15 carbon atoms; and R ²⁴ is a linear alkyl group or linoleic acid having a carbon number of 9 to 27 which may be substituted with a hydroxyl group. A compound of a linear alkyl group having an ester number of 9 to 27 carbon atoms. Further, it is preferred that X ¹⁸ represents a hydrogen atom or forms a pendant oxygen group together with an oxygen atom. Particularly preferred as R ²⁴ , which is a Twenty-three base, a 1-hydroxyl-15-yl group, a 1-hydroxyl-trisyl group, a heptadecyl group, a 1-hydroxyundecyl group, and is ester-bonded to the ω-linolenic acid. Twenty-nine base.

Specific examples of the natural ceramide may be exemplified by ceramide, ceramide, or sphingadienine, and sphingadienine, for example, J. Lipid Res., 24:759 Figure 2 of (1983) and porcine ceramide of pig or human as depicted in Figure 4 of J. Lipid. Res., 35:2069 (1994).

Further included are N-alkyl species (e.g., N-methyl).

These ceramides may be optically active (D(-)), or optically active (L(+)), and natural and non-natural. mixture. The relative three-dimensional arrangement of the above compounds may be a natural type of three-dimensional arrangement, or a non-natural type of three-dimensional arrangement other than the above, or a mixture thereof. Tejia is the compound of CERAMIDE1, CERAMIDE2, CERAMIDE3, CERAMIDE5, CERAMIDE6II (the above is INCI, the eighth edition) and the following formula.

These may be any of natural extracts and compositions, and commercially available products may also be used. As a commercial product of such natural ceramide, Ceramide I, Ceramide III, Ceramide IIIA, Ceramide IIIB, Ceramide IIIC, Ceramide VI (above, Cosmo Pharma), Ceramide TIC-001 (High Sand Spice Co., Ltd.), CERAMIDE II (Quest International), DS-Ceramide VI, DS-CLA-Phytoceramide, C6-Phytoceramide, DS-ceramide Y3S (DOOSAN Company), CERAMIDE 2 (Sederma).

(II) Simulated brain ceramide represented by the general formula (5).

(wherein R ²⁵ represents a saturated or unsaturated hydrocarbon group or a hydrogen atom which may also be substituted with a linear, branched or cyclic ring having 10 to 22 carbon atoms; and X ¹⁹ represents a hydrogen atom, an ethylene group or a glyceryl group; R ²⁶ represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 5 to 22 carbon atoms or a hydroxyl group, or may be substituted at the ω end of the hydrocarbon group. A saturated or unsaturated fatty acid having a linear or branched chain of 8 to 22 carbon atoms of a hydroxyl group is ester-bonded; R ²⁷ represents a hydrogen atom, or may be substituted with a hydroxyl group, a hydroxyalkoxy group, an alkoxy group or an ethyl hydrazine. The total number of carbons of the oxy group is from 1 to 30 alkyl groups.

R ^{26 is} preferably a fluorenyl group, a thirteen group, a fifteen group, an eleven group bonded to the ω linoleic acid via an ester, and a fifteen group bonded to the ω linoleic acid via an ester. The eleven-group of the 12-hydroxystearic acid ester-bonded fifteen-group, at the ω-position methyl-branched isostearic acid via a guanamine linkage.

Preferably, when R ²⁵ is a hydrogen atom, R ²⁷ is a total of 10 to 30, preferably a total carbon number of 12 to 20, which may be substituted with a hydroxyl group, a hydroxyalkoxy group, an alkoxy group or an ethyloxy group. The alkyl group; when R ²⁵ is a linear or branched or cyclic saturated or unsaturated hydrocarbon group having a carbon number of 10 to 22, R ²⁷ represents a hydrogen atom, or An alkyl group having a total carbon number of 1 to 8 of a hydroxyl group, a hydroxyalkoxy group, an alkoxy group or an ethoxylated group. The hydroxyalkoxy group or alkoxy group of R ²⁷ is preferably a carbon number of 1 to 7.

As a general formula (5), R ²⁵ is a hexadecanyl group, X ¹⁹ is a hydrogen atom, R ²⁶ is a fifteen group, and R ²⁷ is a hydroxyethyl group; R ²⁵ is a hexadecyl group, and X ¹⁹ is hydrogen. a similar type of ceramide, wherein R ²⁶ is a fluorenyl group and R ²⁷ is a hydroxyethyl group; more preferably, R ²⁵ of the general formula (5) is a hexadecanyl group, X ¹⁹ is a hydrogen atom, and R ²⁶ is a fifteen group. (N-(hexadecyloxyhydroxypropyl)-N-hydroxyethylhexadecaneamine) wherein R ²⁷ is a hydroxyethyl group.

The compound represented by the general formula (3) in the component (C) may be used alone or in combination of two or more kinds selected from the group consisting of natural ceramide and simulated ceramide.

Examples of the alcohol having 12 to 22 carbon atoms of the component (C) include myristyl alcohol, cetyl alcohol, stearyl alcohol, alditol, and oleyl alcohol. Among them, those having a linear alkyl group are preferred, and the carbon number is preferably 16 to 18 alcohols, more preferably cetyl alcohol or stearyl alcohol.

Examples of the mono-fatty acid glyceride having 12 to 22 carbon atoms of the component (C) include glycerol monolaurate, glycerin monomyristate, glycerin monocaprate, glyceryl monostearate, and glycerol mono An acid ester, glycerin monooleate, glycerol monoisostearate or the like. Among these, glycerin monooleate, glycerin monostearate, and glycerin monostearate are preferred, and glycerol monocronate is particularly preferred.

Examples of the monoalkyl glyceryl ether having 12 to 22 carbon atoms of the component (C) include monodecyl glyceryl ether, monolauryl glyceryl ether, monomyristyl glyceryl ether, monocetyl glyceryl ether, and monostearyl. Glyceryl ether, monoterpene diglyceryl ether, and the like.

The mono-fatty acid sorbitan ester having a carbon number of 12 to 22 as the component (C) may, for example, be sorbitan monolaurate, sorbitan monomyristate or sorbitan monostearate. Alcohol esters, sorbitan monostearate, sorbitan monostearate, and the like.

Among these, as the component (C), from the viewpoint of long-term storage stability, an alcohol having 14 to 22 carbon atoms, a monoglyceride having 14 to 22 carbon atoms, and a single carbon number of 14 to 22 are preferable. Alkyl glyceryl ether, slaked sorbitan ester of a single fatty acid having 14 to 22 carbon atoms. More preferably, it is a single fatty acid glyceride having a carbon number of 16 to 22 alcohols and a carbon number of 16 to 22.

The component (C) used in the present invention is combined with the component (A) and the component (B) to form a sheet-like structure.

The content of the component (C) is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and still more preferably 0.5% by mass in terms of stability and less stickiness at the time of coating. The above is preferably 15% by mass or less, more preferably 13% by mass or less, and still more preferably 10% by mass or less. Further, the content of the component (C) is preferably from 0.05 to 15% by mass, more preferably from 0.1 to 13% by mass, even more preferably from 0.5 to 10% by mass, based on the total composition.

In the present invention, it is important that the components (A), (B), and (C) satisfy the following relationship: (1) the mass ratio of (A) / ((B) + (C)) is 0.04 to 1; (B)/((B)+(C)) has a molar fraction of 0.01 to 0.45; (3) (B) + (C) the maximum molar fraction of the single component of the compound It is 0.2~0.8.

(1) The mass ratio of (A)/((B)+(C)) indicates a preferable range in which the component (A) can stably emulsifie the components (B) and (C). Further, it has an action of retaining the arrangement of molecules composed of the components (B) and (C) by electrostatic repulsion. Further, when the cosmetic of the present invention is applied to the skin, it is preferable to form a film of an α-type structure and to maintain the role of the component (E) water and to maintain the flexibility of the film. From the above viewpoint, the mass ratio of (A)/((B)+(C)) is 0.04 or more, preferably 0.06 or more, more preferably 0.09 or more, and is 1 or less, preferably 0.5 or less, more preferably 0.3 or less. Further, the mass ratio of (A)/((B)+(C)) is 0.04 to 1, preferably 0.06 to 0.5, more preferably 0.09 to 0.3.

(2) The molar fraction of (B)/((B)+(C)) is preferably formed in a layered structure in which the molecules composed of the components (B) and (C) are arranged. From the above viewpoints, the molar fraction of (B)/((B)+(C)) is 0.01 or more, preferably 0.03 or more, more preferably 0.04 or more, and is 0.45 or less, preferably 0.4 or less. More preferably, it is 0.35 or less. Further, the molar fraction of (B)/((B)+(C)) is from 0.01 to 0.45, preferably from 0.03 to 0.4, more preferably from 0.04 to 0.35.

(3) The maximum molar fraction occupied by the compound of (B) + (C) is considered to be a layered structure and stable in order to form the molecules composed of the components (B) and (C). Necessary for layered structure. More specifically, it is considered that when a layered structure is formed, it has an effect of suppressing crystallization of components, maintaining an α-gel structure belonging to a hydrated solid, and maintaining the flexibility of a film formed on the skin. Moreover, the storage stability is also improved. From the above viewpoints, the maximum molar fraction occupied by the compound of the (B) + (C) constituent is 0.2 or more, preferably 0.3 or more, and 0.8 or less, preferably 0.78 or less. Further, the maximum molar fraction of the compound of the (B) + (C) component is 0.2 to 0.8, preferably 0.3 to 0.78.

Further, based on the same viewpoint, the respective constituent components of the components (B) and (C) are preferably one or a mixture of two or more plural components, and the total of the compound species of the component (B) and the component (C) is Good for more than 3 types.

In addition, in the content of the components (B) and (C), the total content of the components (B) and (C) is preferably 0.1% by mass or more, and more preferably 0.5, from the viewpoint of the moisturizing effect and the storage stability. The mass% or more is preferably 17% by mass or less, more preferably 10% by mass or less. Further, the total content of the components (B) and (C) is preferably from 0.1 to 17% by mass, more preferably from 0.5 to 10% by mass.

[ingredient (D)]

The powder of the component (D) used in the present invention has an average particle diameter of from 0.1 to 30 μm, preferably from 1 to 20 μm, from the viewpoint of no stickiness.

Here, the average particle diameter is calculated from a volume-based particle size distribution measured by a laser diffraction/scattering method using a laser diffraction/scattering particle size distribution meter (for example, LA-920, manufactured by Horiba, Ltd.). The middle diameter.

The powder of the component (D) is not particularly limited as long as it is a user of the cosmetic material, and any of an inorganic powder and an organic powder may be suitably used, and the shape thereof may be any of a spherical shape and a plate shape. The internal structure of the powder is not limited, and any of porous, hollow, and non-porous materials can be used. These powder systems are insoluble in water, alcohol, oil, etc. at 15~100 °C.

Examples of the inorganic powder include cerium oxide (phthalic anhydride), calcium citrate, magnesium silicate, mica, talc, kaolin, sericite, titanium oxide, zinc oxide, magnesium oxide, zirconium oxide, calcium carbonate, and magnesium carbonate. , magnesium citrate, barium sulfate, red dan, yellow iron oxide, black iron oxide, carbon black, manganese violet, glass beads, zeolite, pearl pigment (red dan-coated mica, titanium oxide coated mica, etc.), such a complex Wait.

Examples of the organic powder include thermoplastic resins such as styrene resin, acrylic resin, polyolefin, polyoxyxylene resin, fluororesin, polyester, and polyamide, epoxy resin, phenol resin, and ethyl urethane. Resin, further silk, wool, cellulose, starch, and the like.

As the powder of the component (D), a modified powder obtained by treating a surface with a compound or the like can be used. From the viewpoint of being uniformly dispersed in the α-gel film, it is preferred that no polyoxyl oil or fatty acid is used. Hydrophobic treatment of metal salts and the like.

Further, the powder shape is more preferably spherical from the viewpoint that it is hard to be buried in the α-gel film and exhibits a refreshing touch. The spherical shape is specifically a spherical powder having a true sphericity of 70% or more. The so-called true sphericity is the use of scanning electron microscopy to shoot solid particles. The electron micrograph of the sub-particles randomly selects 100 particles whose particles do not overlap each other. Plot the projected image of the selected particle, and the projected image is a true circle; or draw a circumcircle of the projected image of the particle, and draw a concentric circle having a radius of 90% of the radius of the circumscribed circle, having a projected image of the particle All in the shape between the concentric circle and the circumscribed circle. The number of true balls is used as the true sphericity of the particles.

Examples of the spherical powder include inorganic powders such as cerium oxide, calcium citrate, and magnesium ruthenate; and organic powders such as crystalline cellulose, nylon powder, and poly(methyl) acrylate (methyl ester or ethyl ester). a polymethylsilsesquioxane powder having an intermediate structure of inorganic and organic groups in which a methyl group is bonded to a helium atom.

Among these spherical powders, the powder of the component (D) is preferably a porous powder from the viewpoint of being able to contact the α-gel film over a larger area. In the case of a porous powder, there is an advantage that friction is less likely to fall off from the film. Here, the porous powder refers to a powder having a large number of pores on the surface of the powder. More preferably, the powder has a pore volume of 0.5 mL/g or more. Specifically, it is preferable that the surface is hydrophilic and porous cerium oxide. Such commercially available products include SUNSPHERE H31, SUNSPHERE H-32, SUNSPHERE H-51, SUNSPHERE H-52, SUNSPHERE H-121, SUNSPHERE H-122, SUNSPHERE L-31, SUNSPHERE L-51, SUNSPHERE L -121, (above is AGC Si-Tech) and the like.

The powder of the component (D) may be used alone or in combination of two or more kinds, and the content is 0.01% by mass or more, preferably 0.15% by mass or more, and more preferably 0.3 in terms of the total composition. More than % by mass. Moreover, from the viewpoint of the fact that the friction is not easily removed, it is 30% by mass or less, preferably 15% by mass or less, and more preferably 10% by mass or less in the total composition. Further, the content of the component (D) is 0.01 to 30% by mass in the total composition, preferably 0.15 to 15% by mass, more preferably 0.3 to 10% by mass.

Further, in the components (A), (B), (C), and (D), the quality of (D)/((A)+(B)+(C)) is based on the sense of freshness and sustainability. The ratio is preferably 0.01 or more, more preferably 0.1 or more, still more preferably 0.12 or more. Moreover, from the viewpoint of uniform adhesion to the α-gel film and its durability, it is preferably 10 or less, more preferably 5 or less, still more preferably 4 or less. In the components (A), (B), (C) and (D), the quality of (D)/((A)+(B)+(C)) is preferably from 0.01 to 10, more preferably from 0.1 to 5. More preferably, it is 0.12~4.

In the present invention, the water of the component (E) is used as a solvent in the emulsified cosmetic, and is a remainder of the above-mentioned components and other components constituting the emulsified cosmetic. The content is preferably 50% by mass or more, more preferably 60% by mass or more, and is preferably 98% by mass or less, and more preferably 95% by mass or less, based on the total composition. The component (E) has a function of imparting flexibility to the film composed of the components (A) to (C) and (E) after the emulsion cosmetic of the present invention is applied and dried, and forms a film capable of following the skin. . Further, it has an effect that the component (D) is less likely to fall off from the film.

The emulsified cosmetic of the present invention can uniformly apply the powder of the component (D) to the skin. This is a performance different from conventional emulsified cosmetics. For example, in a system in which a powder is dispersed in an oily emulsion in water, if the emulsion is applied to the skin, water in a continuous phase with the oil droplet adheres to the surface of the skin, and if the water is dried, the oil droplet forms an island shape. Remains in the skin. The powder system adheres to the oil droplets and remains on the skin. As described above, since the oil droplets remain unevenly on the skin, the powder does not uniformly remain on the skin. On the other hand, it was found that the emulsified cosmetic emulsified cosmetic of the present invention itself has a liquid having a lamellar structure, and after coating and drying, a homogeneous component remains uniformly on the surface of the skin. Therefore, the powder can be attached to any part of the skin, and the powder can be uniformly coated.

The emulsified cosmetic of the present invention may further contain (F) a polyol, which is applied to When the skin is applied, the softness of the film formed on the surface of the skin can be improved.

Examples of the polyhydric alcohol include glycerin, diglycerin, polyethylene glycol, 1,3-butylene glycol, isoprene glycol, propylene glycol, and dipropylene glycol.

The component (F) may be used alone or in combination of two or more. From the viewpoint of the flexibility and the feeling of use of the film formed on the surface of the skin, the content is preferably 1% by mass or more, and more preferably 3, in the total composition. The mass% or more is preferably 30% by mass or less, more preferably 20% by mass or less. Further, the content of the component (F) is preferably from 1 to 30% by mass, more preferably from 3 to 20% by mass, based on the total composition.

The emulsified cosmetic of the present invention may further contain an oily component.

The oily component is not particularly limited as long as it is a user of a general cosmetic, and examples thereof include hydrocarbon oils such as paraffin wax, squalane, and petrolatum; cetyl dimethyl butyl ether and ethylene glycol dioctyl group; Ether oil of ether, glycerol monooleyl ether, etc.; octyldodecanol myristate, isopropyl palmitate, butyl stearate, di-2-ethylhexyl adipate, neopentyl Ester oils such as diol dicaprate, tricaprylin, vegetable oils such as olive oil; dimethyl polyoxane, cyclic dimethyl polyoxyalkylene, methyl phenyl polyoxyalkylene, amine a polyoxygenated oil having a modified polyfluorene oxygen, a carboxyl modified polyoxynium, an alcohol modified polyoxynium oxide, an alkyl modified polyoxynium oxide, a polyether modified polyfluorene oxide, a fluorine modified polyoxyxene, or the like; A fluorine-based oil such as perfluoroalkylethylphosphoric acid, perfluoroalkylpolyoxyethylenephosphoric acid, perfluoropolyether or polytetrafluoroethylene.

The oily component may be used alone or in combination of two or more. The content is preferably 0.5% by mass or more, more preferably 1% by mass or more, and preferably 20% by mass, based on the total stability of the composition. The following is more preferably 15% by mass or less. Further, the content of the oil component is in the total composition, and is preferably from 0.5 to 20% by mass, more preferably from 1 to 15% by mass.

Further, the emulsified cosmetic of the present invention may contain an active ingredient or an additive used in usual cosmetics, such as water-soluble vitamins such as ascorbic acid, nicotinamide, nicotinic acid, etc.; cork bark extract, licorice extract, Aloe extract, horsetail extract, tea extract, cucumber extract, clove extract, carrot extract, witch hazel extract, placenta extract, algae extract, horse chestnut extract, grapefruit extract, arhat Actin and plant extracts of cypress extract, royal jelly extract, eucalyptus extract, arborvitae extract, etc.; carboxyvinyl polymer, sodium alginate, carrageenan, carboxymethylcellulose, hydroxyethylcellulose , Guaya gum, Sanxian gum, carboxymethyl chitosan, sodium hyaluronate, Oxazoline modified polyfluorene oxide, N,N-dimethylaminoethyl methacrylate diethyl sulfate ‧N,N-dimethyl decylamine ‧ polyethylene glycol dimethacrylate copolymer, etc. Adhesives, etc.

The emulsified cosmetic of the present invention can be produced by the following method.

(Manufacturing method 1)

Step 1: A step of mixing the unneutralized component (A), the component (B), the component (C), and other oily components, heating to a melting point or higher of the highest melting point component, and stirring to obtain a mixture (1).

Step 2: a step of mixing the components (D), (E), the component (A) neutralizing agent and other water-soluble components, and heating to substantially the same temperature as the mixture (1) to obtain a mixture (2).

Step 3: A step of mixing the mixture (1) with the mixture (2), homogenizing, and cooling to 15 to 35 °C.

(Manufacturing method 2)

Step 1: A step of mixing the components (B), (C) and other oily components, heating to a melting point or higher of the highest melting point component, and stirring to obtain a mixture (3).

Step 2: mixing the unneutralized component (A), the component (D), (E), the component (A) neutralizing agent, and other water-soluble components, and heating to a temperature substantially the same as that of the mixture (3). The step of mixture (4).

Step 3: The mixture (3) is mixed with the mixture (4) to make it uniform, and then cooled to a temperature of 15 to 35 °C.

(Manufacturing method 3)

Step 1: A step of mixing the unneutralized component (A), the components (B), (C) and other oily components, heating to a melting point or higher of the highest melting point component, and stirring to obtain a mixture (1).

Step 2: a step of mixing the component (E), the component (A) neutralizing agent and other water-soluble components, and heating to substantially the same temperature as the mixture (1) to obtain a mixture (5).

Step 3: Mixing the mixture (1) with the mixture (5), homogenizing, cooling to 15 to 35 ° C, mixing the remaining components (E), component (D) and other water-soluble components to make them uniform. step.

(Manufacturing method 4)

Step 1: A step of mixing the components (B), (C) and other oily components, heating to a melting point or higher of the highest melting point component, and stirring to obtain a mixture (3).

Step 2: mixing the unneutralized component of the component (A), a portion of the component (E), the neutralizing agent of the component (A), and other water-soluble components, and heating to a temperature substantially the same as that of the mixture (3) to obtain a mixture ( 6) Steps.

Step 3: Mixing the mixture (3) with the mixture (6), homogenizing, cooling to 15 to 35 ° C, mixing the remaining components (E), component (D) and other water-soluble components to make them uniform. step.

Among these, as the production method of the present invention, the production methods 3 and 4 are prepared by mixing the component (D) in advance, thereby improving the adhesion of the component (D) to the skin. Preferably. High moisture retention, high flexibility of the film, and powder protection From the viewpoint of high holding power, it is more preferable to manufacture method 3.

The structure of the emulsified cosmetic of the present invention is an α-gel (α-form crystal) and suppresses precipitation of crystals (γ-form crystal). The α-gel can be confirmed by structural analysis by X-ray.

Further, the emulsified cosmetic of the present invention is suitable as a skin cosmetic for lotions, lotions, creams, cosmetic liquids and the like.

The emulsified cosmetic of the present invention is applied to the skin to form a film having an α-gel structure on the surface of the skin, and can be used for moisturizing the skin.

Further, the emulsified cosmetic of the present invention can be applied to skin for application to skin.

Further, the emulsified cosmetic of the present invention is a method of applying a film having an α-gel structure to the skin to be dried, applying a film having an α-gel structure, and moisturizing the skin.

The emulsified cosmetic of the present invention relates to those used for the manufacture of skin moisturizers.

In the above embodiment, the present invention further discloses the following compositions, uses, and methods of manufacture.

<1> An emulsified cosmetic comprising the following components (A), (B), (C), (D), and (E): (A) selected from a neuroamine alkoxide and an ionic surfactant (1) one or more compounds selected from two linear fatty acid glycerides and two linear fatty acid sorbitan esters; (C) The compound represented by the general formula (3), the alcohol having 12 to 22 carbon atoms, the monoglyceride having 12 to 22 carbon atoms, the monoalkyl glyceryl ether having 12 to 22 carbon atoms, and the single fatty acid having 12 to 22 carbon atoms One or more compounds selected from sorbitan esters; [Chemical 12]

(wherein R ¹¹ represents a straight-chain, branched chain or cyclic saturated or unsaturated hydrocarbon group or hydrogen atom which may have a hydroxyl group, a carbonyl group or an amine group of 4 to 30; Z represents a methylene group, a methine or an oxygen atom; X ¹¹ , X ¹² and X ¹³ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; X ¹⁴ represents a hydrogen atom, an ethyl fluorenyl group or a glyceryl group, or together with an adjacent oxygen atom Forming a pendant oxy group (however, when Z is a methine group, either of X ¹¹ and X ¹² is a hydrogen atom, the other is absent; when X ¹⁴ forms a pendant oxy group, X ¹³ is absent); ¹² and R ¹³ each independently represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; and R ¹⁴ represents a hydroxyl group, a carbonyl group or an amine group which may be substituted with a hydroxyl group, an ester bond or an anthracene. a linear, branched or cyclic saturated or unsaturated hydrocarbon group having a carbon number of 5 to 60; R ¹⁵ represents a hydrogen atom, or may have a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an ethyl group. a saturated or unsaturated hydrocarbon group of a linear or branched chain having a total carbon number of 1 to 30, which is a substituent selected from the oxy group (however, when R ¹¹ is a hydrogen atom and Z is an oxygen atom, R ¹⁵ is a total carbon number) 10~30 a hydrocarbon group; when R ¹¹ is a hydrocarbon group, R ¹⁵ is a hydrocarbon group having a total carbon number of 1 to 8; a dotted line indicates that it may be an unsaturated bond); (D) a powder having an average particle diameter of 0.1 to 30 μm is 0.01 to 30 mass. %; (E) water; in the components (A), (B) and (C), the mass ratio of (1) (A) / ((B) + (C)) is 0.04 ~ 1; (2) (B / ((B) + (C)) has a molar fraction of 0.01 to 0.45; (3) (B) + (C) The composition of the compound has a maximum molar fraction of 0.2%. 0.8.

<2> The emulsified cosmetic according to the above <1>, wherein the component (A) is preferably an ionic surfactant.

The emulsified cosmetic according to the above <1> or <2>, wherein the ionic surfactant of the component (A) is preferably an alkyl ether phosphate having a polyoxyethylene carbon number of 12 to 22 or a salt thereof. And one or more compounds selected from the group consisting of N-alkylmercaptomethyl taurine or a salt thereof having a carbon number of 12 to 22 and a thiol glutamic acid having a N-carbon number of 12 to 22 or a salt thereof; The content of the ion is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, still more preferably 0.1% by mass or more, and further preferably 10% by mass or less, more preferably 5% by mass in the total composition. % or less, more preferably 3% by mass or less, further preferably 0.01 to 10% by mass, more preferably 0.05 to 5% by mass, still more preferably 0.1 to 3% by mass.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (A) is preferably a thiol glutamate.

<5> The emulsified cosmetic according to the above <1>, wherein the component (A) is preferably one or more compounds selected from the group consisting of a neuroamine alkoxide, and the content thereof is in the total composition, preferably. 0.01% by mass or more, more preferably 0.05% by mass or more, still more preferably 0.1% by mass or more, and more preferably 10% by mass or less, more preferably 5% by mass or less, still more preferably 3% by mass or less; It is preferably 0.01 to 10% by mass, more preferably 0.05 to 5% by mass, still more preferably 0.1 to 3% by mass.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (B) is preferably one or more compounds selected from the group consisting of di-linear fatty acid glycerides. The content is in the total composition, preferably 0.01% by mass or more, more preferably 0.05% by mass or more, and further More preferably, it is 0.1% by mass or more, and preferably 10% by mass or less, more preferably 8% by mass or less, still more preferably 5% by mass or less; further preferably 0.01% by mass to 10% by mass, more preferably 0.05% by weight 8 mass%, and more preferably 0.1 to 5 mass%.

<7> The emulsified cosmetic according to the above <6>, wherein the two linear fatty acid glycerides of the component (B) are preferably glyceryl distearate.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (B) is preferably one or more selected from the group consisting of two linear fatty acid sorbitan esters. The content of the compound is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, still more preferably 0.1% by mass or more, and further preferably 10% by mass or less, more preferably 8% by mass. % or less, more preferably 5% by mass or less, further preferably 0.01 to 10% by mass, more preferably 0.05 to 8% by mass, still more preferably 0.1 to 5% by mass.

<9> The emulsified cosmetic according to the above <8>, wherein the linear fatty acid sorbitan ester of the component (B) is preferably sorbitan distearate.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (C) is preferably one or more compounds selected from the group consisting of alcohols having 12 to 22 carbon atoms. The content is in the total composition, preferably 0.05 to 15% by mass, more preferably 0.1 to 13% by mass, still more preferably 0.5 to 10% by mass.

<11> The emulsified cosmetic according to the above <10>, wherein the alcohol having 12 to 22 carbon atoms of the component (C) is preferably cetyl alcohol or stearyl alcohol.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (C) is preferably one or two selected from the group consisting of mono- and fatty acid glycerides having 12 to 22 carbon atoms. The above compounds, The content thereof is in the total composition, and is preferably 0.05 to 15% by mass, more preferably 0.1 to 13% by mass, still more preferably 0.5 to 10% by mass.

<13> The emulsified cosmetic according to the above <12>, wherein the mono-fatty acid glyceride having a carbon number of 12 to 22 of the component (C) is preferably selected from the group consisting of monoglyceryl monostearate and monoglycerol monocrole. One or two or more.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (C) is preferably one or two selected from the group consisting of alkyl glyceryl ethers having a single carbon number of 16 to 22. The content of the above compound is preferably from 0.05 to 15% by mass, more preferably from 0.1 to 13% by mass, even more preferably from 0.5 to 10% by mass, based on the total composition.

<15> The emulsified cosmetic according to the above <14>, wherein the alkyl glyceryl ether having a single carbon number of 16 to 22 in the component (C) is preferably monostearyl glyceryl ether.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (C) is preferably one selected from the group consisting of fatty acid sorbitan esters having 12 to 22 carbon atoms or The content of the two or more kinds of compounds is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, still more preferably 0.5% by mass or more, and still more preferably 15% by mass or less, and more preferably more. It is 13% by mass or less, more preferably 10% by mass or less, and more preferably 0.05 to 15% by mass, more preferably 0.1 to 13% by mass, still more preferably 0.5 to 10% by mass.

<17> The emulsified cosmetic according to the above <16>, wherein the fatty acid sorbitan ester having a carbon number of 12 to 22 of the component (C) is preferably sorbitan monostearate.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the mass of (A)/((B)+(C)) is preferably 0.06 or more, more preferably 0.09 or more. And preferably 0.5 or less, more Preferably, the ratio is 0.3 or less; and the mass of (A)/((B)+(C)) is preferably 0.06 to 0.5, more preferably 0.09 to 0.3.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the (B)/((B)+(C)) has a molar fraction of preferably 0.03 or more, more preferably It is 0.04 or more, and preferably 0.4 or less, more preferably 0.35 or less; further, the molar fraction of (B)/((B)+(C)) is preferably 0.03 to 0.4, more preferably 0.04 to 0.35. .

The emulsified cosmetic according to any one of the above-mentioned items (1) to (19), wherein the maximum molar fraction of the compound of the (B) + (C) component is preferably 0.3 or more. Further, it is preferably 0.78 or less; and the maximum molar fraction of the compound of the (B) + (C) component is preferably from 0.3 to 0.78.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (B) and the component (C) are preferably three or more.

The emulsified cosmetic according to any one of the above-mentioned items (1) to (21), wherein, in the components (A), (B), (C) and (D), (D)/((A) The quality of +(B)+(C)) is preferably from 0.01 to 10, more preferably from 0.1 to 5, and even more preferably from 0.12 to 4.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (D) is a powder which is not hydrophobized.

The emulsified cosmetic according to any one of the above-mentioned items, wherein the component (D) is a spherical powder.

The emulsified cosmetic according to any one of the above aspects, wherein the component (D) is porous ceria.

<26> A method for use in skin care, which is an emulsification described in any one of the above <1> to <25> The cosmetic coating spreads to the skin.

<27> The use of the emulsified cosmetic according to any one of the above <1> to <25> to the skin.

<28> Use of a skin moisturizer for producing an emulsified cosmetic according to any one of the above <1> to <25>.

<29> A method of moisturizing the skin, which comprises applying the emulsified cosmetic according to any one of the above <1> to <25> to the skin and drying it.

<30> A method of producing an emulsified cosmetic according to any one of the items <1> to <25>.

Step 1: A step of mixing the unneutralized component (A), the component (B), the component (C), and other oily components, heating to a melting point or higher of the highest melting point component, and stirring to obtain a mixture (1).

Step 2: a step of mixing the component (E), the component (A) neutralizing agent and other water-soluble components, and heating to substantially the same temperature as the mixture (1) to obtain a mixture (5).

Step 3: Mixing the mixture (1) with the mixture (5), homogenizing, cooling to 15 to 35 ° C, mixing the remaining components (E), component (D) and other water-soluble components to make them uniform. step.

[Examples] Production Example 1 (Production of (Lauryl Methacrylate/Na) Copolymer)

82 g of lauryl methacrylate, 3 g of methacrylic acid, 15 g of ethylene glycol dimethacrylate, and 2 g of lauryl peroxide were placed in a beaker, and the mixture was stirred and dissolved. Among them, ion-exchanged water in which 0.75 g of N-stearyl sulfonyl-N-methyl taurate (SMT) was dissolved was added. 400 g was dispersed in a homogenizer to a particle size of 2.2 μm. This dispersion was poured into a four-necked flask, and nitrogen substitution was carried out for 30 minutes with stirring. The internal temperature of the flask was heated to 80 ° C by an oil bath, and after polymerization was carried out for 5 hours at 80 ° C, 3.9 g of 1 N NaOH was added dropwise for neutralization. The dispersion of the polymerized particles is freeze-dried, and the particles are recovered to obtain a resin powder.

[Examples 1 to 25, Comparative Examples 1 to 8]

The emulsified cosmetic composition shown in Tables 1 to 4 is used to analyze the structure of the dried film by X-ray, the uniform adhesion of the powder, the difficulty of the powder to rub off, the feeling of no stickiness and refreshing feeling, and the moisturizing feeling. Continue to evaluate. The results are combined and shown in Tables 1-4.

(Production method) (1) Examples 1 to 5, 7, 9 to 21, and Comparative Examples 1 to 8

The components (A), (B) and (C) were heated to 85 ° C, dissolved, and stirred uniformly. Next, the component (E) other than the component (E) of the component (E) and the neutralizer (arginine or glutamic acid) of the component (A) are mixed and heated to 80 to 90 °C. This mixture was mixed with a mixture of the components (A), (B) and (C) to make it uniform. Thereafter, the mixture was cooled to 25° C., and a mixture of the component (E) and the component (D) in an amount of 5% by mass was further mixed and homogenized to obtain an emulsified cosmetic.

(2) Examples 6, 8

The components (B) and (C) were heated to 85 ° C, dissolved, and stirred uniformly. Next, the component (E) other than the component (E) of the component (E) and the component (A) are mixed and heated to 80 to 90 °C. This mixture and a mixture of the components (B) and (C) were mixed and stirred to make them uniform. Thereafter, the mixture was cooled to 25° C., and a mixture of the component (E) and the component (D) in an amount of 5% by mass was further mixed and homogenized to obtain an emulsified cosmetic.

(3) Examples 22 to 25

The components (A), (B) and (C) were heated to 85 ° C, dissolved, and stirred uniformly. Next, the component (E) and the component (A) neutralizer (arginine) are mixed and heated to 80 to 90 °C. This mixture was mixed with a mixture of the components (A), (B) and (C) to make it uniform. Thereafter, the mixture was cooled to 25 ° C, and a mixture of ethanol and the component (D) and other water-soluble components was further mixed and homogenized to obtain an emulsified cosmetic.

(1) Structural analysis of the dried film by X-ray:

On the surface of black artificial leather (seranuback black, manufactured by Okamoto Chemical Co., Ltd.), each cosmetic was applied to a thickness of 0.1 mm using an applicator (manufactured by YOSHIMITSU Co., Ltd.), and dried at room temperature for one day. The dried film was taken and the structure was confirmed by diffraction with an X-ray structure. The results are shown below.

α type: a film is formed and configured as an α type.

Contains a non-α type: forms a film, and the structure contains a non-α type.

-: No film was formed.

(2) Uniform adhesion of powder

On the surface of a black artificial leather (seranuback black, 5 cm × 15 cm, manufactured by Okamoto Chemical Co., Ltd.), each cosmetic was applied to a thickness of 0.1 mm using an applicator (manufactured by YOSHIMITSU Co., Ltd.). Five of the professional inspectors were used to evaluate the uniformity of appearance according to the following criteria, and the average value was obtained.

5: The powder adheres very evenly.

4: The powder is evenly attached.

3: The powder adheres almost uniformly.

2: The powder is not uniform.

1: The powder is not uniform.

(3) The difficulty of the powder on the friction:

Each of the cosmetic materials was applied to a surface of a black artificial leather (seranuback black, 5 cm × 15 cm, manufactured by Okamoto Chemical Co., Ltd.), and coated with a thickness of 0.1 mm, and dried for one day. Then, using a surface measuring machine (HEIDON, manufactured by SOHGOH KEISO Co., Ltd.), 5 times was carried out with a stroke of 5 cm (5 cm/s) under a pressure of 50 g/cm ² . The degree of change in appearance was visually observed by a professional inspector, and the difficulty of falling off the powder was evaluated according to the following criteria.

5: The powder remained almost no change in appearance.

4: Although the powder remains almost, the appearance slightly changes.

3: The powder is slightly reduced and the appearance changes.

2: The powder is reduced and the appearance changes.

1: The powder is significantly reduced and the appearance changes greatly.

(4) The persistence of no sticky feeling and refreshing feeling:

0.5 g of each cosmetic was applied to the entire face by five professional inspectors. After 5 hours, the face was touched with a hand, and the feeling of no stickiness and refreshment were evaluated according to the following criteria, and the average value was obtained.

5: I feel very sticky and refreshing.

4: Feel the feeling of no sticky and refreshing.

3: Slightly feel no sticky feeling and refreshing feeling.

2: Almost no feeling of stickiness and refreshment.

1: No feeling of stickiness and refreshing feeling.

(5) Continuation of moisturizing feeling:

0.5 g of each cosmetic was applied to the entire face by five professional inspectors. The moisturizing feeling after 5 hours was evaluated according to the following criteria, and the average value was obtained.

5: I feel a sense of moisturizing.

4: I feel a moisturizing feeling.

3: I feel a little moisturizing.

2: Almost no feeling of moisturizing.

1: No feeling of moisturizing.

[Examples 26 to 27 (lotions)]

In the same manner as in Example 22, the lotion having the composition shown in Table 5 was produced, and the structure of the dried film was analyzed by X-ray, the uniform adhesion of the powder, the difficulty of peeling off the powder against friction, and the feeling of no stickiness and refreshment. Continuous and moisturizing continuation is evaluated. The results are combined and shown in Table 5.

[Example 28 (emulsion)]

In the same manner as in Example 22, an emulsion having the composition shown in Table 6 was produced, and the structure of the dried film was analyzed by X-rays, the uniform adhesion of the powder, the difficulty of peeling off the powder against friction, and the absence of The viscous sensation and the continuation of the refreshing sensation and the hydration sensation are continuously evaluated. The results are combined and shown in Table 6.

[Examples 29 to 31 (cream)]

In the same manner as in Example 22, the cream having the composition shown in Table 7 was produced, and the structure of the dried film was analyzed by X-rays, the uniform adhesion of the powder, the difficulty of peeling off the powder against friction, and the absence of The viscous sensation and the continuation of the refreshing sensation and the hydration sensation are continuously evaluated. The results are combined and shown in Table 7.

Claims (9)

An emulsified cosmetic containing the following components (A), (B), (C), (D), and (E): (A) one selected from a neuroamine alkoxide and an ionic surfactant (B) one or more compounds selected from two linear fatty acid glycerides and two linear fatty acid sorbitan esters; (C) from the general formula ( 3) the compound shown, an alcohol having 12 to 22 carbon atoms, a monoglyceride having 12 to 22 carbon atoms, a monoalkyl glyceryl ether having 12 to 22 carbon atoms, and a mono fatty acid sorbitan having a carbon number of 12 to 22 One or more compounds selected from esters; (wherein R ¹¹ represents a straight-chain, branched chain or cyclic saturated or unsaturated hydrocarbon group or hydrogen atom which may have a hydroxyl group, a carbonyl group or an amine group of 4 to 30; Z represents a methylene group, a methine or an oxygen atom; X ¹¹ , X ¹² and X ¹³ each independently represent a hydrogen atom, a hydroxyl group or an ethoxy group; X ¹⁴ represents a hydrogen atom, an ethyl fluorenyl group or a glyceryl group, or together with an adjacent oxygen atom Forming a pendant oxy group (however, when Z is a methine group, either of X ¹¹ and X ¹² is a hydrogen atom, the other is absent; when X ¹⁴ forms a pendant oxy group, X ¹³ is absent); ¹² and R ¹³ each independently represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group or an ethoxymethyl group; and R ¹⁴ represents a hydroxyl group, a carbonyl group or an amine group which may be substituted with a hydroxyl group, an ester bond or an anthracene. a linear, branched or cyclic saturated or unsaturated hydrocarbon group having a carbon number of 5 to 60; R ¹⁵ represents a hydrogen atom, or may have a hydroxyl group, a hydroxyalkoxy group, an alkoxy group and an ethyl group. a saturated or unsaturated hydrocarbon group of a linear or branched chain having a total carbon number of 1 to 30, which is a substituent selected from the oxy group (however, when R ¹¹ is a hydrogen atom and Z is an oxygen atom, R ¹⁵ is a total carbon number) 10~30 a hydrocarbon group; when R ¹¹ is a hydrocarbon group, R ¹⁵ is a hydrocarbon group having a total carbon number of 1 to 8; a dotted line indicates that it may be an unsaturated bond); (D) a powder having an average particle diameter of 0.1 to 30 μm is 0.01 to 30 mass. %; (E) water; in the components (A), (B) and (C), the mass ratio of (1) (A) / ((B) + (C)) is 0.04 ~ 1; (2) (B / ((B) + (C)) has a molar fraction of 0.01 to 0.45; (3) (B) + (C) The composition of the compound has a maximum molar fraction of 0.2%. 0.8. For example, in the emulsified cosmetic material of claim 1, wherein among the components (A), (B), (C) and (D), (D)/((A)+(B)+(C)) The mass ratio is 0.01~10. The emulsified cosmetic of the first aspect of the invention, wherein the compound of the component (B) and the component (C) is three or more. An emulsified cosmetic according to claim 1, wherein the component (A) is a mercapto glutamate. An emulsified cosmetic according to the first aspect of the invention, wherein the component (D) is a powder which is not hydrophobized. An emulsified cosmetic according to claim 1, wherein the component (D) is a spherical powder. The emulsified cosmetic according to claim 1, wherein the component (D) is porous cerium oxide. An application for applying the emulsified cosmetic of the first application of the patent scope to the skin for moisturizing the skin. A method for producing an emulsified cosmetic material, which is used for manufacturing the milk of claim 1 The cosmetic has the following steps: Step 1: Mixing the unneutralized component (A), the component (B), the component (C), and other oily components, heating to a melting point of the highest melting point component, and stirring. a step of obtaining the mixture (1); Step 2: mixing a portion of the component (E), the neutralizing agent (A), and other water-soluble components, and heating to substantially the same temperature as the mixture (1) to obtain a mixture (5) Step 3: Mixing the mixture (1) with the mixture (5), homogenizing, cooling to 15 to 35 ° C, mixing the remaining components (E), component (D) and other water-soluble components, so that Its uniform steps.