JP4772361B2 - Hair cosmetics - Google Patents

Description

  The present invention provides a hair cosmetic composition containing amidoamine, which gives sufficient smoothness and softness during rinsing after being applied to the hair, and further gives a smooth, cohesive and glossy finish to damaged hair. About.

  Hair cosmetics such as rinses, conditioners and treatments are used to improve the feel of the hair after shampooing. These hair cosmetics contain a quaternary ammonium salt as a main component in order to improve the feel of the hair, and in order to further enhance the effect, an aliphatic alcohol such as cetanol or an oil agent is blended. The dosage form emulsified in a gel form is mainly used. However, it cannot be said that these impart sufficient smoothness and moistness to the hair.

  In recent years, it has been found that a specific amidoamine compound or an acid salt thereof can impart smoothness and flexibility to hair, and a hair cosmetic compounded with an amidoamine compound or an acid salt thereof has been proposed (for example, Patent Document 1). To 3).

  It is also known that the amidoamine compound or a salt thereof can provide a hair cosmetic that is highly safe and has a mild action on the skin or the like (for example, Patent Document 4 and Non-Patent Document 1). As such a specific amidoamine, dimethylaminopropylamide stearate is widely known, but there is a problem in gel formation when an aliphatic alcohol or an oil is blended, and the smoothness and moist feeling given to the hair. Was not satisfactory.

Furthermore, a hair conditioning agent containing a tertiary amine having an ether group in the molecule or a salt thereof has been proposed (Patent Document 5). This conditioning agent can impart good flexibility and slipperiness to the hair from wet to dry, but there are cases where the hair or body feels null / sticky during treatment on some hair, etc. I was never satisfied with the feeling of use.
Japanese Patent Laid-Open No. 5-271535 Japanese Patent Application Laid-Open No. 5-271636 International Publication No. 2004/030646 Pamphlet Japanese Patent Laid-Open No. 11-79947 JP 2004-2261 A FRAGRANSE JOURNAL, 24 (12), 106-111 (1996)

  It is an object of the present invention to provide sufficient smoothness and softness during rinsing after applying to the hair, without causing disadvantages such as stickiness and stickiness during the treatment on the hair, and also for damaged hair. Another object of the present invention is to provide a hair cosmetic that can give a smooth, coherent and glossy finish, and has a high safety and a mild action on the skin.

  The present inventor uses a combination of an amidoamine having a hydrocarbon chain length of a specific length and an etheramine having an ether group in the molecule for application to the hair while suppressing nulliness and stickiness to the hair and body. The present inventors have found that sufficient slickness and softness can be imparted during the rinsing to wash out the hair, and that the damaged hair can be given a smooth, coherent and glossy finish.

That is, this invention contains the following (a) component and (b) component, and the weight ratio (a) / (b) of (a) component and (b) component is 10/1-1/10. Provide hair cosmetics.
(A) Etheramine represented by general formula (I) (hereinafter referred to as etheramine (I))

[Wherein, R ¹ is a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms, R ² and R ³ are the same or different, and are an alkyl group having 1 to 6 carbon atoms, or — (AO ) _m H (A represents an alkylene group having 2 to 4 carbon atoms, m represents a number of 1 to 6, m m may be the same or different, and the arrangement thereof is arbitrary). ]
(B) Amidoamine represented by general formula (II) (hereinafter referred to as amidoamine (II))

[In the formula, R ⁴ CO has a proportion of fatty acid residues of 20 or more carbon atoms of 60% by weight or more, a proportion of fatty acid residues of 20 carbon atoms of 3% by weight or more, and 22 carbon atoms in all fatty acid residues. Fatty acid residues having a fatty acid residue ratio of 50 to 95% by weight are shown. ]

  The hair cosmetic composition of the present invention provides sufficient smoothness and softness during rinsing after applying to the hair, while suppressing the stickiness and stickiness on the hair and body, and even the damaged hair is smooth and organized. A glossy finish can be imparted.

In the ether amine (I) of the component (a) used in the present invention, R ¹ is a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms, and has good flexibility from wet to dry In addition, from the viewpoint of imparting slipperiness and excellent slipperiness after drying, a linear or branched alkyl group or alkenyl group having 12 to 24 carbon atoms, more preferably 14 to 22 carbon atoms is preferable, and an alkyl group is particularly preferable. It is preferable.

R ² and R ³ are each independently an alkyl group having 1 to 6 carbon atoms or — (AO) _m H (A and m are as defined above), and good flexibility from wet to dry In addition, from the viewpoint of providing slipperiness and excellent slipperiness after drying, an alkyl group having 1 to 6 carbon atoms or — (CH ₂ CH ₂ O) _n H (n is preferably 1 to 3, particularly preferably 1). Further, an alkyl group having 1 to 6 carbon atoms is preferable, and a methyl group and an ethyl group are particularly preferable among them.

In the amidoamine (II) as the component (b) used in the present invention, the composition of fatty acid residues represented by R ⁴ CO is such that the proportion of fatty acid residues having 20 or more carbon atoms is 60% by weight or more in all fatty acid residues. The ratio of the fatty acid residue having 20 carbon atoms is 3% by weight or more, and the ratio of the fatty acid residue having 22 carbon atoms is 50 to 95% by weight, giving good flexibility and slipperiness from wet to dry. In particular, from the viewpoint of excellent slipperiness after drying, the proportion of fatty acid residues having 20 or more carbon atoms is preferably 75% by weight or more, more preferably 90% by weight or more, and the proportion of fatty acid residues having 20 carbon atoms is The proportion of fatty acid residues having 22 carbon atoms is preferably 4% by weight or more, more preferably 5% by weight or more, preferably 55 to 95% by weight, more preferably 70 to 95% by weight, and particularly preferably 80 to 95%. % By weight. In the present invention, the fatty acid residue means a site of R ⁴ CO.

  In the hair cosmetic composition of the present invention, the total content of the component (a) and the component (b) gives a good feel to the hair, and is preferably 0.01 to 20% by weight from the viewpoint of product stability. 1 to 15% by weight is more preferable, and 0.1 to 10% by weight is particularly preferable. Further, the content of the component (a) and the component (b) in the hair cosmetic composition of the present invention is 0.1 to 10% by weight, further 0.1 to 5% by weight, particularly 0.5 to 3% by weight. It is preferable that Furthermore, the weight ratio (a) / (b) of the component (a) to the component (b) in the hair cosmetic composition of the present invention is 10/1 to 1/10. From the viewpoint of reducing unpleasant nullness and stickiness, 7/1 to 1/7 is preferable.

  The hair cosmetic composition of the present invention can contain an organic acid (hereinafter referred to as component (c)). As the organic acid, an organic acid having 10 or less carbon atoms is preferable. For example, an acid having a short-chain alkyl group having 10 or less carbon atoms such as alkylphosphoric acid, alkylsulfonic acid, and alkylsulfuric acid, L-glutamic acid, L-aspartic acid, etc. Acidic amino acids; pyroglutamic acid; aromatic acids such as benzoic acid, p-toluenesulfonic acid, xylenesulfonic acid, naphthalenesulfonic acid; and hydroxy acids. Examples of the hydroxy acid include glycolic acid, lactic acid, glyceric acid, gluconic acid, pantothenic acid, malic acid, tartaric acid, and citric acid. Of these, acidic amino acids, pyroglutamic acid, and hydroxy acids are preferred from the viewpoint of providing moisturizing and softening effects on hair, and among these, hydroxy acids are particularly preferred.

  The content of the component (c) in the hair cosmetic composition of the present invention is preferably 0.1 to 10% by weight, particularly preferably 0.1 to 5% by weight. In addition, from the viewpoint of excellent effect of repairing / suppressing hair damage (cavity inside hair) due to coloring or drying of the hair dryer, the content of component (c) is the total amount of component (a) and component (b). On the other hand, 0.5-10 mol times are preferable, 1.5-10 mol times are further more preferable, and 1.5-5 mol times are especially preferable.

  The pH when applying the hair cosmetic composition of the present invention to the hair (pH as a 5% by weight aqueous solution of the hair cosmetic composition at 25 ° C.) is 2 to 7 from the viewpoint of good hair feel and product stability. Is preferable, and 2 to 6, particularly 2 to 5 is preferable. As a pH adjuster, a base such as sodium hydroxide, potassium hydroxide, or ammonium chloride may be used in addition to the components described as organic acids.

  Moreover, the hair cosmetics of this invention can contain a C8-C30 aliphatic alcohol. Of these, aliphatic alcohols having a straight-chain alkyl group or alkenyl group having 10 to 26 carbon atoms or a branched-chain alkyl group are more preferred from the viewpoints of fingering and smoothness when applied to hair. In particular, a linear alcohol having 10 to 26 carbon atoms is preferable, and examples thereof include cetyl alcohol, stearyl alcohol, aralkyl alcohol, and behenyl alcohol, and stearyl alcohol is particularly preferable. Two or more of these aliphatic alcohols may be used in combination.

  The content of the aliphatic alcohol in the hair cosmetic composition of the present invention is preferably 0.1 to 20% by weight, more preferably 0.1 to 15% by weight, and particularly preferably 0.5 to 10% by weight.

  The hair cosmetic composition of the present invention further contains an organic solvent, thereby improving the smoothness and slipping feeling during application / rinsing, further imparting softness to the hair after drying, and coloring, Hair damage (cavity inside hair) due to drying of a dryer or the like can be repaired and suppressed.

  Examples of the organic solvent include organic solvents selected from the following (1) to (5).

  (1) Compound represented by general formula (III)

[Wherein R ⁵ is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a group R ⁶ —Ph—R ⁷ — (R ⁶ ; a hydrogen atom, a methyl group or a methoxy group, R ⁷ ; 1-3, a saturated or unsaturated divalent hydrocarbon group, Ph (paraphenylene group), Y and Z each independently represent a hydrogen atom or a hydroxyl group, and p, q, and r each independently represent 0 to 0. An integer of 5 is shown. However, when p = q = 0, Z is a hydroxyl group, and R ⁵ is neither a hydrogen atom nor a group R ⁶ —Ph—. ]
(2) N-alkylpyrrolidone having a C1-18 alkyl group bonded to a nitrogen atom
(3) alkylene carbonate having 2 to 4 carbon atoms of alkylene group
(4) Polypropylene glycol with a molecular weight of 200-5000
(5) Lactone or cyclic ketone represented by general formula (IV), (V) or (VI)

[Wherein, X represents a methylene group or an oxygen atom, R ⁸ and R ⁹ represent different substituents, and s and t represent 0 or 1. ]
Examples of (1) include monovalent alcohols such as ethanol, 1-propanol, 2-propanol, butanol, and isobutanol, where p = q = 0 and Z is a hydroxyl group. In addition, aromatic alcohols such as benzyl alcohol, cinnamyl alcohol, phenethyl alcohol, p-anisyl alcohol, p-methylbenzyl alcohol, phenoxyethanol, 2-benzyloxyethanol and the like having the group R ⁶ —Ph—R ⁷ — Kind. Furthermore, polyhydric alcohols such as ethylene glycol, propylene glycol, 1,3-butanediol, glycerin, methyl carbitol, ethyl carbitol, propyl carbitol, butyl carbitol, triethylene glycol monoethyl ether, triethylene glycol mono And butyl ether.

  Examples of (2) include N-methylpyrrolidone, N-octylpyrrolidone, N-laurylpyrrolidone and the like.

  Examples of (3) include ethylene carbonate and propylene carbonate.

  The polypropylene glycol (4) preferably has a molecular weight of 200 to 1000.

In (5), R ⁸ and R ⁹ in the general formulas (IV) to (VI) are linear, branched or cyclic alkyl groups, hydroxyl groups, sulfonic acid groups, phosphoric acid groups, carboxy groups, phenyl groups. , A sulfoalkyl group, an alkyl phosphate group, a carboxyalkyl group, and the like are preferable. In particular, in the case of γ-lactone, the γ-position is substituted, and in the case of δ-lactone, the δ-position (that is, the methylene adjacent to the hetero oxygen atom) is substituted. C1-C6 linear or branched alkyl groups such as methyl, ethyl, propyl, isopropyl and butyl groups are preferred. In addition, when it is desired to increase the water solubility of the compounds represented by the general formulas (IV) to (VI), an acidic group such as a sulfonic acid group, a phosphoric acid group, a carboxy group or the like may be used as R ⁸ or R ^9. It preferably has a substituted alkyl group. Among (5), examples of the lactone include γ-butyrolactone, γ-caprolactone, γ-valerolactone, δ-valerolactone, δ-caprolactone, δ-heptanolactone, and the like, from the viewpoint of lactone stability. , Γ-lactone, particularly γ-butyrolactone and γ-caprolactone are preferred. Examples of cyclic ketones include cyclopentanone, cyclohexanone, cycloheptanone, and 4-methylcycloheptanone.

  Among these organic solvents, (1) aromatic alcohol, polyhydric alcohol, (3) alkylene carbonate, and (4) polypropylene glycol are particularly preferable. Two or more kinds of these organic solvents may be used in combination.

  The content of the organic solvent in the hair cosmetic composition of the present invention is preferably from 0.1 to 20% by weight, particularly preferably from 0.1 to 10% by weight, from the viewpoint of adsorbability of the agent and imparting elasticity to the hair.

  The hair cosmetic composition of the present invention can contain an oily component other than a higher alcohol for the purpose of enhancing the hair protection effect such as imparting a smooth slipperiness, flexibility or glossiness after drying. As oily components, in addition to silicones and ester oils, higher fatty acids such as capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, coconut oil fatty acid, isostearic acid, isopalmitic acid, Examples thereof include hydrocarbon oils such as liquid paraffin, liquid isoparaffin, cycloparaffin, petrolatum, squalene and squalane, waxes such as beeswax, whale wax, lanolin and carnauba wax.

  Silicones include silicone rubber, silicone oil, functional group-modified silicone and the like, and examples include silicones such as the following (i) to (viii).

(I) highly polymerized dimethylpolysiloxane;
For example, BY11-026, BY22-19 (Toray Dow Corning Silicone Co., Ltd.), FZ-3125 (Nihon Unicar Co., Ltd.) and the like can be mentioned.

  As the highly polymerized dimethylpolysiloxane, those dissolved or dispersed in a liquid oil (for example, the following dimethylpolysiloxane oil, a liquid silicone oil such as cyclic silicone, or a liquid hydrocarbon oil such as isoparaffin) can be used.

  (Ii) Dimethylpolysiloxane oil represented by general formula (VII):

(In the formula, a represents an integer of 0 to 650.)
Specifically, commercially available products such as SH200C series, viscosities 1 cs, 50 cs, 200 cs, 1000 cs, 5000 cs (Toray Dow Corning Silicone Co., Ltd.) are included.

  (Iii) a cyclic silicone represented by the general formula (VIII);

(Wherein b represents an integer of 3 to 7)
Specific examples include octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane and the like. Examples of commercially available products include SH244 and SH245 (Toray Dow Corning Silicone Co., Ltd.).

  (Iv) an amino-modified silicone represented by the general formula (IX);

[Wherein R ¹⁰ represents a methyl group, R ¹¹ represents the same group as R ¹² , a methyl group or a hydroxyl group, R ¹² represents —R ¹³ —W (where R ¹³ represents a divalent carbon atom having 3 to 6 carbon atoms, Hydrogen group, W represents a primary to tertiary amino group-containing group or an ammonium group-containing group.), C and d are each a positive integer, and c + d depends on the molecular weight. A preferable average molecular weight is 3000 to 100,000. ]
For example, SS-3551, SF8452C, DC8500, DC929 (above Toray Dow Corning Silicone Co., Ltd.), KT 1989 (GE Toshiba Corporation) can be mentioned. When amino-modified silicone is used as an aqueous emulsion, the amount of amino-modified silicone contained in the aqueous emulsion is preferably 20 to 60% by weight, and more preferably 30 to 50% by weight. Preferred amino-modified silicone aqueous emulsions include SM8704C (Toray Dow Corning Silicone Co., Ltd.) and the like.

(V) polyether-modified silicone;
Examples include SH3771M (Toray Dow Corning Silicone Co., Ltd.), SILSOFT A-843, SILSOFT SHINE (both Nippon Unicar Co., Ltd.), and the like.

(Vi) Fluorine-modified silicone (vii) Alkyl-modified silicone (viii) Amino-modified siloxane-polyoxyalkylene block copolymer A copolymer represented by the general formula (X) is preferable, for example, FZ-3789 (Nippon Unicar Corporation) )) And the like.

[Wherein, R ¹³ represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms, R ¹⁴ represents either the same group as R ¹³ or E, and E represents —R ¹⁵ —G ( Here, R ¹⁵ represents a direct bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, and G represents a primary to tertiary amino group-containing group or an ammonium group-containing group. E represents a number of 2 or more, f represents a number of 1 or more, j represents a number of 2 to 10, g of j may be the same or different, g is 4 or more H represents a number of 2 or more, and D represents a divalent organic group bonded to an adjacent silicon atom by a carbon-silicon atom and to a polyoxyalkylene block chain by an oxygen atom. A plurality of R ¹³ , R ¹⁴ and E may be the same or different. ]
Among these silicones, (i) highly polymerized dimethylpolysiloxane, (ii) dimethylpolysiloxane oil, (iii) cyclic silicone, (iv) amino-modified silicone, (viii) amino-modified siloxane-polyoxyalkylene block copolymer Or a mixture thereof, among which (iv) amino-modified silicone and (viii) amino-modified siloxane-polyoxyalkylene block copolymer are particularly preferable.

  Two or more types of silicones may be used in combination. The content of silicones is preferably 0.1 to 20% by weight, more preferably 0.5 to 10% by weight, and particularly preferably 1.0 to 5% by weight in the hair cosmetic because it gives a good feel to the hair.

  As ester oil, monoester oil, ester oil which has two or more ester bonds in a molecule | numerator, and 1 type, or 2 or more types of mixtures of fats and oils are preferable. Such ester oils include camellia oil, macadamia nut oil, corn oil, olive oil, avocado oil, castor oil, safflower oil, jojoba oil, sunflower oil, rapeseed oil, sesame oil, soybean oil, meadow foam, isopropyl myristate, palmitic acid Isopropyl acid, myristyl myristate, octyl palmitate, stearyl stearate, isocetyl stearate, isononyl isononanoate, isotridecyl isononanoate, stearic acid hydrogenated castor oil, hydroxystearic acid hardened castor oil, glyceryl tri-2-ethylhexanoate, tetra-2 -Pentaerythritol ethylhexanoate, neopentyl glycol dicaprate, diglyceryl diisostearate, dipentaerythritol and hydroxystearic acid / stearic acid / rosin An ester of a mixed fatty acids and the like.

  Two or more of these may be used in combination. The content of the ester oil is preferably 0.1 to 20% by weight in the hair cosmetic, more preferably 0.1 to 5% by weight, and particularly preferably 0.1 to 2% by weight.

  The content of the oily component other than the higher alcohol in the hair cosmetic composition of the present invention is preferably 0.1 to 20% by weight, more preferably 0.1 to 10% by weight, especially 0. 5 to 5 weight% is preferable.

  The hair cosmetic composition of the present invention may further contain a hair repair component, a surfactant, water and the like. The hair repair component is a compound having a hair repair effect, and amino acids or amino acid derivatives, vitamins, sphingosines, and ceramides are preferable.

  Examples of amino acids include arginine, lysine, histidine, proline, cysteine, methionine, serine, threonine, tyrosine, glutamine, and isoleucine. Particularly preferred are arginine and lysine. Examples of amino acid derivatives include trimethylglycine, peptides such as acylated amino acids, acylalkylamino acids, dipeptides and tripeptides. Furthermore, proteins derived from animals such as keratin, elastin, collagen, lactoferrin, casein, α (β) -lactalbumin, globulins, ovalbumin and their hydrolysates, plants such as wheat, malt, soybean, silk Proteins and their hydrolysates are also included. Of these, keratin, elastin, collagen, casein and hydrolysates thereof, wheat protein, soybean protein, silk protein and hydrolysates thereof are preferable. In the present invention, these amino acids and amino acid derivatives are used alone or in combination of two or more. Moreover, the content is 0.01-7 weight% with respect to the hair cosmetics whole quantity of this invention, Especially 0.05-2 weight% is preferable.

  Vitamins include tocopherol acetate, ascorbic acid, vitamin B1, vitamin B5, vitamin D, vitamin A, nicotinic acid amide, panthenol, pantothenyl ethyl ether, etc., among which tocopherol acetate, panthenol, pantothenyl ethyl ether Is preferred. When vitamins are contained, the blending amount is preferably 0.01 to 2% by weight, particularly preferably 0.05 to 1% by weight, based on the total amount of the hair cosmetic composition of the present invention.

  Examples of sphingosines include dihydrosphingosine and phytosphingosine. Examples of ceramides include N-acylated sphingosines, N-acylated phytosphingosines, N-acylated dihydrosphingosines obtained by synthesis or extraction from natural products. The substituent substituted with sphingosine, dihydrosphingosine, or phytosphingosine is a linear or branched alkyl group or alkenyl group having 8 to 22 carbon atoms, and 1 to 5 hydrogen atoms of the group are substituted by a hydroxyl group. May be substituted. Specifically, in addition to ceramide 1, ceramide 2, ceramide 3, ceramide 1A, ceramide 6II, hydroxycaproylphytosphingosine, sphingolipid EX (Japanese Patent Laid-Open No. 11-209248), sphingolipid E (Japanese Patent Publication No. 01-042934). Synthetic pseudoceramides such as No. 1) can also be used. One or more sphingosines and ceramides can be used, and the content thereof is 0.01 to 5% by weight, more preferably 0.05 to 2% by weight, particularly 0.1%, based on the total amount of the hair cosmetic. ˜1% by weight is preferred.

Examples of the surfactant used in the present invention include a cationic surfactant, a nonionic surfactant, an anionic surfactant, and an amphoteric surfactant.
As the cationic surfactant, a compound represented by the general formula (XI) is preferable.

[Wherein, R ¹⁶ and R ¹⁷ each independently represent a hydrogen atom, an alkyl group having 1 to 28 carbon atoms, or a benzyl group, except for the case of simultaneously forming a hydrogen atom or a benzyl group. An ⁻ represents an anion. ]
Here, when R ¹⁶ and R ¹⁷ are alkyl groups, those having 16 to 24 carbon atoms, particularly 22 carbon atoms, are preferred, and linear alkyl groups are preferred. Examples of the anion An ⁻ include halide ions such as chloride ions and bromide ions, organic anions such as ethyl sulfate ions and methyl carbonate ions, and halide ions, particularly chloride ions are preferable. As the cationic surfactant, mono long-chain quaternary ammonium salts are preferable, and specific examples include behenyltrimethylammonium chloride, stearyltrimethylammonium chloride, cetyltrimethylammonium chloride, and aralkyltrimethylammonium chloride. Behenyltrimethylammonium is preferred.

  Nonionic surfactants include polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene sorbite fatty acid esters, polyoxyalkylene glycerin fatty acid esters, polyoxyalkylene fatty acid esters, polyoxyalkylene alkyl ethers, polyoxyalkylenes Examples include alkylphenyl ethers, polyoxyalkylene (cured) castor oils, sucrose fatty acid esters, polyglycerin alkyl ethers, polyglycerin fatty acid esters, fatty acid alkanolamides, and alkyl glycosides.

Of these, alkylglycosides, polyoxyalkylene (C ₈ -C ₂₀ ) fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene hydrogenated castor oil, and fatty acid alkanolamides are preferred. As the fatty acid alkanolamide, those having an acyl group having 8 to 18 carbon atoms, particularly 10 to 16 carbon atoms are preferable. The fatty acid alkanolamide may be either a monoalkanolamide or a dialkanolamide, and preferably has a hydroxyalkyl group having 2 to 3 carbon atoms, such as oleic acid diethanolamide, palm kernel oil fatty acid diethanolamide, coconut oil. Fatty acid diethanolamide, lauric acid diethanolamide, polyoxyethylene coconut oil fatty acid monoethanolamide, coconut oil fatty acid monoethanolamide, lauric acid isopropanolamide, lauric acid monoethanolamide, etc. Anionic surfactants include sulfuric acid Sulfonic acid type and carboxylic acid type. Specifically, polyoxyethylene alkyl ether sulfate, polyoxyethylene alkenyl ether sulfate, alkyl sulfate, polyoxyalkylene alkyl phenyl ether sulfate, sulfosuccinic acid alkyl ester salt, polyoxyalkylene sulfosuccinic acid alkyl ester salt, alkane Examples include sulfonates and higher fatty acid salts. Examples of amphoteric surfactants include betaine surfactants. Of these, betaine surfactants such as alkyldimethylaminoacetic acid betaine and fatty acid amidopropyl betaine are more preferred, and fatty acid amidopropyl betaine is particularly preferred. The fatty acid amidopropyl betaine preferably has an acyl group having 8 to 18 carbon atoms, particularly 10 to 16 carbon atoms, and in particular, lauric acid amidopropyl betaine, palm kernel oil fatty acid amidopropyl betaine, coconut oil fatty acid amidopropyl betaine and the like. preferable.

  The content of the surfactant is preferably 0.05 to 20% by weight, more preferably 0.1 to 10% by weight, and particularly preferably 0.1 to 5% by weight with respect to the total amount of the hair cosmetic.

  In addition to the above-mentioned components, the hair cosmetic of the present invention can be blended with components used in ordinary hair cosmetics. For example, polymer compounds such as cationized cellulose, hydroxylated cellulose, and highly polymerized polyethylene oxide; anti-dandruff agents such as zinc pyrithione and benzalkonium chloride; pearlizing agents; liquid crystal forming agents; Eucalyptus polar solvent extract, ginseng extract , Rice germ extract, hibamata extract, aloe extract, moon peach leaf extract, chlorella extract, etc .; chelating agent; UV absorber; antioxidant; preservative; coloring agent; You can also.

  The hair cosmetic composition of the present invention can be formed into a desired dosage form such as an aqueous solution, an ethanol solution, an emulsion, a suspension, a gel, a liquid crystal, and an aerosol.

  The hair cosmetic composition of the present invention can be used for hair rinses, hair conditioners, hair treatments, hair packs, hair creams, leave-on treatments, and the like. The hair cosmetic composition of the present invention can be produced by a conventional method.

  In the following, all items in% are by weight.

Production Example 1: Preparation Example of Etheramine (I) Stearyl alcohol (Kao Co., Ltd., Calcoal 8098) was reacted with acrylonitrile under a potassium hydroxide catalyst to form stearoxypropionitrile, and then hydrogenated using a Raney nickel catalyst. As a result, stearoxypropylamine was obtained. Further, this stearoxypropylamine was reacted with a tertiary agent (formaldehyde and hydrogen) in the presence of a palladium carbon catalyst to obtain stearoxypropyldimethylamine. The purity is 90%, and other components include unreacted raw material stearyl alcohol, stearoxypropylamine, distearoxypropylmethylamine, moisture and the like.

Production Example 2: Preparation Example of Amidoamine (II) Behenic acid dimethylaminopropylamide was obtained by amidation reaction using behenic acid (Lunac BA, Kao Corporation) and dimethylaminopropylamine as raw materials. The purity is 98%, and other components include unreacted raw materials behenic acid, amine, moisture, and the like. The composition of the fatty acid residue (R ⁴ CO) was C ₁₇ H ₃₅ CO / C ₁₉ H ₃₉ CO / C ₂₁ H ₄₃ CO / C ₂₃ H ₄₇ CO = 1% / 9% / 88% / 2%. .

Examples 1-7 and Comparative Examples 1-3
A hair cosmetic composition (hair conditioner) having the composition shown in Table 1 was prepared by the following method, the viscosity was measured by the following method, and sensory evaluation was performed by the following method. The results are shown in Table 1.

<Preparation method>
1) In a 100 ml beaker, components other than ion-exchanged water and acid were added in a required amount to give a final production amount of 300 g, and heated to 70 ° C. to be uniformly dissolved.
2) A 500 ml beaker was charged with ion-exchanged water and a required amount of acid to a final production amount of 300 g, heated to 55 ° C., and the mixture obtained in 1) was added and emulsified to prepare a hair conditioner.

<Viscosity measurement method>
The viscosity was measured at 30 ° C. using VISCOMETER TV-10 manufactured by Toki Sangyo Co., Ltd.

<Sensory evaluation method>
A hair bundle (Japanese female hair 20 g, 20 cm subjected to permanent wave treatment once) was washed with 3 g of shampoo. This shampoo composition is 15% polyoxyethylene alkyl (C12) ether sodium sulfate (ethylene oxide average addition mole number 2.5) 15%, diethanolamide 3%, and the balance is water. Thereafter, 2 g of the prepared hair conditioner is applied, rinsed under running water of about 40 ° C. for about 30 seconds, and after being applied to this hair until rinsing (when wet), it is easy to reach the entire hair at the time of application, rinsing The smoothness of time, softness, and the stickiness / nullness of hair and body were evaluated. Next, towel drying was performed, and after drying with a dryer, smoothness, unity, and gloss were evaluated. The evaluation was conducted by 10 panelists and ranked according to the following criteria.
・ Evaluation criteria A: Answer B when 7 or more people are effective; Answer C when 5 to 6 people are effective; Response D when 3 to 4 people are effective; Answer D when 2 or less people are effective

Example 8
A hair conditioner having the following composition was prepared.

<Conditioner composition>
Etheramine (I) of Production Example 1 1.7%
Amidoamine (II) of Production Example 2 0.3%
Stearyl alcohol 5.6%
Lactic acid 2.0%
Glycolic acid 0.2%
Benzyloxyethanol 0.8%
Dipropylene glycol 5.0%
Silicone ^{* 1} 2.0%
Silicone ^{* 2} 1.5%
Amino-modified silicone ^{* 3} 0.5%
Amino-modified silicone-polyoxyalkylene block copolymer ^{* 4} 0.2%
Hydroxyethyl cellulose ^{* 5} 0.3%
Perfume Appropriate amount Purified water remaining amount (pH 3.3)
* 1: Toray Dow Corning Silicone Co., Ltd. BY00-003
* 2: Shin-Etsu Chemical Co., Ltd. KHS-3
* 3: Toray Dow Corning Silicone Co., Ltd. SM8704C
* 4: Nippon Unicar Co., Ltd. FZ-3789
* 5: Daicel Chemical Industries, Ltd. SE-850
In this hair conditioner, nulliness / stickiness during treatment on hair was suppressed, and flexibility during application and rinsing, smoothness, softness after drying, and combing feeling were also good.

Example 9
A treatment agent having the following composition was prepared.

<Composition of treatment agent>
Etheramine (I) of Production Example 1 2.1%
Amidoamine (II) of Production Example 2 0.7%
Behenyltrimethylammonium chloride 0.5%
Stearyl alcohol 6.0%
Behenyl alcohol 1.5%
Sunflower oil (high oleic sunflower oil) ^{* 6} 0.5%
Silicone (KHS-3) ^{* 2} 3.0%
Amino-modified silicone (SM8704C) ^{* 3} 1.0%
Lactic acid 1.0%
Glycolic acid 1.0%
Dipropylene glycol 2.0%
Benzyl alcohol 0.5%
Arginine 0.1%
Pantothenyl ethyl ether 0.1%
Fragrance, methyl paraben Appropriate amount of purified water Remaining amount (pH 3.7)
* 6: Yokoseki Oil & Fat Co., Ltd.
This hair treatment agent was suppressed from stickiness / stickiness during treatment on the hair, and also had good flexibility during application and rinsing, smoothness, softness after drying, and combing feeling.

Example 10
A hair conditioner having the following composition was prepared.

<Conditioner composition>
Etheramine (I) of Production Example 1 1.7%
Amidoamine (II) of Production Example 2 0.3%
Stearyl alcohol 5.0%
Propylene glycol 0.5%
Benzyloxyethanol 0.5%
Silicone (BY00-003) ^{* 1} 3.0%
Amino-modified silicone-polyoxyalkylene block copolymer ^{* 4} 0.5%
Lactic acid 0.7%
Oleic acid glyceride 0.2%
Ceramide 1 ^{* 7} 0.1%
Wheat protein hydrolyzate ^{* 8} 0.2%
Fragrance, methyl paraben Appropriate amount of purified water Remaining amount (pH 4.5)
* 7: Gist-brocades / Cosmoferm Phytoceramide 1
* 8: Seiwa Kasei Co., Ltd. Promoted WG
In this hair conditioner, nulliness / stickiness during treatment on hair was suppressed, and flexibility during application and rinsing, smoothness, softness after drying, and combing feeling were also good.

Claims (7)

A hair cosmetic comprising the following components (a) and (b), wherein the weight ratio (a) / (b) of the components (a) and (b) is 10/1 to 1/10.
(A) Etheramine represented by the general formula (I)

[Wherein, R ¹ is a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms, R ² and R ³ are the same or different, and are an alkyl group having 1 to 6 carbon atoms, or — (AO ) _m H (A represents an alkylene group having 2 to 4 carbon atoms, m represents a number of 1 to 6, m m may be the same or different, and the arrangement thereof is arbitrary). ]
(B) Amidoamine represented by general formula (II)

[In the formula, R ⁴ CO has a proportion of fatty acid residues of 20 or more carbon atoms of 90 % by weight or more, a proportion of fatty acid residues of 20 carbon atoms of 3% by weight or more, and 22 carbon atoms in all fatty acid residues. Fatty acid residues having a fatty acid residue ratio of 70 to 95% by weight are shown. ]   The hair cosmetic according to claim 1, wherein the total content of the component (a) and the component (b) in the hair cosmetic is 0.01 to 20% by weight.   The hair cosmetic composition according to claim 1 or 2, further comprising an organic acid.   Furthermore, the hair cosmetics in any one of Claims 1-3 containing a C8-C30 aliphatic alcohol.   Furthermore, the hair cosmetics in any one of Claims 1-4 containing an organic solvent.   Furthermore, the hair cosmetics in any one of Claims 1-5 containing oil-based components other than C8-C30 aliphatic alcohol. The hair cosmetic composition according to any one of claims 1 to 6, which has a pH of 2 to 7 as a 5% by weight aqueous solution of the hair cosmetic composition at 25 ° C.