JP2012031168A - Hair cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair cosmetic which can obtain sufficient tenseness and stiffness of hair while imparting smoothness upon wetting and smoothness after drying.SOLUTION: The a hair cosmetic contains following components (A) to (C): (A) a tertiary amine compound or its salt of 0.3 to 5 mass%; (B) a polyoxypropylene alkyl ether type nonionic surfactant expressed by following general formula (1) of 0.01 to 1 mass%: RO(CHCH(CH)O)H (1) (wherein, Rdenotes a 8 to 10C straight chain or branched alkyl group or alkenyl group; and m denotes the number of 0.5 to 4 by mass average); and (C) an N-propionyl polyethylene imine-methylpolysiloxane copolymer of 0.01 to 4 mass%, and water.

Description

  The present invention relates to a hair cosmetic.

  Conventionally, hair conditioners are widely used to impart smoothness when wet, smoothness after drying, and unity to hair. For example, Patent Document 1 describes a hair conditioner composition for hair in which a specific tertiary amine compound, an organic acid, and an aliphatic alcohol are combined.

  On the other hand, as a technique for imparting firmness and stiffness to hair, Patent Document 2 describes blending eucalyptus extract into hair cosmetics.

JP 2006-290796 A JP 2007-238635 A JP-A-6-48916

  However, the techniques described in Patent Documents 1 and 2 have room for improvement in terms of obtaining sufficient hair firmness and firmness while imparting smoothness when wet and smoothness after drying.

  The present inventor uses a tertiary amine compound or a salt thereof, a specific polyoxyalkylene ether type nonionic surfactant, and an N-propionyl polyethyleneimine / methyl polysiloxane copolymer in combination within a specific range. Thus, it was found that sufficient smoothness and firmness of hair can be obtained by imparting smoothness when wet and smoothness after drying without impairing the performance as a conditioner.

That is, the present invention
The following components (A) to (C):
(A) Tertiary amine compound or salt thereof 0.3 to 5% by mass
(B) Polyoxypropylene alkyl ether type nonionic surfactant represented by the following general formula (1) 0.01 to 1% by mass
R ²¹ O (CH ₂ CH (CH ₃ ) O) _m H (1)
(In the above general formula (1), R ²¹ represents a linear or branched alkyl group or alkenyl group having 8 to 10 carbon atoms, and m represents a number of 0.5 to 4 in terms of mass average.)
(C) N-propionyl polyethyleneimine / methyl polysiloxane copolymer 0.01 to 4% by mass
And a hair cosmetic containing water.

  ADVANTAGE OF THE INVENTION According to this invention, the hair cosmetics from which sufficient firmness and firmness of hair are obtained can be provided, providing the smoothness at the time of moisture, and the smoothness after drying.

  Hereinafter, embodiments of the present invention will be described.

(Hair cosmetic)
Examples of the components of the hair cosmetic used in the present invention include the following.

  Component (A) is a tertiary amine compound or a salt thereof. Thereby, the hair can be smoothed at the time of application to the scalp or hair or at the time of subsequent rinsing. Examples of the tertiary amine compound include those represented by the general formula (2).

(In the general formula (2), R ¹ is divided or substituted with —OH with a functional group represented by —OCO—, —COO—, —O— or —CONH— having a total carbon number of 8 to 35. A linear or branched alkyl group, an alkenyl group, or an aliphatic acyloxy (polyethoxy) ethyl group, wherein R ² is an alkyl group having 1 to 22 carbon atoms, or a hydroxyalkyl group, or a total number of added moles of 10 or less; And the two R ² groups may be the same or different.)

  As the tertiary amine compound represented by the general formula (2), a tertiary amine salted with an organic acid and / or an inorganic acid may be used, or an acid may be added to the hair cosmetic composition of the present invention. You may mix | blend and may form a salt in a composition with pH adjustment. Examples of the acid include acids having a short-chain alkyl group such as alkyl phosphoric acid, alkyl sulfonic acid, and alkyl sulfuric acid; acidic amino acids such as L-glutamic acid and L-aspartic acid; pyroglutamic acid; benzoic acid, p-toluene sulfone. Aromatic acids such as acids; Hydroxy acids such as glycolic acid, lactic acid, glyceric acid, gluconic acid, pantothenic acid, malic acid, tartaric acid and citric acid; and other phosphoric acids, hydrochloric acid, acetic acid and succinic acid. Of these, organic acids are preferable from the viewpoint of providing moisturizing and softening effects on the hair, particularly acidic amino acids, pyroglutamic acid, and hydroxy acids, and hydroxy acids are more preferable.

  More specific examples of the tertiary amine compound of component (A) include, for example, at least one of the following tertiary amine compounds (or salts thereof) (i) to (iii): .

(I) Hydroxy ether alkylamine (or a salt thereof)
Examples thereof include compounds represented by the following general formula (3) and salts thereof.

(In the general formula (3), R ³ represents a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms, and R ⁴ and R ⁵ are the same or different and have 1 to 6 carbon atoms. Or-(AO) _f H (A is an alkylene group having 2 to 4 carbon atoms, f is a number of 1 to 6, and f A may be the same or different, and the arrangement thereof is arbitrary. E) represents a number from 1 to 5.

  Specifically, hexadecyloxy (2-hydroxypropyl) dimethylamine and its salt, octadecyloxy (2-hydroxypropyl) dimethylamine and its salt are mentioned.

(Ii) Etheramine (or a salt thereof)
Examples thereof include compounds represented by the following general formula (4) or salts thereof.

(In the general formula (4), R ⁶ represents a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms, and R ⁷ and R ⁸ are the same or different and have 1 to 6 carbon atoms. Or-(AO) _g H (A represents an alkylene group having 2 to 4 carbon atoms, g represents a number of 1 to 6, g's may be the same or different, and the arrangement thereof is arbitrary. .)

  Specifically, N, N-dimethyl-3-hexadecyloxypropylamine and its salt, N, N-dimethyl-3-octadecyloxypropylamine and its salt are mentioned.

(Iii) alkylamidoamine (or a salt thereof)
Examples thereof include compounds represented by the following general formula (5) or salts thereof.

(In the general formula (5), R ⁹ represents an aliphatic hydrocarbon group having 11 to 23 carbon atoms, R ¹⁰ is the same or different, and represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; 2 to 4 are shown.)

  Specifically, N- (3- (dimethylamino) propyl) docosanamide and its salt, N- (3-dimethylamino) propyl) stearamide and its salt are mentioned.

  Among the tertiary amine compounds listed in the above (i) to (iii), from the viewpoint of smoothness at the time of coating and rinsing, (ii) ether amine (or a salt thereof), and (iii) alkylamidoamine (or Its salt) is preferred. Among these, (ii) ether amine (or a salt thereof) is particularly preferable. This makes it more difficult for the hair to become tangled during the scalp massage. Furthermore, N, N-dimethyl-3-hexadecyloxypropylamine or a salt thereof, N, N-dimethyl-3-octadecyloxypropylamine or a salt thereof is preferable.

  Component (A) may be used alone or in combination of two or more tertiary amine compounds.

  The content of the component (A) is 0.3% by mass or more, more preferably 0.5% by mass or more, and further preferably 1% by mass or more in the whole hair cosmetic from the viewpoint of imparting smoothness. On the other hand, from the viewpoint of obtaining a good usability, the hair cosmetic contains 5% by mass or less of the component (A), and preferably 3% by mass or less.

Next, the component (B) will be described.
Component (B) is a polyoxypropylene alkyl ether type nonionic surfactant represented by the following general formula (1). Thereby, the hair can be smoothed at the time of application to the hair and subsequent rinsing. In addition, the hair becomes smooth and reduces stickiness, and the hair is firm and firm.

R ²¹ O (CH ₂ CH (CH ₃ ) O) _m H (1)
(In the above general formula (1), R ²¹ represents a linear or branched alkyl group or alkenyl group having 8 to 10 carbon atoms, and m represents a number of 0.5 to 4 in terms of mass average.)

Among these, from the viewpoint of quick bubbling and rinsing, smoothness after drying, and suppression of off-flavor as a raw material, R ²¹ in the above general formula (1) is an alkyl group having 8 carbon atoms, and m is 2 in terms of mass average. Polyoxypropylene octyl ether showing a number of ˜3 is preferred. As a commercial item, Sofcare GP-1 (made by Kao Corporation) is mentioned, for example.

  The content of the component (B) is 0.01% by mass or more in the entire hair cosmetic composition from the viewpoint of imparting smoothness, and the squeaky feeling after rinsing, the smoothness of the hair, and the cohesiveness after drying. From the viewpoint of balance, 0.05% by mass or more is more preferable. Further, from the viewpoint of imparting smoothness and imparting a smooth feeling, the hair cosmetic contains 1% by mass or less of the component (B), and preferably 0.5% by mass or less.

Next, the component (C) will be described.
Component (C) N-propionylpolyethyleneimine / methylpolysiloxane copolymer is represented by the following general formula (6). Thereby, the hair can be smoothed at the time of application to the hair and subsequent rinsing. Also, the hair becomes smooth, reduces stickiness, and the hair is firm and firm.

(In the general formula (6), R ²² represents C ₂ H ₅ , q represents a number of 20 to 10,000, r represents a number of 20 to 10,000, and s represents a number of 5 to 100. An ⁻ represents an anion.)

The anion An ⁻ in the general formula (6) is preferably an ethyl sulfate anion.

  The weight average molecular weight (MWt) of the component (C) is preferably 35,000 to 130,000, and more preferably 85,000 to 120,000 because the hair does not feel sticky.

  The molecular weight (MWox) of the poly (N-propionylpolyethyleneimine) segment of component (C) refers to the number average molecular weight measured by GPC (Gel Permeation Chromatography) measurement method, preferably 700 to 3,000, more preferably 1,000-2,800. Thereby, hair can be smoothed and firmness and firmness can be imparted.

  The weight average molecular weight (MWsi) of the organopolysiloxane segment constituting the main chain is 30,000 to 110,000, but preferably 80,000 to 100,000 from the viewpoint of smoothing hair and imparting firmness and elasticity. 000 is preferred.

The weight average molecular weight is a polystyrene equivalent weight average molecular weight measured by the GPC measurement method under the following conditions.
Column: Super HZ4000 + Super HZ2000 (manufactured by Tosoh Corporation)
Eluent: 1 mM triethylamine / THF
Flow rate: 0.35 mL / min
Column temperature: 40 ° C
Detector: UV
Sample: 50 μL

  The mass content of the weight average molecular weight (MWsi) of the organopolysiloxane segment that is the main chain in the weight average molecular weight (MWt) of the component (C) is 50 to 98%, smoothing the hair, Give. Of these, 80 to 95% is preferable.

  The content of the component (C) is 0.01% by mass or more in the entire hair cosmetic composition from the viewpoint of imparting firmness and elasticity to the hair, and is 0.2% from the viewpoint of imparting elasticity and firmness after drying. The mass% or more is more preferable. Further, from the viewpoint of smoothness during rinsing and smoothness after drying, and the hair becomes smooth and reduces stickiness, the hair cosmetic contains 4% by mass or less of component (C) and 2% by mass or less. It is preferable.

Further, the mass ratio of the component (B) to the component (C) is preferably (B) / (C) = 0.03 to 5, and smoothes the hair during application to the hair or subsequent rinsing. be able to. Moreover, 0.4-3.3 are more preferable from a viewpoint which gives elasticity and firmness to hair and provides the softness | flexibility of a scalp. Moreover, 0.4-2.0 are more preferable from a viewpoint of the squeaking property after a rinse.
Moreover, 50-98 mass% is preferable in the hair cosmetics in this invention, and, as for content of water, 60-95 mass% is more preferable.

  Moreover, the hair cosmetics in this invention may further contain (D) organic carboxylic acid other than component (A)-(C) and water. Thereby, the hair can be smoothed at the time of application to the scalp or hair or at the time of subsequent rinsing. As organic carboxylic acid, a C2-C8 thing is preferable, for example, alpha-hydroxy acids, such as glycolic acid, lactic acid, tartaric acid, malic acid; levulinic acid, acetic acid, maleic acid, fumaric acid, etc. are mentioned. Of these, α-hydroxy acids such as glycolic acid, malic acid, and lactic acid are preferable, and malic acid and lactic acid are particularly preferable. The organic carboxylic acid may be a salt. These salts include salts with alkali metals, alkaline earth metals, ammonia, organic amine compounds and the like. Two or more organic acids or salts thereof can be used in combination.

  The content of the organic carboxylic acid is preferably 0.1% by mass or more, and preferably 0.5% by mass in the entire hair cosmetic composition from the viewpoint of smoothing the hair at the time of application to the scalp and hair and subsequent rinsing. The above is more preferable. Moreover, from a viewpoint of obtaining a favorable usability, the content of the organic carboxylic acid is preferably 5% by mass or less, and more preferably 3% by mass or less in the entire hair cosmetic composition.

  As for pH after diluting the hair cosmetics of this invention 20 mass times, 1-5 are preferable. Thereby, the hair can be smoothed at the time of application to the scalp or hair or at the time of subsequent rinsing. In particular, the pH is more preferably 3-4.

  The hair cosmetic composition of the present invention comprises a tertiary amine compound or a salt thereof, a specific polyoxyalkylene ether type nonionic surfactant, and an N-propionyl polyethyleneimine / methyl polysiloxane copolymer in a specific range. By using it, the hair is smoothed at the time of application to the hair or at the time of subsequent rinsing, and further, the scalp is given flexibility, and the hair is firm and firm. Furthermore, a smooth feeling can be imparted to the hair. According to the hair cosmetic composition of the present invention, the balance of flexibility, elasticity, and smoothness becomes good. In addition, the conventional conditioner used to give the firmness cannot give the firmness and firmness immediately, whereas the hair cosmetic composition of the present invention has a tertiary amine compound or a salt thereof, By using a combination of the polyoxyalkylene ether type nonionic surfactant and N-propionylpolyethyleneimine / methylpolysiloxane copolymer within a specific range, it is possible to obtain instant elasticity.

(Other)
In the hair cosmetic composition of the present invention, surfactants, oily components, cationic polymers, higher fatty acid esters, higher fatty acids, glycerin, humectants, polysaccharides, polypeptides, pearlizing agents, solvents other than the above components Liquid crystal forming bases, aromatic sulfonic acids, dyes, fragrances, propellants, chelating agents, pH adjusters, preservatives, anti-dandruff agents, and the like can be appropriately blended. Examples of anti-dandruff agents include zinc pyrithione and piroctone olamine.

  As surfactants other than the above components, anionic surfactants, nonionic surfactants, amphoteric surfactants and cationic surfactants may be included, and two or more of these surfactants may be used in combination. Good.

  As the anionic surfactant, those of sulfuric acid type, sulfonic acid type, carboxylic acid type, phosphoric acid type and amino acid type are preferable, for example, alkyl sulfate, polyoxyalkylene alkyl ether sulfate, polyoxyalkylene alkenyl ether sulfate. , Sulfosuccinic acid alkyl ester salt, polyoxyalkylene sulfosuccinic acid alkyl ester salt, polyoxyalkylene alkyl phenyl ether sulfate, alkane sulfonate, acyl isethionate, acylmethyl taurate, higher fatty acid salt, polyoxyalkylene alkyl ether acetic acid Examples thereof include salts, alkyl phosphates, polyoxyalkylene alkyl ether phosphates, acyl glutamates, alanine derivatives, glycine derivatives, and arginine derivatives. Among these, polyoxyethylene alkyl ether sulfate, polyoxyethylene alkenyl ether sulfate, alkyl sulfate, acyl isethionate, acyl methyl taurate, higher fatty acid salt, polyoxyalkylene alkyl ether acetate, alkyl phosphate , Polyoxyalkylene alkyl ether phosphates, acyl glutamates, and alkylalanine derivatives are preferred, and those represented by general formula (7) or (8) are particularly preferred.

R ²³ O (CH ₂ CH ₂ O) _p SO ₃ M (7)
R ²⁴ OSO ₃ M (8)

(In the above general formulas (7) and (8), R ²³ represents, for example, an alkyl group or alkenyl group having 10 to 18 carbon atoms, R ²⁴ represents an alkyl group having 10 to 18 carbon atoms, M is an alkali metal, An alkaline earth metal, ammonium, alkanolamine, or a basic amino acid is shown, and p shows the number of 1-5 by ethylene oxide average addition mole number.)

  Nonionic surfactants include polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene sorbit fatty acid esters, polyoxyalkylene glycerin fatty acid esters, polyoxyalkylene fatty acid esters, polyoxyalkylene alkyl ethers, polyoxyalkylene alkylphenyls. Examples include ethers, polyoxyalkylene (cured) castor oils, sucrose fatty acid esters, polyglycerin alkyl ethers, polyglycerin fatty acid esters, fatty acid alkanolamides, and alkyl glucosides. Of these, alkylglycosides, polyoxyalkylene C8-C20 fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene hydrogenated castor oil, and fatty acid alkanolamides are preferred. As the alkyl glycosides, those having an alkyl group having 8 to 14 carbon atoms and a sugar (glucose) condensation degree of 1 to 2 are preferable. As the fatty acid alkanolamide, those having an acyl group having 8 to 18 carbon atoms, particularly 10 to 16 carbon atoms are preferable, and either a monoalkanolamide or a dialkanolamide may be used, but a hydroxyalkyl group having 2 to 3 carbon atoms may be used. What has is preferable. Specific examples of fatty acid alkanolamides include 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, laurin Examples include acid monoisopropanolamide, lauric acid monoethanolamide, palm kernel oil fatty acid methylethanolamide, and coconut oil fatty acid methylethanolamide.

  Examples of amphoteric surfactants include betaine surfactants. Of these, betaine surfactants such as imidazoline betaine, alkyldimethylaminoacetic acid betaine, fatty acid amidopropyl betaine, and alkylhydroxysulfobetaine are more preferred, and alkylcarboxymethylhydroxyethyl imidazolium betaine, fatty acid amidopropyl betaine, and alkylhydroxysulfone. Betaine is particularly preferred. The fatty acid amidopropyl batan and the alkylhydroxysulfobetaine preferably have an alkyl group having 8 to 18 carbon atoms, particularly 10 to 16 carbon atoms, and particularly amide propyl betaine laurate, fatty acid amidopropyl betaine, palm kernel fatty acid amidopropyl betaine, and coconut oil. Fatty acid amidopropyl betaine, lauryl hydroxysulfobetaine and the like are preferable.

  Examples of oil components other than the above components include aliphatic alcohols, silicones, ester oils, hydrocarbons, glycerides, vegetable oils, animal oils, lanolin derivatives, higher fatty acid esters, and the like.

The aliphatic alcohol is an aliphatic alcohol having 12 to 26 carbon atoms. Thereby, the hair can be smoothed at the time of application to the scalp or hair or at the time of subsequent rinsing.
Further, from the viewpoint of imparting smoothness to the hair after drying, when applied to the scalp and hair, and after rinsing, aliphatic alcohols having a linear or branched alkyl group or alkenyl group are preferred, and among them, the number of carbon atoms An aliphatic alcohol having 16 to 22 linear or branched alkyl or alkenyl groups is preferred. In particular, aliphatic alcohols having a linear or branched alkyl group or alkenyl group having 16 to 18 carbon atoms are more preferred. Specifically, cetyl alcohol and stearyl alcohol are preferable. Furthermore, cetyl alcohol is preferable.
The aliphatic alcohol contains one hydroxyl group and does not contain two or more hydroxyl groups.

  Examples of the ester oil include ester oils having a total carbon number of 8 to 40, preferably esters of fatty acids having a total carbon number of 8 to 20 and alcohols having a carbon number of 1 to 20, particularly isopropyl palmitate and isopropyl myristate. preferable.

  Examples of silicones include (a) dimethylpolysiloxane, (b) methylphenylpolysiloxane, and (c) amino-modified silicone (SM8704C (Toray Dow Corning Silicone), DC939 (Toray Dow Corning Silicone), etc.), (d) fatty acid-modified polysiloxane, (e) alcohol-modified silicone, (f) aliphatic alcohol-modified polysiloxane (G) polyether-modified silicone, (h) epoxy-modified silicone, (i) fluorine-modified silicone, (j) cyclic silicone, (k) alkyl-modified silicone, (l) oxazoline-modified silicone, and the like.

  Examples of the cationic polymer include cationized cellulose derivatives, cationic starches, and cationized guar gum derivatives. Among these, in particular, at least one nonionic group-containing vinyl monomer represented by the general formula (I) or (II) and a cationic group-containing vinyl represented by the general formula (III) or (IV) Essential constituent monomers comprising at least one monomer and at least one cross-linkable vinyl monomer having in the molecule at least two groups selected from vinyl, acryloyl, methacryloyl and allyl groups And a cationic group-containing copolymer obtained by radical polymerization.

(In the above general formula (I), R ¹¹ represents a hydrogen atom or a methyl group, and R ¹² and R ¹³ are the same or different and represent a hydrogen atom or a linear or branched alkyl group having 1 to 4 carbon atoms or Represents an alkenyl group.)

(In the above formula (II), R ¹¹ represents a hydrogen atom or a methyl group, A ¹ and A ² are the same or different, formula _{- (CH 2) m - (} m is an integer of 2-6. ) And B represents —O— or —CH ₂ — group.

(In the general formula (III), R ¹¹ represents a hydrogen atom or a methyl group, R ¹⁴ and R ¹⁵ are the same or different and represent an alkyl group or an alkenyl group having 1 to 4 carbon atoms, and R ¹⁶ represents a hydrogen atom. Or an alkyl group having 1 to 4 carbon atoms, Y represents —O—, —NH—, —CH ₂ — or —O—CH ₂ CH (OH) — group, and Z represents 1 to 4 carbon atoms (provided that When Y is —CH ₂ —, it represents a linear or branched alkylene group having 0 to 3 carbon atoms, and X represents a conjugate base of an acid, a halogen atom or an alkyl sulfate group having 1 to 4 carbon atoms.)

(In the above general formula (IV), R ¹⁷ and R ¹⁸ are the same or different and represent a hydrogen atom or a methyl group, and R ¹⁹ and R ²⁰ are the same or different and are a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. X represents an acid conjugate base, a halogen atom, or an alkyl sulfate group having 1 to 4 carbon atoms.)

  Further, as a preferred embodiment of the cationic group-containing copolymer, N, N-dimethylaminoethyl diethyl methacrylate sulfate / N, N-dimethylacrylamide / polyethylene glycol dimethacrylate represented by the following formula (V) is used. A polymer is mentioned.

(In the above general formula (V), x, y, and z are the same or different and are positive numbers, and the molar ratio is x / y = 1/9 to 5/5, (x + y + z) / z = 1/0. 1 to 1 / 0.002.)

  As a commercial item, Sofcare KG-301W (made by Kao Corporation) and Sofcare KG-101W-E (made by Kao Corporation) are mentioned, for example.

  Two or more cationic polymers can be used in combination, and the content thereof is preferably 0.05 to 5% by weight, particularly 0.1 to 2% by weight in the hair cosmetics from the viewpoint of giving a volume feeling. % Is preferred.

  An example of a more preferred embodiment of the hair cosmetic composition of the present invention is a viewpoint of smoothing and firming the hair while smoothing the hair and applying flexibility to the scalp at the time of application to the hair and subsequent rinsing. The component (A) is an ether amine or a salt thereof, the component (B) is a polyoxypropylene (3) octyl ether, and the component (C) is an N-propionyl polyethyleneimine / methyl polysiloxane copolymer.

  The hair cosmetic composition of the present invention can be produced according to a conventional method, and can be made into a desired dosage form such as an aqueous solution, an ethanol solution, an emulsion, a suspension, a gel, a liquid crystal, a solid, an aerosol foam, a spray and the like. In addition, the hair cleansing composition can be a product such as a hair shampoo, and the hair cosmetics other than the hair cleansing composition include hair lining, hair conditioner, hair treatment, hair pack, hair styling. Products such as creams, hair colors, conditioning mousses, hair mousses, hair sprays, leave on treatments, waxes, tonics and hair dyes can be used.

  The method of using the hair cosmetic is not particularly limited, but for example, the hair cosmetic is applied onto the scalp, and then contacted with the hair while spreading in a zigzag manner on the scalp using a finger or a brush. Hair and hair cosmetics may be blended.

  It should be noted that the present invention is not limited to the above-described embodiments, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.

  EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated further more concretely, this invention is not limited to these Examples. Note that “%” in Examples and Comparative Examples means “% by mass” unless otherwise specified. Each prescription is 100% by mass.

An N-propionyl polyethyleneimine / methyl polysiloxane copolymer (C1) was produced by the following method.
Poly (N-propionylethyleneimine) having a number average molecular weight of 2,700 from 0.8 g (0.005 mol) of diethyl sulfate, 12.8 g (0.14 mol) of 2-ethyl-2-oxazoline and 29 g of dehydrated ethyl acetate ) Further, 100 g of side chain primary aminopropyl-modified polydimethylsiloxane (weight average molecular weight 100,000, amine equivalent 20,000) was used to convert N-propionylethyleneimine / dimethylsiloxane copolymer into a pale yellow rubber-like solid (111 g, Yield 98%).

  The final product had an organopolysiloxane segment content of 88% by mass and a weight average molecular weight of 114,000. As a result of neutralization titration with hydrochloric acid using methanol as a solvent, it was found that no amino group remained.

  The physical properties of the obtained N-propionylpolyethyleneimine / methylpolysiloxane copolymer (C1) are shown below.

(Physical properties of C1)
MWsi / MWt: Content of organopolysiloxane segment (MWsi) in the total weight of N-propionylpolyethyleneimine / methylpolysiloxane copolymer: 88%
MWsi: weight average molecular weight of the organopolysiloxane segment constituting the main chain: 100,000
MWox: number average molecular weight of poly (N-propionylpolyethyleneimine) segment: 2,700
MWt: Weight average molecular weight of N-propionylpolyethyleneimine-methylpolysiloxane copolymer: 114,000

(Examples and Comparative Examples)
The hair cosmetics shown in Table 1 were prepared by a conventional method and evaluated by the following evaluation methods. The results are shown in Table 1. In addition, pH is a value in 25 degreeC at the time of diluting 20 mass times with water.

(Evaluation methods)
(1) The finish after rinsing does not break. After rinsing a human hair bundle with a length of 25 cm, a width of 5.5 cm, and a weight of 10 g with warm water at 40 ° C., excess water is removed and 0.5 g of hair is removed. The cosmetic was applied to the human hair bundle. Thereafter, the hair cosmetics rinsed the human hair bundle with hot water of 40 ° C. at a flow rate of 2 L / min, and sensory evaluation was made based on the following five-step criteria that the finished human hair bundle did not finish after rinsing. The evaluation was performed by five people, and the average value was obtained. An average of 4.0 or more is indicated by “◎”, a value of 3.2 or more and less than 4.0 is indicated by “◯”, a value of 2.5 or more and less than 3.2 is indicated by “Δ”, and a value of less than 2.5 is indicated by “x”.
5: Not squeezed 4: Not very squeezed 3: Normal squeak 2: Slightly squeak 1: Squeak

(2) Slipability of hair After rinsing a human hair bundle of 25 cm in length, 5.5 cm in width and 10 g in weight with warm water at 40 ° C, excess water is removed and 0.5 g of hair cosmetics is added to humans. Blended into the hair bundle. The slipperiness of the hair at the time of application was sensorially evaluated according to the following five-step criteria. The evaluation was performed by five people, and the average value was obtained. An average of 4.0 or more is indicated by “◎”, a value of 3.2 or more and less than 4.0 is indicated by “◯”, a value of 2.5 or more and less than 3.2 is indicated by “Δ”, and a value of less than 2.5 is indicated by “x”.
5: Sliding well 4: Sliding easily 3: Sliding normally 2: Not sliding very much 1: Not sliding

(3) Smoothness of hair after drying A human hair bundle having a length of 25 cm, a width of 5.5 cm, and a weight of 10 g is lightly rinsed with warm water at 40 ° C., and then excess water is removed to give 0.5 g of hair makeup. I was familiarized with the charge. Thereafter, the human hair bundle with hair cosmetics is rinsed with hot water of 40 ° C. at a flow rate of 2 L / min, dried with a dryer, and the smoothness of the human hair bundle after sufficient drying is functionalized on the basis of the following five levels. evaluated. The evaluation was performed by five people, and the average value was obtained. An average of 4.0 or more is indicated by “◎”, a value of 3.2 or more and less than 4.0 is indicated by “◯”, a value of 2.5 or more and less than 3.2 is indicated by “Δ”, and a value of less than 2.5 is indicated by “x”.
5: Sliding well 4: Sliding easily 3: Sliding normally 2: Not sliding very much 1: Not sliding

(4) Hair mass after drying Rinse a human hair bundle with a length of 25 cm, a width of 5.5 cm, and a weight of 10 g with warm water at 40 ° C., and then remove excess water to give 0.5 g of hair cosmetic. I was used to. After that, the human hair bundle with hair cosmetics is rinsed with hot water of 40 ° C. at a flow rate of 2 L / min, dried with a dryer, and the mass of the human hair bundle after sufficient drying is sensory evaluated based on the following five-step criteria did. The evaluation was performed by five people, and the average value was obtained. An average of 4.0 or more is indicated by “◎”, a value of 3.2 or more and less than 4.0 is indicated by “◯”, a value of 2.5 or more and less than 3.2 is indicated by “Δ”, and a value of less than 2.5 is indicated by “x”.
5: Well organized 4: Slightly organized 3: Feeling normal 2: Not organized 1: Not organized

(5) Harness and stiffness of hair after drying A human hair bundle of 25 cm in length, 5.5 cm in width, and 10 g in weight is lightly rinsed with warm water at 40 ° C., and then excess water is removed to give 0.5 g of hair. I was familiarized with cosmetics. After that, the human hair bundle with the hair cosmetic is rinsed with hot water of 40 ° C. at a flow rate of 2 L / min, dried with a dryer, and the firmness and stiffness of the human hair bundle after sufficient drying is determined according to the following five-step criteria. Sensory evaluation was performed. The evaluation was performed by five people, and the average value was obtained. An average of 4.0 or more is indicated by “◎”, a value of 3.2 or more and less than 4.0 is indicated by “◯”, a value of 2.5 or more and less than 3.2 is indicated by “Δ”, and a value of less than 2.5 is indicated by “x”.
5: Feels firm and firm 4: Feels slightly firm and firm 3: Feels normal 2: Does not feel firm and firm 1: Does not feel firm and firm

  From Table 1, in the examples, the hair became smooth and sufficient firmness and firmness were obtained. Moreover, the finish after rinsing was not squeezed, the stickiness of the hair was suppressed, and the cohesiveness after drying was also obtained.

Claims (5)

The following components (A) to (C):
(A) Tertiary amine compound or salt thereof 0.3 to 5% by mass
(B) Polyoxypropylene alkyl ether type nonionic surfactant represented by the following general formula (1) 0.01 to 1% by mass
R ²¹ O (CH ₂ CH (CH ₃ ) O) _m H (1)
(In the above general formula (1), R ²¹ represents a linear or branched alkyl group or alkenyl group having 8 to 10 carbon atoms, and m represents a number of 0.5 to 4 in terms of mass average.)
(C) N-propionyl polyethyleneimine / methyl polysiloxane copolymer 0.01 to 4% by mass
And a hair cosmetic containing water.   The hair cosmetic according to claim 1, wherein the mass ratio of the component (B) to the component (C) is (B) / (C) = 0.03-5.   The hair cosmetic according to claim 1 or 2, wherein the component (A) comprises an etheramine compound or a salt thereof. (D) The hair cosmetic composition according to any one of claims 1 to 3, further comprising an organic carboxylic acid.   The hair cosmetic composition according to any one of claims 1 to 4, wherein the pH after dilution to 20 times by mass is 1 to 5.