JP2017088574A - Hair cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair cosmetic that can prevent the peeling of cuticles when stretching the hair.SOLUTION: A hair cosmetic comprises component (A) succinic acid or salt thereof, component (B) panthenol, and component (C) chelator and water.SELECTED DRAWING: None

Description

  The present invention relates to a hair cosmetic.

  The hair is exposed to damage by daily hair washing, brushing, the heat of a dryer, and the like. In recent years, it has become common to enjoy the fashion by changing the appearance of the hair, such as freely changing the hair color (coloring, etc.) and changing the hairstyle by chemical treatment (perm, etc.). When the frequency of such treatment is increased, damage is accumulated in the hair, split ends and cut hairs are generated, cuticles are desquamated, cortex is exposed, and the hair ends are crushed. Therefore, moist and moist feeling, smooth and smooth fingering feeling, soft touch to the hair ends, etc. are required, and daily hair care is done.

Here, as a technique for giving gloss to hair, there are those described in Patent Documents 1 and 2.
Patent Document 1 (Japanese Patent Publication No. 2001-506273) describes a hair washing agent having a gloss increasing effect using a specific amount of a surfactant or a surfactant mixture, a fruit acid mixture and panthenol or a derivative thereof. ing. And, it is said that such hair washing agent can achieve the glossiness of the surface of the hair without adding a fatty or oily component to the hairdressing cosmetic product.

  Patent Document 2 (Japanese Patent Application Laid-Open No. 2004-75545) discloses dicarboxylic acids, hydroxycarboxylic acids or salts thereof, specific organic solvents, anionic surfactants having a sulfuric acid residue, vitamins, amino acids, and amino acid analogs. Shampoo compositions containing protein hydrolysates or derivatives thereof and having a pH in a specific range. According to the literature, such a shampoo composition is excellent in stability and can effectively give gloss, softness and moist feeling to hair, and has good foaming and slippery foam quality during hair washing. It is supposed to be possible.

  Patent Document 3 (Japanese Patent Application Laid-Open No. 2015-27977) provides good foam sustainability and rinsing properties, and when applied to hair, provides good combability and softness from the time of rinsing to after drying. As a technique for providing a cleansing composition for skin or hair that can give a feeling of unity and, when applied to the skin, a good moist feeling to the skin, it has 12 carbon atoms. It describes a skin or hair cleaning composition containing 24 or less internal olefin sulfonate.

JP-T-2001-506273 JP 2004-75545 A JP 2015-27977 A

  In daily hair care behavior, a force that stretches hair by using brushing, blowing, ironing, etc. is applied. When the hair is stretched, a phenomenon that the cuticle is turned up (lift-up) is observed, which weakens the adhesion between the cuticles and promotes peeling. Accordingly, there is a need for a hair cosmetic that can suppress lift-up and suppress cuticle peeling even when a force that stretches hair is applied.

  In this respect, the techniques described in Patent Documents 1 to 3 described above are not made from the viewpoint of suppressing the peeling of the cuticle when the hair is stretched, and there is still room for improvement in order to obtain the effect. .

  The present invention has been made in view of such circumstances, and provides a hair cosmetic that suppresses peeling of the cuticle when the hair is stretched.

The present invention provides a hair cosmetic comprising the following components (A) to (C) and water.
(A) Succinic acid or salt thereof (B) Panthenol (C) chelating agent

  Moreover, this invention provides the hair processing method which applies the hair cosmetics in the said invention to hair.

  According to the hair cosmetic composition of the present invention, peeling of the cuticle when the hair is stretched can be suppressed.

Hereinafter, embodiments of the present invention will be described with specific examples of each component. Each component can be used alone or in combination of two or more.
Moreover, in this specification, pH means the measured value (glass electrode measuring method) at the time of diluting 20 times with 25 degreeC and water.

(Ingredient (A))
Component (A) is succinic acid or a salt thereof.
The components constituting the salt include alkali metals such as sodium and potassium, cations derived from alkanolamines such as ammonium, monoethanolamine, diethanolamine and triethanolamine, and cations derived from basic amino acids such as arginine and lysine. Can be mentioned.
In the present embodiment, by using the component (A) in combination with the components (B) and (C) described later in the hair cosmetic composition, the lift-up of the cuticle when the hair is stretched is effectively suppressed. be able to. Thereby, since peeling of a cuticle can be suppressed, the gloss of the hair at the time of finishing can also be improved.

  The content of the component (A) in the hair cosmetic composition is used in combination with the components (B) and (C), from the viewpoint of suppressing the peeling of the cuticle at the time of drawing the hair and imparting gloss to the hair. The acid content is preferably 0.1% by mass or more, more preferably 0.8% by mass or more, and still more preferably 1.0% by mass or more with respect to the entire hair cosmetic composition. Further, from the viewpoint of further improving the stability of the hair cosmetic, the content of the component (A) is preferably 5% by mass or less, more preferably 4% by mass or less, as an acid with respect to the entire hair cosmetic. More preferably, it is 3 mass% or less.

(Ingredient (B))
Component (B) is panthenol. Either D-form or DL-form may be used as panthenol of component (B).

  The content of the component (B) in the hair cosmetic composition is used in combination with the components (A) and (C), from the viewpoint of suppressing the peeling of the cuticle at the time of stretching the hair and imparting gloss to the hair. Preferably it is 0.01 mass% or more with respect to the whole hair cosmetics, More preferably, it is 0.02 mass% or more, More preferably, it is 0.03 mass% or more, Preferably it is 1 mass% or less. More preferably, it is 0.5 mass% or less, More preferably, it is 0.1 mass% or less.

  Further, in the hair cosmetic composition of the present embodiment, the mass ratio ((A) / (B)) of the content of the component (A) as the acid to the content of the component (B) is the cuticle peeling at the time of hair stretching. From the viewpoint of suppression, it is preferably 5 or more, more preferably 10 or more, still more preferably 20 or more, preferably 100 or less, more preferably 50 or less, still more preferably 40 or less.

(Ingredient (C))
Component (C) is a chelating agent. The component (C) is not limited as long as it has the ability to chelate metal ions. For example, aminopolycarboxylic acid chelating agents; aromatic and aliphatic carboxylic acid chelating agents other than component (A); ether poly Examples thereof include carboxylic acid chelating agents; phosphonic acid chelating agents; hydroxycarboxylic acid chelating agents; phosphoric acid chelating agents; polymer electrolyte (including oligomer electrolytes) chelating agents, and dimethylglyoxime (DG). These chelating agents for component (C) may each be in a free acid form. Component (C) may be in the form of an alkali metal salt such as sodium salt or potassium salt; a salt such as ammonium salt, or may be in the form of a hydrolyzable ester derivative.

  Specific examples of aminopolycarboxylic acid chelating agents include ethylenediaminetetraacetic acid (EDTA), cyclohexanediaminetetraacetic acid, nitrilotriacetic acid, iminodiacetic acid, N- (2-hydroxyethyl) iminodiacetic acid, diethylenetriaminepentaacetic acid, N- (2 -Hydroxyethyl) ethylenediaminetriacetic acid and glycol ether diamine tetraacetic acid, ethylenediamine disuccinic acid and their salts. When the aminopolycarboxylic acid chelating agent is a salt, it is preferably a sodium salt, potassium salt or the like or an ammonium salt.

  Specific examples of aromatic or aliphatic carboxylic acid-based chelating agents other than component (A) include oxalic acid, malonic acid, glutaric acid, adipic acid, itaconic acid, aconitic acid, pyruvic acid, salicylic acid, acetylsalicylic acid, hydroxybenzoic acid Acid, aminobenzoic acid (including anthranilic acid), phthalic acid, fumaric acid and trimellitic acid, and their salts, methyl esters and ethyl esters.

  Specific examples of the hydroxycarboxylic acid chelating agent include malic acid, citric acid, glycolic acid, gluconic acid, heptonic acid, tartaric acid, lactic acid, and salts thereof.

  Specific examples of the ether polycarboxylic acid chelating agent include diglycolic acid, a compound represented by the following general formula (1), an analogous compound thereof, and a salt thereof (for example, a sodium salt).

  Specific examples of the phosphonic acid-based chelating agent include iminodimethylphosphonic acid (IDP), alkyldiphosphonic acid (ADPA), 1-hydroxyethane-1,1-diphosphonic acid (for example, DEQUEST (registered trademark) 2010), and these And salts and derivatives thereof.

  Specific examples of the phosphoric acid chelating agent include orthophosphoric acid, pyrophosphoric acid, triphosphoric acid and polyphosphoric acid.

  Specific examples of the polymer electrolyte (including oligomer electrolyte) chelating agents include acrylic acid polymers, maleic anhydride polymers, α-hydroxyacrylic acid polymers, itaconic acid polymers, and polymers of these polymers. Examples thereof include a copolymer comprising two or more constituent monomers and an epoxy succinic acid polymer.

  The chelating agent of component (C) is preferably an aminopolycarboxylic acid-based chelating agent, more preferably EDTA, ethylenediamine disuccinic acid, and these, from the viewpoint of availability and suppression of exfoliation of the cuticle during hair drawing. One or more selected from the group consisting of salts, more preferably one or more selected from EDTA-2Na and ethylenediamine disuccinic acid 3Na.

  The content of the component (C) in the hair cosmetic composition is used in combination with the components (A) and (B), from the viewpoint of suppressing the peeling of the cuticle at the time of stretching the hair and imparting gloss to the hair. Preferably it is 0.01 mass% or more with respect to the whole hair cosmetics, More preferably, it is 0.02 mass% or more, More preferably, it is 0.04 mass% or more, Preferably it is 1 mass% or less. More preferably, it is 0.8 mass% or less, More preferably, it is 0.5 mass% or less.

  Further, in the hair cosmetic composition of the present embodiment, the mass ratio ((A) / (C)) of the content of the component (A) as the acid to the content of the component (C) is the cuticle peeling at the time of hair stretching. From the viewpoint of suppression, it is preferably 0.5 or more, more preferably 5 or more, and preferably 20 or less, more preferably 10 or less.

Moreover, the hair cosmetic in this embodiment contains water. As water, ion exchange water, distilled water, or the like can be used.
The content of water in the hair cosmetic can be, for example, the balance excluding components other than water in the hair cosmetic. The water content is preferably 50% by mass or more, more preferably 60% by mass or more, and preferably 99% by mass or less, based on the entire hair cosmetic composition.

Next, the pH of the hair cosmetic will be described.
In the hair cosmetic of the present embodiment, from the viewpoint of improving the effect of suppressing cuticle peeling during hair drawing, the pH at 25 ° C. when diluted 20 times with water is preferably 2 or more, more preferably Is 3 or more, more preferably 4 or more, preferably 8 or less, more preferably 7 or less.

  In order to obtain desired effects on the hair cosmetic composition of the present embodiment, such as improvement in cleaning performance, application of the hair cosmetic composition, feel during rinsing or drying, finish after drying, a surfactant, You may contain an oil agent etc.

For example, the hair cosmetic composition of the present embodiment preferably contains a surfactant of component (D).
(Component (D))
Specific examples of the component (D) surfactant include an anionic surfactant, a cationic surfactant, a nonionic surfactant, and an amphoteric surfactant. These may be used alone or in combination of two or more.

(Component (D1)) Anionic Surfactant The anionic surfactant of component (D1) may be one used for hair cosmetics, and specific examples thereof include alkyl sulfate, alkenyl sulfate, polyoxy Sulfate-type anionic surfactants such as alkylene alkyl ether sulfates, polyoxyalkylene alkenyl ether sulfates, sulfoalkyl sulphonic acid alkylene alkyl phenyl ether sulfates; sulfosuccinic acid alkyl ester salts, polyoxyalkylene sulfosuccinic acid alkyl ester salts, alkane sulfones Examples thereof include sulfonic acid type anionic surfactants such as acid salts; higher fatty acid salts; carboxylic acid type anionic surfactants such as polyoxyalkylene alkyl ether carboxylic acids or salts thereof. These may be used alone or in combination of two or more.

  Of these, polyoxyalkylene alkyl ether sulfates, polyoxyalkylene alkenyl ether sulfates, alkyl sulfates, and alkenyl sulfates are preferable. Among them, the polyoxyalkylene alkyl ether sulfate is represented by the following general formula (2). Polyoxyethylene alkyl ether sulfate is preferred.

R ¹ O (CH ₂ CH ₂ O) _a SO ₃ M (2)
(In the above general formula (2), R ¹ represents an alkyl group or alkenyl group having 8 to 18 carbon atoms, M represents an alkali metal, alkaline earth metal, ammonium, alkanolamine or basic amino acid, and a represents (This is the average number of moles of ethylene oxide added and represents a number of 0.5 to 5 in terms of mass average.)

Among these, from the viewpoint of achieving both quick bubbling and good foam feel, R ¹ in the general formula (2) is preferably an alkyl group having 12 to 14 carbon atoms. The average added mole number a of ethylene oxide is preferably 0.9 or more and 4 or less, and more preferably 1 or more and 3 or less. Furthermore, polyoxyethylene alkyl ether sulfates in which M is ammonium or sodium are preferred, and ammonium laureth sulfate and sodium laureth sulfate are more preferred.

  The content of the anionic surfactant of the component (D1) in the hair cosmetic is preferably 0.5% by mass or more, more preferably 1%, based on the whole hair cosmetic from the viewpoint of improving foaming. It is at least 5% by mass, more preferably at least 5% by mass. Further, from the viewpoint of improving foam loss and suppressing squeaking of hair during rinsing, the content of the anionic surfactant with respect to the entire hair cosmetic is preferably 20% by mass or less, more preferably 17% by mass or less. More preferably, it is 15% by mass or less, still more preferably 13% by mass or less, and still more preferably 12% by mass or less.

(Component (D2)) Cationic Surfactant The cationic surfactant of component (D2) is not particularly limited as long as it is used in hair cosmetics. Specific examples thereof include tertiary amine compounds or salts thereof and A quaternary ammonium salt is mentioned. These may be used alone or in combination of two or more.

  More specifically, as the cationic surfactant, an ether amine or hydroxy ether amine represented by the following general formula (3) and a salt thereof, a quaternary ammonium salt represented by the following general formula (4), and One or more selected from the group consisting of amidoamines represented by the following general formula (5) or salts thereof are used.

(In the general formula (3), R ² represents a linear or branched alkyl group or alkenyl group having 12 to 24 carbon atoms, and R ³ and R ⁴ are the same or different and have 1 to 6 carbon atoms. An alkyl group or a group-(AO) _b H (A represents an alkylene group having 2 to 4 carbon atoms, b represents a number of 1 to 6 and b A's may be the same or different; And Y represents —O— (CH ₂ ) ₃ — or — (OCH ₂ CH (OH) CH ₂ ) _c — (c represents a number of 1 to 5).)

As the ether amine, hydroxy ether amine and salts thereof represented by the general formula (3), those salted with an organic acid may be used, or an acid may be blended in the hair cosmetic composition of the present embodiment, You may form a salt in hair cosmetics with a pH adjuster. Examples of such acids 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; glycolic acid, lactic acid, glyceric acid, gluconic acid, pantothenic acid, malic acid, tartaric acid, citric acid and other hydroxy acids; and other acetic acids. Of these, organic acids are preferable from the viewpoint of providing moisturizing and softening effects on the hair, in particular, acidic amino acids, pyroglutamic acid, and hydroxy acids are preferable, and hydroxy acids are more preferable.
In the present embodiment, the content of the organic acid in the hair cosmetic composition is based on the amine equivalent of the ether amine and the hydroxy ether amine represented by the general formula (3) from the viewpoint of suppressing squeaking of the hair during rinsing. , Preferably it is 0.5-1.5 mol times, More preferably, it is 1-1.3 mol times.

  The cationic surfactant represented by the general formula (3) is preferably an ether amine, more preferably N, N-dimethyl-3-hexadecyloxypropylamine, N, N-dimethyl-3-octadecyloxy. It is one or more selected from the group consisting of propylamine.

(In the general formula (4), R ⁵ represents a linear or branched alkyl group or alkenyl group having 12 to 24 carbon atoms, and X ⁻ represents an anion.)

Preferable specific examples of the quaternary ammonium salt represented by the general formula (4) include lauryl trimethyl ammonium salt, palmityl trimethyl ammonium salt, stearyl trimethyl ammonium salt, oleyl trimethyl ammonium salt, aralkyl trimethyl ammonium salt, behenyl trimethyl ammonium. Salts, and the like, and stearyl trimethyl ammonium salt and behenyl trimethyl ammonium salt are more preferable. Specific examples of the anion X ⁻ include halide ions such as chloride ion and bromide ion; inorganic such as methosulfate ion, ethosulfate ion, methophosphate ion, ethophosphate ion, methocarbonate ion, etc. Organic anions and the like can be mentioned, halide ions are preferable, and chloride ions are more preferable.

(In the general formula (5), R ⁶ represents a linear or branched alkyl group having 17 to 21 carbon atoms, and two R ⁷ represent the same or different alkyl groups having 1 to 4 carbon atoms. D represents a number of 2 or more and 4 or less.)

  Preferable specific examples of the amidoamine represented by the general formula (5) include stearic acid dimethylaminoethylamide, stearic acid dimethylaminopropylamide (manufactured by Toho Chemical Industry Co., Ltd .; kachinal MPAS), stearic acid diethylaminoethylamide (Toho Chemical Industry Co., Ltd.) Manufactured by: Kachinal AEAS), stearic acid diethylaminopropylamide, stearic acid dipropylaminoethylamide, stearic acid dipropylaminopropylamide, behenic acid dimethylaminopropylamide (manufactured by Nikko Chemicals; amidoamine MPB), behenic acid diethylaminopropylamide ( Toho Chemical Industry Co., Ltd .; Katchinal GMPA) and the like, and dimethylaminopropylamide stearate, diethylaminoethylamide stearate, dimethylaminoprote behenate Ruamido, behenic acid diethylaminopropylamide is more preferable.

The amidoamine represented by the general formula (5) or a salt thereof may be a salt made with an organic acid, or an acid is added to the hair cosmetic of this embodiment, and the hair cosmetic together with a pH adjuster. A salt may be formed therein. Examples of such acids 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; glycolic acid, lactic acid, glyceric acid, gluconic acid, pantothenic acid, malic acid, tartaric acid, citric acid and other hydroxy acids; and other acetic acids. Of these, organic acids are preferable from the viewpoint of providing moisturizing and softening effects on the hair, in particular, acidic amino acids, pyroglutamic acid, and hydroxy acids are preferable, and hydroxy acids are more preferable.
In the present embodiment, the content of the organic acid is preferably relative to the amine equivalent of the amidoamine represented by the general formula (5) from the viewpoint of maintaining the lubricity of the hair and suppressing squeaking during rinsing. It is 0.5-1.5 mol times, More preferably, it is 1-1.3 mol times.

  Of these cationic surfactants, from the viewpoint of suppressing squeaking during rinsing, ether amine represented by general formula (3) or quaternary ammonium salt represented by general formula (4) may be used. Preferably, the quaternary ammonium salt represented by the general formula (4) is more preferably used, and cetyltrimethylammonium chloride (hereinafter also referred to as “cetrimonium chloride”) is more preferably used.

  The content of the cationic surfactant of the component (D2) in the hair cosmetic is preferably 0.05% by mass or more based on the whole hair cosmetic from the viewpoint of suppressing squeaking of the hair during rinsing. More preferably 0.1% by weight or more, further preferably 0.2% by weight or more, even more preferably 0.3% by weight or more, even more preferably 1% by weight or more, still more preferably 5% by weight or more, Moreover, it is preferably 20% by mass or less, more preferably 15% by mass or less, and further preferably 12% by mass or less. In addition, about the said content, the mass as an amine is shown about general formula (3) and (5), and the mass as a salt is shown about general formula (4).

(Component (D3)) Nonionic Surfactant Any nonionic surfactant may be used as long as it is used in hair cosmetics. Specific examples thereof include alkyl polyglycosides; polyoxyethylene lauryl ether, polyoxyethylene stearyl ether. Polyoxyethylene alkyl ethers such as polyoxyethylene isostearyl ether; Polyoxyalkylene alkyl ethers such as polypropylene glycol caprylyl ether; Polyoxyethylene hydrogenated castor oil; Glycerin fatty acid ester; Sorbitan fatty acid ester; Polyoxysorbitol fatty acid ester; (Poly) ethylene glycol fatty acid esters such as glycol fatty acid esters; polyoxyalkylene fatty acid esters; polyoxyethylene sorbitan fatty acid esters, etc. Examples include polyoxyalkylene sorbitan fatty acid esters; monoalkyl glyceryl ethers such as 2-ethylhexyl glyceryl ether and isodecyl glyceryl ether; monoalkenyl glyceryl ethers and the like. The fatty acid in the nonionic surfactant may be a straight chain fatty acid or a branched chain fatty acid. These may be used alone or in combination of two or more.

  The content of the nonionic surfactant of the component (D3) in the hair cosmetics has the viewpoint of improving the storage stability of the hair cosmetics, the viewpoint of imparting good foaming at the time of washing the hair, and the cleaning properties such as sebum stains. From the viewpoint of improving and suppressing the squeaking of the hair during rinsing, it is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, and further preferably 1% by mass with respect to the entire hair cosmetic. In addition, it is preferably 10% by mass or less, more preferably 7% by mass or less, and further preferably 5% by mass or less.

(Component (D4)) Amphoteric Surfactant Any amphoteric surfactant may be used as long as it is used in hair cosmetics. Betaine surfactants, amino acid surfactants, imidazoline surfactants, amino oxide surfactants Surfactant etc. are mentioned. These may be used alone or in combination of two or more.
Among these, specific examples of betaine surfactants include carbobetaine surfactants such as alkylcarbobetaines; alkylsulfobetaines such as alkylsulfobetaines and laurylhydroxysultaines, and sulfobetaine types such as alkylamidohydroxysulfobetaines. Surfactant; alkylamidoamine type betaine; alkyl imidazoline type betaine.
Of these, the amphoteric surfactant is preferably alkylamidopropyl betaine or alkylhydroxysulfobetaine having an alkyl group having 8 to 14 carbon atoms, more preferably alkylhydroxy from the viewpoint of foam quality and feeling after washing. A sulfobetaine, more preferably one or more selected from the group consisting of coconut oil fatty acid hydroxysulfobetaine, laurylhydroxysulfobetaine, myristylhydroxysulfobetaine, and even more preferably laurylhydroxysulfobetaine .

  The content of the amphoteric surfactant of the component (D4) in the hair cosmetic is preferably 0.1 mass with respect to the entire hair cosmetic from the viewpoint of improving foaming and suppressing the squeaking of the hair during rinsing. % Or more, more preferably 0.2% by mass or more, still more preferably 0.5% by mass or more, and preferably 10% by mass or less, more preferably 5% by mass or less, and further preferably 4%. It is below mass%.

  The hair cosmetic composition of the present embodiment preferably contains (D1) or (D2) among these surfactants.

  Moreover, you may mix | blend a pH adjuster with the hair cosmetics in this embodiment. Examples of such a pH adjuster include organic acids other than the above components (A) and (C). Moreover, you may use bases, such as sodium hydroxide, potassium hydroxide, ammonium chloride, together with these organic acids as another pH adjuster.

  In the hair cosmetic composition of the present embodiment, in addition to the above components, components used in normal hair cosmetic compositions can be appropriately blended depending on the desired effect. Examples of such optional components include alcohols having 1 to 6 carbon atoms such as ethanol; cationic polymers such as cationized cellulose and cationized guar gum; antidandruff agents; vitamins; bactericides; glycyrrhizic acids such as dipotassium glycyrrhizinate And anti-inflammatory agents such as salts thereof, glycyrrhetinic acid and salts thereof; preservatives such as benzoic acid and salts thereof; moisturizers other than the component (B) such as sorbitol; coloring agents such as dyes and pigments; Eucalyptus extract such as food, conchiolin or hydrolyzate thereof, honey, royal jelly, protein obtained from silk or hydrolyzate thereof, protein-containing extract obtained from legume seeds, ginseng extract, rice germ extract, Hibamata extract, aloe extract, lotus extract, pomegranate extract, wild rose extract, cabbage extract Extracts such as mira extract, licorice extract, moon peach leaf extract, chlorella extract; pearlizing agent such as titanium oxide; fragrance; ultraviolet absorber; antioxidant; shea butter; rose water; sunflower oil; Eucalyptus oil and the like.

Next, the manufacturing method of hair cosmetics is demonstrated.
In the present embodiment, the hair cosmetic is produced, for example, by mixing the components (A) to (C) and other components as appropriate according to a predetermined procedure and dissolving or dispersing them in water.
For example, in the method for producing a hair cosmetic according to this embodiment, the components (A) to (C) are uniformly mixed in water heated to about 25 to 100 ° C., dissolved, and then room temperature (25 ° C., the same applies hereinafter). Cooling to a temperature.
Moreover, when hair cosmetics further contain a component (D), for example, a component (A)-(C) is uniformly mixed with the water heated to about 25-100 degreeC, and the component (D) is added when it melt | dissolves. And uniformly mixing and cooling to room temperature.

  In the hair cosmetic obtained in the present embodiment, by using the above-described components (A) to (C) in combination, a physical force that stretches the hair, for example, during use such as brushing, blowing, ironing, etc. Even if works, the lift up of the cuticle can be suppressed. For this reason, peeling of the cuticle can be suppressed, and the gloss of the hair at the finish can be improved. That is, when the cuticle is peeled off, unevenness on the surface of the hair is increased, so that it is difficult to obtain the gloss of the hair at the finish. However, in the hair cosmetic of this embodiment, the hair at the finish is controlled by suppressing the peeling of the cuticle. A preferable gloss can be provided. Further, according to the present embodiment, for example, it is possible to maintain the hair in a healthy state and to reduce the deterioration of the feel of the hair.

  There is no restriction | limiting in the form of the hair cosmetics of this embodiment, Although liquid, a gel form, etc. can be suitably selected, The liquid thing using water or water and a lower alcohol as a solvent is preferable.

  Further, the hair cosmetic composition of the present embodiment is used, for example, after being applied to the hair and washed away. More specifically, the hair cosmetic composition is used in a bathroom such as a hair rinse, a hair conditioner, a hair treatment, and a hair pack. Things.

Moreover, the hair processing method in this embodiment includes applying the hair cosmetics in this embodiment mentioned above to hair. The hair cosmetic after application to the hair may or may not be washed away, and is preferably washed away. That is, the hair treatment method using the hair cosmetic in the present embodiment preferably includes applying the hair cosmetic to the hair and washing it off. Moreover, it is good also as a hair treatment method which applies the hair cosmetics of this embodiment to the hair after washing | cleaning, and it dries without washing away.
Furthermore, the method for conditioning the hair using the hair cosmetic composition of the present embodiment shall include the steps of applying the hair cosmetic composition of the present embodiment to the hair, and then applying and washing away the other hair cosmetic composition. You can also. At this time, after applying the hair cosmetic composition in the present embodiment to the hair, before applying another hair cosmetic composition, the hair cosmetic composition in the present embodiment may or may not be washed away. Is more preferable. Furthermore, it is preferable to apply another hair cosmetic and leave it for 30 seconds to 10 minutes for washing. Here, the other hair cosmetic is, for example, an emulsified hair cosmetic containing a cationic surfactant, an aliphatic alcohol having 12 to 24 carbon atoms, an oil, and water. In addition, the method for conditioning the hair in this embodiment may further include a step of applying a hair cleanser to the hair and washing it out before applying the hair cosmetic composition in this embodiment to the hair.
The hair cosmetic composition of the present embodiment can suppress the peeling of the cuticle when the hair is stretched by applying and treating the hair as described above.

  As mentioned above, although embodiment of this invention was described, these are illustrations of this invention and various structures other than the above are also employable.

(Examples 1-5, Comparative Examples 1-8)
Hair cosmetics having the compositions shown in Tables 1 and 2 were prepared and evaluated according to the following methods. Evaluation methods and evaluation criteria are shown below.

(Method for manufacturing hair cosmetics)
Ingredients (A) to (C) were mixed in water heated to 60 ° C. and dissolved. About the example containing a component (D), the component (D) was added here and it was made uniform. And it cooled to room temperature and obtained the hair cosmetics of each case.
In each example, each raw material is blended so that the content of each component in the resulting hair cosmetic is as shown in Tables 1 and 2 according to the amount of the component contained in the raw material, and hair I got cosmetics.

(PH measurement method)
The pH was measured at 25 ° C. using a pH meter (HM-30R type) manufactured by Toa DKK Corporation after the sample was diluted 20 mass times with purified water and dissolved by stirring.

(Production of evaluation hair bundle)
5 g of untreated Japanese hair and a 25 cm long tress were prepared to prepare bleached hair.
The bleaching treatment was carried out by using the above-mentioned Tres with a PREAIA bubble bleach hybrid manufactured by Kao Corporation. Mixing ratio of 1 liquid and 2 liquid was 1: 2, bath ratio of hair and liquid mixture was 1: 3, and immersion time was 20 minutes at room temperature. . After the dipping treatment, it was rinsed with tap water at 40 ° C., dried with a towel and then dried with a dryer. What performed this series of processes 3 times was made into the "evaluation hair | bristle bundle."

(Evaluation hair bundle treatment method)
After wetting the evaluation hair bundle with 40 ° C. tap water, 0.5 g of the following evaluation shampoo was applied, foamed for 30 seconds, and rinsed with 40 ° C. tap water. After this, towel drying was performed. This was defined as “an evaluation hair bundle before treatment”.
0.5 g of the hair cosmetic composition of each example described in Table 1 or Table 2 was applied to this hair bundle and allowed to adjust for 1 minute. Thereafter, the hair bundle was sufficiently rinsed with 40 ° C. tap water, and then towel-dried. This was defined as “an evaluation hair bundle after treatment”.

Formulation of shampoo for evaluation (pH 7.0)
Polyoxyethylene (2.5) lauryl ether sulfate sodium salt 15.5% by mass
Lauric acid diethanolamide 2.3% by mass
Edetate disodium 0.15% by mass
Sodium benzoate 0.5% by mass
Sodium chloride 0.8 mass%
Phosphoric acid Appropriate fragrance, methylparaben Trace amount of purified water Remaining total 100% by mass

(Evaluation of hair cuticle peeling inhibition during stretching)
1. Three hairs were randomly picked up from the evaluation hair bundle after the treatment described above and allowed to stand for 3 hours at 25 ° C. and 45% relative humidity.
Then, 10 cm-15 cm site | part (hair length 5cm) was cut out with the razor from the hair end of hair. A mending tape (manufactured by Scotch) was sandwiched from above and below at 0.5 cm sites on both ends of the cut out hair to form a bonded and fixed part.
And this fixed part is grasped about the cut-out hair, the pulling speed is 0.1 cm / second in the axial direction of the hair, and the stretch rate is 25% (the hair on the tape non-pasted part is stretched to 4 cm from 5 cm before stretching) .). A sample for measurement was prepared by fixing the stretched hair on a slide glass with a two-part adhesive so as not to move the hair.
2. Using the above measurement sample, the hair surface shape is measured with a laser microscope (manufactured by KEYENCE, VK-8700) (measurement pitch: 0.1 μm), and the inclination other than the hair derived from the sample preparation (slide glass and mending) Surface tilt correction (designated 3 points) on the software. Then, the average height Rc value (JIS B0601: 2001) of the roughness curve element which is a JIS specification was computed. As a calculation method, a straight line having a length of 200 μm was drawn in the axial direction on the hair surface whose inclination was corrected earlier, and the Rc value (μm) on the straight line was calculated on software. This operation was performed 5 times on a randomly selected hair surface, and the average value was obtained.
This indicates that the larger the Rc value is, the rougher the surface shape is, that is, that the peeling of the cuticle is promoted. The smaller this value is, the more the cuticle peeling is suppressed.

  From Table 1 and Table 2, in the hair bundle obtained by applying the hair cosmetics obtained in Examples 1 to 5, the increase in Rc value at the time of stretching lift-up is reduced as compared with those of each comparative example. It was excellent in the effect of suppressing cuticle peeling.

Claims (5)

A hair cosmetic comprising the following components (A) to (C) and water.
(A) Succinic acid or salt thereof (B) Panthenol (C) chelating agent   The hair cosmetic composition according to claim 1, further comprising a component (D) surfactant.   The hair cosmetic according to claim 1, wherein a mass ratio ((A) / (B)) of the content of the component (A) to the component (B) is 0.5 or more and 100 or less.   The hair cosmetic according to claim 1 or 3, wherein the pH at 25 ° C when the hair cosmetic is diluted 20 mass times with water is 2 to 8.   A hair treatment method in which the hair cosmetic composition according to any one of claims 1 to 4 is applied to hair.