Hair cosmetics

Abstract

This hair cosmetic provides a bouncy, elastic gel that, when applied to hair, leaves no stickiness as it dries, resulting in a moist, natural shine, and a smooth, manageable finish that is easy to comb through. [Solution] A shear viscosity η obtained by a predetermined method, comprising the following components (A) to (D). 0.1 Shear viscosity η 0.01 The ratio (η 0.01 / η 0.1 A hair cosmetic in which the ratio of (A) to (B) a hydrophobic modified polyether urethane, (C) a cationic surfactant, (D) a polyether modified silicone, (A) a polyhydric alcohol.

Description

[Technical Field]

[0001] This invention relates to hair cosmetic products. [Background technology]

[0002] As technologies related to hair cosmetics, for example, the technologies described in Patent Documents 1 and 2 are known.

[0003] Patent Document 1 describes a hair cosmetic comprising (A) 0.1 to 10% by mass of a specific long-chain monoalkyl cationic surfactant, (B) 2.5 to 30% by mass of 1,2-dodecanediol and / or 1,2-decanediol, and (C) water for the remainder, wherein the (B) component / (A) component (mass ratio) is 1.5 or more, the viscosity is 500 (mPa·s / 30℃) or more, and the L value is 20 or more. According to Patent Document 1, it is stated that a hair cosmetic product can be provided that is excellent in terms of feel, safety (low irritation), and transparency.

[0004] Patent Document 2 describes an elastic gel-like composition characterized by containing a hydrophobic modified polyether urethane in an oil-in-water emulsion having oil droplets with an average particle size of 150 nm or less. According to Patent Document 2, the elastic gel-like composition can provide a composition that improves the high-temperature stability of an oil-in-water emulsion composition thickened with hydrophobic modified polyether urethane, while also maintaining a unique bouncy texture. [Prior art documents] [Patent Documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 2009-78992 [Patent Document 2] Japanese Patent Publication No. 2016-88868 [Overview of the project] [Problems that the invention aims to solve]

[0006] The present invention provides a hair cosmetic that is a bouncy, elastic gel, yet when applied to hair, does not leave any stickiness when drying, and provides a moist, natural shine, and a smooth, manageable finish that is easy to comb through. [Means for solving the problem]

[0007] According to the present invention, the shear viscosity η obtained by the following method, comprising the following components (A) to (D), is obtained. 0.1 Shear viscosity η 0.01 The ratio (η 0.01 / η 0.1 A hair cosmetic is provided in which the ratio is between 0.1 and 2. (A) Hydrophobic modified polyether urethane (B) Cationic surfactants (C) Polyether-modified silicone (D) Polyhydric alcohols [method] Using a rheometer and a cone plate (50 mm diameter, 1° angle) as a fixture, the viscosity of hair cosmetic products at 30°C was measured in the range of shear rates from 0.01 to 1000 [1 / s], and the shear viscosity η at a shear rate of 0.01 [1 / s] was determined. 0.01 Shear viscosity η when shear rate is 0.1 [1 / s] and [Pa·s] 0.1 Find [Pa·s].

[0008] The present invention provides a hair conditioning method comprising the step of applying the hair cosmetic according to the present invention to the hair using at least one selected from the group consisting of hands, fingers, and an applicator.

[0009] According to the present invention, a hair cosmetic kit is provided, comprising the hair cosmetic composition and an applicator. [Effects of the Invention]

[0010] According to the present invention, it is possible to provide a hair cosmetic that is an elastic gel characterized by its bouncy texture, yet when applied to hair, does not leave any stickiness when drying, and after drying, provides a moist feeling, natural shine, and a smooth, manageable finish that is easy to comb through. [Modes for carrying out the invention]

[0011] The embodiments of the present invention will be described below. Unless otherwise specified, the numerical range "A to B" represents A or greater and B or less.

[0012] Conventional hair cosmetics sometimes had room for improvement in terms of the moist feeling after drying and the smooth, manageable finish when applied to hair. For example, the hair cosmetic described in Patent Document 1 lacked a bouncy feel and had room for improvement in terms of the moist feeling after drying and the smooth, manageable finish when applied to hair. Also, the hair cosmetic using the elastic gel-like composition described in Patent Document 2 had room for improvement in terms of the moist feeling after drying and the smooth, manageable finish when applied to hair.

[0013] The present invention provides a hair cosmetic that is a bouncy, elastic gel, yet when applied to hair, does not leave any stickiness when drying, and provides a moist, natural shine, and a smooth, manageable finish that is easy to comb through.

[0014] In this specification, the expression "plump and bouncy" refers to the unique elastic texture possessed by aqueous solutions of hydrophobic modified polyether urethane. "A hair cosmetic that is an elastic gel characterized by a plump and bouncy feel" refers to a hair cosmetic that, for example, when pressed with a finger to apply pressure, deforms in shape and exhibits a moderate rebound force against the pressure, and when the finger is released, returns to its original shape and settles into a state of stillness after damped vibration (a plump and bouncy elastic feel).

[0015] [Hair Cosmetics] The hair cosmetic of this embodiment contains the following components (A) to (D), and has a shear viscosity η0.1 The shear viscosity η 0.01 ratio (η 0.01 / η 0.1 ) is 0.1 or more and 2 or less. (A) Hydrophobically modified polyether urethane (B) Cationic surfactant (C) Polyether-modified silicone (D) Polyhydric alcohol

[0016] The hair cosmetic of this embodiment has a shear viscosity η 0.1 ratio of the shear viscosity η 0.01 to η (η 0.01 / η 0.1 ) is 0.1 or more and 2 or less. Since η 0.01 / η 0.1 of the hair cosmetic of this embodiment is within the above numerical range, a hair cosmetic that is an elastic gel characterized by a bouncy feeling can be obtained. The ratio of the shear viscosity η 0.1 to the shear viscosity η 0.01 of the hair cosmetic of this embodiment (η 0.01 / η 0.1 ) is preferably 0.3 or more, more preferably 0.5 or more, still more preferably 0.8 or more, and from the viewpoint of further improving the bouncy feeling and the ease of application to hair, preferably 1.7 or less, more preferably 1.5 or less, still more preferably 1.3 or less, and even more preferably 1.1 or less. Furthermore, the ratio of the shear viscosity η 1000 to the shear viscosity η 0.1 of the hair cosmetic of this embodiment (η 0.1 / η 1000 ) is preferably 5 or more, more preferably 10 or more, still more preferably 20 or more, even more preferably 40 or more from the viewpoint of further improving the bouncy feeling, and from the viewpoint of further reducing the stickiness when drying after application to hair, preferably 5000 or less, more preferably 4000 or less, still more preferably 2500 or less, even more preferably 1000 or less, even more preferably 150 or less, and even more preferably 100 or less.

[0017] Shear viscosity η of the hair cosmetic composition of this embodiment 0.1 Shear viscosity η 0.01 The ratio (η 0.01 / η 0.1 ) and shear viscosity η 1000 Shear viscosity η 0.1 The ratio (η 0.1 / η 1000 The value can be adjusted to the desired value, for example, by adjusting the type and content of component (A).

[0018] Shear viscosity η of the hair cosmetic composition of this embodiment when the shear rate is 0.01 [1 / s] 0.01 From the viewpoint of further improving the bouncy feeling, the pressure is preferably 0.05 Pa·s or higher, more preferably 0.3 Pa·s or higher, even more preferably 1 Pa·s or higher, and even more preferably 5 Pa·s or higher. Furthermore, from the viewpoint of further improving the bouncy feeling and ease of application to hair, the pressure is preferably 3000 Pa·s or lower, more preferably 1200 Pa·s or lower, even more preferably 100 Pa·s or lower, and even more preferably 10 Pa·s or lower.

[0019] Shear viscosity η of the hair cosmetic composition of this embodiment when the shear rate is 0.1 [1 / s] 0.1 From the viewpoint of further improving the bouncy feeling, the pressure is preferably 0.05 Pa·s or higher, more preferably 0.10 Pa·s or higher, even more preferably 1.5 Pa·s or higher, and even more preferably 5 Pa·s or higher. From the viewpoint of further improving the bouncy feeling and ease of application to hair, the pressure is preferably 3000 Pa·s or lower, more preferably 1200 Pa·s or lower, even more preferably 100 Pa·s or lower, and even more preferably 10 Pa·s or lower.

[0020] Shear viscosity η of the hair cosmetic composition of this embodiment when the shear rate is 1000 [1 / s] 1000From the viewpoint of ease of application to hair, the pressure is preferably 0.001 Pa·s or higher, more preferably 0.01 Pa·s or higher, and even more preferably 0.04 Pa·s or higher. Furthermore, from the viewpoint of ease of application to hair, the pressure is preferably 1.0 Pa·s or lower, more preferably 0.5 Pa·s or lower, even more preferably 0.2 Pa·s or lower, and even more preferably 0.1 Pa·s or lower.

[0021] Here, the shear viscosity η of the hair cosmetic is 0.01 shear viscosity η 0.1 , and shear viscosity η 1000 This refers to the value obtained by the measurement method described below.

[0022] Using a rheometer and a cone plate (50 mm diameter, 1° angle) as a fixture, the viscosity of hair cosmetic products at 30°C was measured in the range of shear rates from 0.01 to 1000 [1 / s], and the shear viscosity η at a shear rate of 0.01 [1 / s] was determined. 0.01 Shear viscosity η at a shear rate of 0.1 [1 / s] in [Pa·s] 0.1 Shear viscosity η when shear rate is 1000 [1 / s] and [Pa·s] 1000 Find [Pa·s].

[0023] The following describes each component included in the hair cosmetic of this embodiment.

[0024] <Ingredient (A)> Component (A) is a hydrophobic modified polyether urethane. The hair cosmetic of this embodiment, when containing ingredient (A), can improve the bouncy, supple feeling.

[0025] Component (A) preferably contains a compound represented by the following formula (1). R 1 -{(OR 2 ) k -OCONH-R 3 [-NHCOO-(R 4 -O) n -R 5 ] h} m...(1)

[0026] In formula (1), R 1 , R 2 and R 4 These may be identical or different from each other, and represent a hydrocarbon group having 2 to 15 carbon atoms, R 3 R represents a hydrocarbon group which may have a urethane bond, 5 represents a linear, branched, or secondary hydrocarbon group with 8 to 36 carbon atoms, m is an integer between 2 and 8, h is 1 or 2, k is an integer between 1 and 500, and n is an integer between 1 and 200.

[0027] In formula (1), R 1 , R 2 and R 4 These may be the same or different from each other, preferably a hydrocarbon group having 2 to 10 carbon atoms, and more preferably a hydrocarbon group having 2 to 5 carbon atoms. In formula (1), R 3 Preferably, it is a hydrocarbon group, more preferably a hydrocarbon group having 1 to 10 carbon atoms, and even more preferably a hydrocarbon group having 2 to 8 carbon atoms. In formula (1), R 5 Preferably, it is a linear, branched, or secondary hydrocarbon group having 10 to 30 carbon atoms, and more preferably a linear, branched, or secondary hydrocarbon group having 12 to 26 carbon atoms.

[0028] In formula (1), m is preferably an integer between 2 and 5. In formula (1), h is preferably 1. In formula (1), k is preferably an integer between 10 and 400, more preferably an integer between 50 and 300, and even more preferably an integer between 100 and 200. In formula (1), n ​​is preferably an integer between 5 and 100, and more preferably an integer between 10 and 50.

[0029] Compounds represented by formula (1) include, for example, R 1 -[(OR2 ) k -OH] m One or more polyether polyols represented by R 3 -(NCO) h+1 One or more polyisocyanates represented by HO-(R 4 -O) n -R 5 It is obtained by reacting one or more polyether monoalcohols represented by [formula]. In this case, in equation (1), R 1 ~R 5 R 1 -[(OR 2 ) k -OH] m , R 3 -(NCO) h+1 , and HO-(R 4 -O) n -R 5 This is determined by [the following]. The charging ratio of the three is not particularly limited, but preferably the ratio of hydroxyl groups derived from polyether polyol and polyether monoalcohol to isocyanate groups derived from polyisocyanate is NCO / OH = 0.8:1 to 1.4:1.

[0030] Component (A) preferably includes a compound having a structure in which both ends of polyethylene glycol are modified with decyltetradecyl alcohol.

[0031] Component (A) preferably contains (PEG-240 / decyltetradeceth-20 / HDI) copolymer, from the viewpoint of further improving the bouncy texture.

[0032] The average weight molecular weight of component (A) determined by GPC is preferably 10,000 to 100,000, and more preferably 30,000 to 70,000.

[0033] Component (A) can be, for example, a commercially available compound. Examples of commercially available compounds include the (PEG-240 / decyltetradeceth-20 / HDI) copolymers "Adekanol GT-700" and "Adekanol GT-730" (manufactured by ADEKA Corporation). In the above formula (1), R 1 , R 2 and R 4 is a hydrocarbon group with 2 carbon atoms, R 3 is a hydrocarbon group with 6 carbon atoms, R 5 This is a hydrocarbon group with 24 carbon atoms, corresponding to a compound with m=2, h=1, k=120, and n=20.

[0034] The content of component (A), when the total hair cosmetic is considered as 100% by mass, is preferably 0.3% by mass or more, more preferably 0.6% by mass or more, even more preferably 0.7% by mass or more, and even more preferably 0.8% by mass or more, from the viewpoint of further improving the bouncy feeling, and from the viewpoint of further reducing stickiness when the product dries after being applied to the hair, is preferably 5% by mass or less, more preferably 4% by mass or less, even more preferably 2.5% by mass or less, and even more preferably 2.0% by mass or less.

[0035] <Ingredient (B)> Component (B) is a cationic surfactant. When the hair cosmetic of this embodiment contains ingredient (B), it can improve the manageability and moisturizing effect on hair after drying.

[0036] Component (B) comprises, for example, one or more selected from the group consisting of quaternary ammonium salts represented by the following formula (2), etheramines, hydroxyetheramines and their salts, and amidoamines and their salts, and preferably contains a quaternary ammonium salt represented by the following formula (2) from the viewpoint of further improving the manageability and moisturizing effect after drying when applied to hair.

[0037] [ka]

[0038] In formula (2), R and R' may be the same or different from each other, and represent a hydrogen atom, an alkyl group having 1 to 28 carbon atoms, or a benzyl group (except when R and R' are simultaneously a hydrogen atom, a benzyl group, a lower alkyl group having 1 to 3 carbon atoms, or a combination thereof), An - This represents an anion.

[0039] In formula (2), R and R' are, from the viewpoint of further improving the moist feeling after drying when applied to hair, preferably one is an alkyl group having 16 to 24 carbon atoms, more preferably an alkyl group having 18 carbon atoms, and even more preferably a linear alkyl group having 18 carbon atoms, and the other is preferably a lower alkyl group having 1 to 3 carbon atoms, more preferably a methyl group.

[0040] In equation (2), An - The ion is selected from the group consisting of chloride ions, bromide ions, iodide ions, methyl sulfate ions, ethyl sulfate ions, acetate ions, phosphate ions, sulfate ions, lactate ions, and saccharin ions, and is preferably a chloride ion.

[0041] The quaternary ammonium salt represented by formula (2) preferably includes a monolong-chain alkyl quaternary ammonium salt, from the viewpoint of further improving the manageability and moisturizing effect after drying when applied to hair. Examples of monolong-chain alkylquaternary ammonium salts include at least one selected from the group consisting of cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, alkyltrimethylammonium chloride, behenyltrimethylammonium chloride, and alkylbenzalkonium chloride, preferably at least one selected from the group consisting of stearyltrimethylammonium chloride and behenyltrimethylammonium chloride, and more preferably stearyltrimethylammonium chloride.

[0042] Examples of commercially available cetyltrimethylammonium chloride include, for example, Cotamin 60W (manufactured by Kao Corporation), examples of commercially available stearyltrimethylammonium chloride include, for example, Cotamin 86W (manufactured by Kao Corporation), and examples of commercially available behenyltrimethylammonium chloride include, for example, Nikko CA-2580 (manufactured by Nikko Chemicals Co., Ltd.).

[0043] The content of component (B), when the total hair cosmetic is considered as 100% by mass, is preferably 0.01% by mass or more, more preferably 0.02% by mass or more, even more preferably 0.03% by mass or more, even more preferably 0.05% by mass or more, even more preferably 0.10% by mass or more, and even more preferably 0.15% by mass or more, from the viewpoint of further improving the smoothness and moisturizing effect after drying when applied to the hair, and from the viewpoint of further improving the moisturizing effect and hair flow after drying when applied to the hair, is preferably 2% by mass or less, more preferably 1.0% by mass or less, even more preferably 0.8% by mass or less, even more preferably 0.5% by mass or less, and even more preferably 0.3% by mass or less.

[0044] <Component (C)> Component (C) is polyether-modified silicone. When the hair cosmetic of this embodiment contains ingredient (C), it can improve manageability after drying, natural shine, smoothness, and hair flow when applied to the hair.

[0045] Component (C) may be, for example, a substance that is soluble or dispersible in water or ethanol, and specifically includes one or more selected from the group consisting of polyoxyethylene-modified silicone, polypropylene-modified silicone, polyoxyethylene / polyoxypropylene-modified silicone, and polyglycerin-modified silicone. Here, examples of modification types include pendant type (side-chain modification type) and linear copolymer type.

[0046] Component (C) preferably contains a copolymer having block chains of organosiloxane chains and polyalkylene chains, in terms of manageability after drying, natural shine, manageability, and hair flow when applied to hair. Copolymers having block chains of organosiloxane chains and polyalkylene chains include, for example, (PEG-40 / PPG-8 methylaminopropyl / hydropropyl dimethicone) copolymers such as Silsoft A+ (manufactured by Momentive Performance Materials Japan LLC); polysilicone-13 such as DOWSIL FZ-2222, DOWSIL FZ-2233, DOWSIL CB2250 (manufactured by Dow Toray Industries, Inc.); PEG-12 dimethicone such as Silwet L-8600 (manufactured by Momentive Performance Materials Japan LLC), DOWSIL SS-2804 (manufactured by Dow Toray Industries, Inc.), DOWSIL SH-3771M (manufactured by Dow Toray Industries, Inc.), DOWSIL FB-2540 Emulsifier Blend (manufactured by Dow Toray Industries, Inc.); Silsoft PPG-12 dimethicone such as 900 (manufactured by Momentive Performance Materials Japan LLC); PEG-10 dimethicone such as Silsoft 860 (manufactured by Momentive Performance Materials Japan LLC), DOWSIL SS-2802 (manufactured by Dow Toray Industries, Inc.), KF-6017, KF-6043 (manufactured by Shin-Etsu Chemical Co., Ltd.); (bis-isobutyl PEG-14 / amodimethicone) copolymer such as SILSTYLE 104 (manufactured by Dow Toray Industries, Inc.); (bis-isobutyl PEG / PPG-20 / 35 / amodimethicone) copolymer such as SILSTYLE 401 (manufactured by Dow Toray Industries, Inc.); bis-isopropanolamino-PG-propyl such as DOWSIL CE-8411 Smooth Plus Emulsion (manufactured by Dow Toray Industries, Inc.) Dimethicone / bis-isobutyl PEG-14 copolymer; (bis-isobutyl PEG-15 / amodimethicone) copolymer such as DOWSIL SS-3588 (manufactured by Dow-Toray Inc.); PEG / PPG-20 / 22 methyl ether dimethicone such as DOWSIL L-7001 (manufactured by Dow-Toray Inc.); PEG / PPG-20 / 22 butyl ether dimethicone such as KF-6012 (manufactured by Shin-Etsu Chemical Co., Ltd.); PEG / PPG-30 / 10 dimethicone such as DOWSIL FB-2540 Emulsifier Blend (manufactured by Dow-Toray Inc.);It contains at least one selected from the group consisting of PEG-9 dimethicone such as KF-6029 (manufactured by Shin-Etsu Chemical Co., Ltd.) and KF-6013 (manufactured by Shin-Etsu Chemical Co., Ltd.); PEG-11 methyl ether dimethicone such as KF-6011 (manufactured by Shin-Etsu Chemical Co., Ltd.); etc.

[0047] Component (C) preferably comprises at least one selected from the group consisting of polysilicone-13, PEG-12 dimethicone, PEG-10 dimethicone, and PEG / PPG-20 / 22 methyl ether dimethicone, in terms of manageability after drying, natural shine, combability, and hair flow when applied to hair; more preferably comprises at least one selected from the group consisting of PEG-12 dimethicone and PEG-10 dimethicone; and even more preferably comprises PEG-12 dimethicone.

[0048] The content of component (C) is preferably 0.005% by mass or more, more preferably 0.05% by mass or more, even more preferably 0.10% by mass or more, even more preferably 0.5% by mass or more, and preferably 5% by mass or less, more preferably 3.0% by mass or less, even more preferably 2.5% by mass or less, even more preferably 2.2% by mass or less, and even more preferably 1.2% by mass or less, when the total hair cosmetic composition is considered as 100% by mass. When the content of ingredient (C) is above the lower limit, the manageability of the hair after drying is improved, and the smoothness, moisture, and natural shine of the hair after drying can be further enhanced. Furthermore, when the content of ingredient (C) is below the upper limit, the hair flow after drying can be further enhanced.

[0049] The mass ratio ((C) / (A)) of the content of component (C) to the content of component (A) in the hair cosmetic is preferably 0.005 or more, more preferably 0.01 or more, even more preferably 0.05 or more, even more preferably 0.10 or more, even more preferably 0.2 or more, even more preferably 0.5 or more, and preferably 10 or less, more preferably 5 or less, even more preferably 2.5 or less, even more preferably 2 or less, and even more preferably 1.3 or less. When the above mass ratio ((C) / (A)) is greater than or equal to the above lower limit, it can further reduce stickiness when applied to hair as it dries, and further improve the manageability, moisturizing effect, and natural shine of hair after drying. When the above mass ratio ((C) / (A)) is less than or equal to the above upper limit, it can further improve the flow of hair after drying.

[0050] <Ingredient (D)> Component (D) is a polyhydric alcohol. When the hair cosmetic of this embodiment contains component (D), it reduces stickiness as it dries after application to the hair, and improves manageability and manageability after drying.

[0051] Component (D) includes, for example, at least one selected from the group consisting of glycerin, 1,3-butylene glycol, propylene glycol, 3-methyl-1,3-butanediol, 1,3-propanediol, 2-methyl-1,3-propanediol, trimethylolpropane, pentaerythritol, hexylene glycol, diglycerin, polyglycerin, diethylene glycol, polyethylene glycol, dipropylene glycol, polypropylene glycol, ethylene glycol, and isoprene glycol.

[0052] Component (D) preferably comprises at least one selected from the group consisting of glycerin, polyethylene glycol, 1,3-butylene glycol, propylene glycol, dipropylene glycol, and isoprene glycol, and more preferably comprises glycerin, from the viewpoint of further reducing stickiness when applied to hair as it dries, further improving the smoothness of the surface after drying, and further improving the manageability of the hair after drying.

[0053] The content of component (D), when the total hair cosmetic is considered as 100% by mass, is preferably 0.1% by mass or more, more preferably 0.3% by mass or more, even more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more, from the viewpoint of further reducing stickiness when the hair dries after application and further improving the smoothness of the hair after drying, and is preferably 15% by mass or less, more preferably 7% by mass or less, and even more preferably 3% by mass or less.

[0054] <Ingredient (E)> The hair cosmetic of this embodiment preferably further comprises component (E). Component (E) is a polyalkylene oxide derivative. When the hair cosmetic of this embodiment contains ingredient (E), it can further suppress stickiness when applied to hair as it dries, improve the evenness of the surface after drying, improve hair flow, manageability, moisturizing effect, and natural shine, and further enhance the bouncy feel, thus improving the overall performance of the hair cosmetic.

[0055] Component (E) is preferably water-soluble and liquid at 25°C. In component (E), the "water-soluble" polyalkylene oxide derivative is preferably one that becomes transparent to the naked eye when added and mixed with water (25°C) at a concentration of 1% by mass, from the viewpoint of improving the aesthetic appearance of the product.

[0056] The total average number of added moles of alkylene oxide in the polyalkylene oxide derivative of component (E) is preferably 5 to 500, more preferably 5 to 250, even more preferably 5 to 100, and even more preferably 5 to 50, from the viewpoint of further suppressing stickiness when applied to hair as it dries and further improving the bouncy feeling.

[0057] The polyoxyalkylene chains in the polyalkylene oxide derivative of component (E) are preferably one or more selected from the group consisting of polyoxyethylene chains, polyoxypropylene chains, and polyoxybutylene chains, and more preferably one or more selected from the group consisting of polyoxyethylene chains and polyoxypropylene chains, in order to further suppress stickiness when applied to hair as it dries and to further improve the bouncy feeling.

[0058] Component (E) preferably includes at least one selected from the group consisting of polyalkylene oxide polyol ether compounds (polyalkylene oxide polyol ethers) and polyalkylene oxide lower alkyl ether compounds (polyalkylene oxide lower alkyl ethers), from the viewpoint of further suppressing stickiness when applied to hair as it dries and further improving the bouncy feeling. Ingredient (E) preferably contains a polyalkylene oxide polyol ether, from the viewpoint of further suppressing stickiness when applied to hair as it dries and further improving the bouncy feeling. The average molecular weight of the polyalkylene oxide lower alkyl ether is preferably between 900 and 7500.

[0059] Examples of polyalkylene oxide polyol ethers include glucose ether compounds or methyl glucose ether compounds of polyalkylene oxides such as polyoxyethylene (20 E.O.) methyl glucoside and polyoxypropylene (10 P.O.) methyl glucoside; glyceryl ether compounds of polyalkylene oxides such as polyoxyethylene (12 E.O.) glyceryl ether, polyoxypropylene (9 P.O.) glyceryl ether, polyoxyethylene (24 E.O.) polyoxypropylene (24 P.O.) glyceryl ether, and polyoxyethylene (8 E.O.) polyoxypropylene (5 P.O.) polyoxybutylene (3 B.O.) glyceryl ether; poly Examples include at least one selected from the group consisting of: diglyceryl ether compounds of polyalkylene oxides such as oxypropylene (9P.O.) diglyceryl ether; glycol ether compounds of polyalkylene oxides such as polyoxyethylene (300E.O.) polyoxypropylene (75P.O.) hexylene glycol; and sorbitol ether compounds of polyalkylene oxides such as polyoxypropylene (9P.O.) sorbitol ether. Among these, from the viewpoint of further suppressing stickiness when applied to hair and further improving the bouncy feeling, a glucose ether compound or methyl glucose ether compound of polyalkylene oxide is preferably included.

[0060] As the polyalkylene oxide lower alkyl ether, from the viewpoint of further suppressing stickiness when applied to hair as it dries and further improving the bouncy feeling, it preferably contains polyalkylene oxide butyl ether, and more preferably contains polyoxyethylene polyoxypropylene butyl ether. The average number of moles of ethylene oxide added to polyoxyethylene polyoxypropylene butyl ether is preferably 5 to 75, more preferably 10 to 55, from the viewpoint of further suppressing stickiness when the hair dries after application and further improving the bouncy feeling. The average number of moles of propylene oxide added to polyoxyethylene polyoxypropylene butyl ether is preferably 3 to 50, more preferably 7 to 35, from the viewpoint of further suppressing stickiness when the hair dries after application and further improving the bouncy feeling. Examples of polyoxyethylene polyoxypropylene butyl ether include at least one selected from the group consisting of polyoxyethylene (10 E.O.) polyoxypropylene (7 P.O.) butyl ether, polyoxyethylene (17 E.O.) polyoxypropylene (17 P.O.) butyl ether, and polyoxyethylene (45 E.O.) polyoxypropylene (33 P.O.) butyl ether.

[0061] The polyalkylene oxide derivative of component (E) may be used alone or in combination of two or more types. Furthermore, the polyalkylene oxide derivative of component (E) may be a commercially available product or one synthesized according to conventional methods.

[0062] Examples of commercially available polyalkylene oxide methyl glucose ether compounds include Macbiobride MG-10E and MG-20E, which are polyoxyethylene methyl glucosides, and Macbiobride MG-10P and MG-20P, which are polyoxypropylene methyl glucosides (manufactured by NOF Corporation).

[0063] Examples of commercially available polyalkylene oxide glyceryl ether compounds include Conion RG-120 (manufactured by Shin-Nippon Rika Co., Ltd.), which is a polyoxyethylene glyceryl ether; Newpol GP-600 (manufactured by Sanyo Chemical Industries, Ltd.), which is a polyoxypropylene glyceryl ether; Unilube 50TG-32 (manufactured by NOF Corporation), which is a polyoxyethylene polyoxypropylene glyceryl ether; and Wilbride S-753 (manufactured by NOF Corporation), which is a polyoxyethylene polyoxypropylene polyoxybutylene glyceryl ether. Examples of commercially available polyalkylene oxide diglyceryl ether compounds include polyoxypropylene diglyceryl ethers such as SY-DP9 and SY-DP14T (manufactured by Sakamoto Pharmaceutical Co., Ltd.), and Unilube DGP-700 and 950 (manufactured by NOF Corporation).

[0064] Examples of commercially available glycol ether compounds of polyalkylene oxides include Newpol 75H-90000 (manufactured by Sanyo Chemical Industries, Ltd.), which is polyoxyethylene polyoxypropylene hexylene glycol. Examples of commercially available polyalkylene oxide sorbitol ether compounds include Newpol SP-750 (manufactured by Sanyo Chemical Industries, Ltd.), which is a polyoxypropylene sorbitol ether.

[0065] Examples of commercially available polyalkylene oxide butyl ethers include Unilube 50MB-26 (manufactured by NOF Corporation), which is polyoxyethylene polyoxypropylene butyl ether, and Newpol 50HB-260 and 50HB-5100 (manufactured by Sanyo Chemical Industries, Ltd.).

[0066] The content of component (E), when the total hair cosmetic composition is considered as 100% by mass, is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, and even more preferably 0.10% by mass or more, and also preferably 5% by mass or less, more preferably 3% by mass or less, and even more preferably 2% by mass or less, from the viewpoint of further suppressing stickiness when the hair dries after application and further improving the bouncy feeling.

[0067] <Other ingredients> The hair cosmetic of this embodiment may further contain other ingredients commonly used in hair cosmetics, depending on the purpose. Examples of other ingredients include silicones, ester oils, plant-derived oily components, hydrocarbon oils, water, lower alcohols, ether oils, higher fatty acids, organic acids, glycylglycine derivatives, surfactants, ceramides, vitamins, extracts, propellants, fragrances, antioxidants, aromatic alcohols, preservatives, UV absorbers, colorants, and the like.

[0068] <Silicones> Examples of silicones other than component (C) include dimethylpolysiloxane (dimethicone), amino-modified silicone, methylphenylpolysiloxane, fatty acid-modified silicone, alkoxy-modified silicone, alkyl-modified silicone, cyclic silicone, dimethiconol, polyglycidol-modified silicone, alcohol-modified silicone, epoxy-modified silicone, fluorine-modified silicone, oxazoline-modified silicone (e.g., polysilicone-9), and other volatile silicones with a boiling point of 260°C or less at 10¹³.25 hPa, such as methyl trimethicone, hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, and dodecamethylpentasiloxane.

[0069] The silicones other than component (C) preferably include at least one selected from the group consisting of dimethylpolysiloxane (dimethicone), amino-modified silicone, dimethiconol, and oxazoline-modified silicone, and more preferably include at least one selected from the group consisting of amino-modified silicone and oxazoline-modified silicone.

[0070] <Ester oil> Examples of ester oils include diisobutyl adipate, 2-hexyldecyl adipate, di-2-heptylundecyl adipate, alkyl glycol monoisostearate, isocetyl isostearate, isostearyl isostearate, trimethylolpropane triisostearate, ethylene glycol di-2-ethylhexanoate, neopentyl glycol di-2-ethylhexanoate, trimethylolpropane tri-2-ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, and 2-ethylhexanoate. Cetyl octanoate, oleyl oleate, octyldodecyl oleate, decyl oleate, neopentyl glycol dicaprate, triethyl citrate, 2-ethylhexyl succinate, isocetyl stearate, butyl stearate, diisopropyl sebacate, di-2-ethylhexyl sebacate, cetyl lactate, myristyl lactate, isopropyl palmitate, 2-ethylhexyl palmitate, 2-hexyldecyl palmitate, butyl stearate, 2-heptylundecyl palmitate, dipentaerythritol fatty acid Isopropyl myristate, isononyl isononanoate, isotridecyl isononanoate, isopropyl myristate, isopropyl palmitate, ethylhexyl myristate, 2-octyldodecyl myristate, 2-hexyldecyl myristate, myristyl myristate, isocetyl myristate, hexyldecyl dimethyloctanoate, ethyl laurate, hexyl laurate, 2-ethylhexyl methoxycinnamate, alkyl (C12-15) benzoate, diethylaminohydroxybenzoyl hexyl benzoate, diisostearyl malate, tri-2- Glyceryl ethylhexanoate, glyceryl tri(caprylate / caprine), glyceryl tricaprate, glyceryl triisostearate, diglyceryl diisostearate, diglyceryl triisostearate, diglyceryl tetraisostearate, decaglyceryl decaisostearate, glyceryl triisopalmitate, glyceryl trimyristate, diglyceryl isostearate myristate, tridecyl trimellitate, triethylhexanoin, 2-octyldodecyl N-lauroyl-L-glutamate,Examples include N-lauroyl-L-glutamic acid di(phytostearyl / 2-octyldodecyl), N-lauroyl-L-glutamic acid di(octyldodecyl / phytosteryl / behenyl), etc.

[0071] <Plant-derived oily components> Examples of plant-derived oily components include vegetable oils and essential oils. Examples of vegetable oils include avocado oil, linseed oil, almond oil, fennel oil, perilla oil, olive fruit oil, cocoa butter, carrot oil, cucumber oil, apricot kernel oil, kukui nut oil, walnut oil, coconut oil, wheat germ oil, sesame oil, rice oil, rice bran oil, rice germ oil, camellia oil, safflower oil, salad oil, shea butter, soybean oil, tea oil, evening primrose oil, camellia oil, corn oil, rapeseed oil, peach kernel oil, castor oil, sunflower seed oil, grape seed oil, hazelnut oil, jojoba seed oil, macadamia nut oil, mink oil, cottonseed oil, meadowfoam oil, peanut oil, rosehip oil, palm oil, palm kernel oil, Japan wax, coconut oil, and argania spinosa kernel oil.

[0072] Examples of essential oils include orange oil, lemon oil, lime oil, bergamot oil, vanilla oil, mandarin oil, peppermint oil, spearmint oil, lavender oil, chamomile oil, rosemary oil, eucalyptus oil, sage oil, basil oil, rose oil, rock rose oil, geranium oil, jasmine oil, ylang-ylang oil, anise oil, clove oil, ginger oil, nutmeg oil, cardamom oil, cedar oil, cypress oil, vetiver oil, patchouli oil, lemongrass oil, labdanum oil, grapefruit oil, and elemi oil.

[0073] <Hydrogen oils> Examples of hydrocarbon oils include squalane, mineral oil (liquid paraffin, liquid isoparaffin, heavy liquid isoparaffin), straight-chain alkanes, and branched alkanes. These also include polyolefins, which are synthetic hydrocarbon oils.

[0074] <Higher fatty acids> Examples of higher fatty acids include fatty acids having 8 or more carbon atoms, preferably 12 or more carbon atoms, and lacking hydroxyl groups. Examples include capric acid, lauric acid, myristic acid, palmitic acid, isopalmitic acid, stearic acid, isostearic acid, oleic acid, behenic acid, coconut oil fatty acid, lanolin fatty acid, etc. Preferably, it includes at least one selected from the group consisting of isostearic acid and lanolin fatty acid.

[0075] <Aromatic alcohols> Examples of aromatic alcohols include benzyl alcohol, cinnamyl alcohol, phenethyl alcohol, p-anisyl alcohol, p-methylbenzyl alcohol, phenoxyethanol, and 2-benzyloxyethanol, with benzyl alcohol, phenoxyethanol, and 2-benzyloxyethanol being preferred. These aromatic alcohols can be used individually or in combination of two or more.

[0076] <Organic acid> Examples of organic acids include organic acids having 8 or fewer carbon atoms, preferably monocarboxylic acids, dicarboxylic acids, tricarboxylic acids, and hydroxycarboxylic acids having 8 or fewer carbon atoms. Specifically, dicarboxylic acids include malonic acid, succinic acid, glutaric acid, adipic acid, maleic acid, fumaric acid, phthalic acid, oxalic acid, malic acid, and tartaric acid; tricarboxylic acids include citric acid; and hydroxycarboxylic acids include glycolic acid, lactic acid, hydroxyacrylic acid, oxybutyric acid, glyceric acid, malic acid, tartaric acid, and citric acid. Among these, succinic acid, glycolic acid, lactic acid, malonic acid, maleic acid, and malic acid are preferred. These organic acids may also be salts, such as salts with alkali metals, alkaline earth metals, ammonia, and organic compounds. These organic acids or their salts can be used individually or in combination of two or more.

[0077] <Glycylglycine derivative> Glycylglycine derivatives may also be salts. Examples of glycylglycine derivatives or salts thereof include glycylglycine derivatives or salts thereof represented by formula (3).

[0078] [ka]

[0079] [In formula (3), X represents a divalent hydrocarbon group having 1 to 4 carbon atoms that may be substituted with a hydroxyl group, or an amino acid residue, and Y represents an amino acid residue, or formula (4)

[0080] [ka]

[0081] (In formula (4), -* indicates a bond that connects to an adjacent carbonyl group or oxygen atom.) This represents a divalent group, R represents a monovalent hydrocarbon group having 1 to 4 carbon atoms that may be substituted with a hydrogen atom or a hydroxyl group, and a and b represent 0 or 1. However, if a and b are both 1, X cannot be an amino acid residue.

[0082] The glycylglycine derivatives preferably include glycylglycine derivatives in which a and b are 0 and R is a hydrogen atom, and specifically include dipeptide 15 (glycylglycine).

[0083] <Surfactants> As surfactants other than component (B) or component (E), for example, nonionic surfactants other than component (E), amphoteric surfactants, and anionic surfactants can be used, and preferably include nonionic surfactants other than component (E).

[0084] Examples of nonionic surfactants other than component (E) include those with an HLB value of 4 or more and 8 or less according to the Davies method, preferably including those with an HLB value of 5 or more and 7 or less, and more preferably including those with an HLB value of 5.5 or more and 7 or less. Specifically, commercially available products such as Dispanol TOC manufactured by NOF Corporation, BLAUNON EH-2, BLAUNON EH-4, BLAUNON EH-6, BLAUNON EH-11 manufactured by Aoki Oil & Fat Industry Co., Ltd., Emulgen 109P, Emulgen 120, Softanol EP9050, Softanol EP12030 manufactured by Kao Corporation, and Softanol 90, Softanol 120, Softanol 150, Softanol 200 manufactured by Nippon Shokubai Co., Ltd. can be used.

[0085] <Water> The hair cosmetic composition of this embodiment preferably contains water as a medium. The water content, when the total hair cosmetic is considered as 100% by mass, is preferably 80% by mass or more, more preferably 85% by mass or more, and even more preferably 90% by mass or more, from the viewpoint of further improving the bouncy feeling, and is preferably 98% by mass or less, more preferably 97% by mass or less, and even more preferably 96% by mass or less.

[0086] <Lower alcohol> The hair cosmetic composition of this embodiment may contain a lower alcohol as a medium. From the viewpoint of how easily the agent can be spread when applied to hair, the lower alcohol preferably contains a lower alcohol having 1 to 4 carbon atoms, and more preferably contains ethanol. The lower alcohol content, when the total hair cosmetic composition is considered as 100% by mass, is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, even more preferably 0.5% by mass or more, and also preferably 510% by mass or less, more preferably 7% by mass or less, even more preferably 5% by mass or less, and even more preferably 3% by mass or less, from the viewpoint of ease of spreading the agent when applied to hair.

[0087] The total content of component (A), component (B), component (C), component (D), and the medium is preferably 85% by mass or more, more preferably 90% by mass or more, and even more preferably 95% by mass or more, and for example, 100% by mass or less, when the total hair cosmetic composition is considered to be 100% by mass. When the total content of the above ingredients is above the lower limit, it further enhances the bouncy texture, reduces stickiness when drying after application to the hair, and improves the moisturizing effect, manageability, natural shine, and smoothness after drying.

[0088] The method for producing the hair cosmetic of this embodiment is not particularly limited, and one method is to mix each component by any method. The hair cosmetic composition of this embodiment is preferably obtained by mixing a medium (e.g., water) and component (A) under heating (e.g., 60°C to 80°C) to uniformly dissolve component (A) in the medium, and then adding the remaining components and mixing them uniformly at room temperature. The mixing step may be carried out under reduced pressure.

[0089] The hair cosmetic of this embodiment is used as one of the following selected from the group consisting of, for example, leave-in treatments, styling products, hair dyes, scalp lotions, rinse-off treatments, etc. The hair cosmetic of this embodiment is preferably selected from the group consisting of leave-in treatments and styling agents, and more preferably is a leave-in treatment.

[0090] The formulation of the hair cosmetic in this embodiment is not particularly limited, but examples include any of the following selected from the group consisting of jar type, pump type, tube type, sheet impregnation type, roll-on type, mascara type, etc. In this embodiment, from the viewpoint of providing a more bouncy, jelly-like feel when applied to the hand, spray-type hair cosmetics are preferably excluded, and more preferably aerosol spray-type hair cosmetics are excluded.

[0091] The appearance of the hair cosmetic in this embodiment is not particularly limited, but examples include transparent, translucent, and cloudy when evaluated visually, with transparent being preferred.

[0092] [Hair Conditioning Methods] The hair conditioning method of this embodiment includes the step of applying the hair cosmetic of this embodiment to the hair using at least one selected from the group consisting of hands, fingers, and an applicator. Examples of application tools include brushes (including mascara brushes), paintbrushes, applicators, combs, sponges, puffs, spatulas, spoons, etc.

[0093] [Hair care kit] The hair cosmetic kit of this embodiment includes the hair cosmetic of this embodiment and an applicator. Examples of application tools include brushes (including mascara brushes), paintbrushes, applicators, combs, sponges, puffs, spatulas, spoons, etc. The applicator in the hair cosmetic kit of this embodiment includes not only an applicator for directly applying the hair cosmetic to the hair, but also an applicator for indirectly applying the hair cosmetic to the hair. Applicators for indirectly applying hair cosmetics to hair include, for example, tools for dispensing a desired amount of hair cosmetic from a container. In this case, a method for applying the hair cosmetic to the hair includes, for example, dispensing the desired amount of hair cosmetic from the container using the applicator, transferring the desired amount of hair cosmetic to the hand or fingers, and then applying the hair cosmetic to the hair with the hand or fingers. Specific examples of applicators for indirectly applying hair cosmetics to hair include, for example, spatulas, spoons, etc. The applicator may be combined with a container to form a kit. Examples of containers that can be combined with the applicator include jars, bottles, tubes, pouches, sachets, etc., with jars and tubes being preferred.

[0094] The embodiments of the present invention have been described above, but these are merely examples, and various other configurations can also be adopted. Furthermore, the present invention is not limited to the embodiments described above, and any modifications, improvements, etc., that can achieve the objectives of the present invention are included in the present invention. [Examples]

[0095] The embodiment will be described in detail below based on examples and comparative examples. However, this embodiment is not limited in any way to the descriptions of these examples.

[0096] [Examples 1-19 and Comparative Examples 1-7] Solutions (hair cosmetics) with the compositions shown in Tables 1-3 were prepared, and the hair treated with these solutions underwent the following sensory evaluations and shear viscosity measurements.

[0097] [Examples 1-19 and Comparative Examples 4-7] (Preparation methods for each solution) In a 200 mL glass beaker, deionized water and ingredient (A) were measured according to the formula shown in the table. The mixture was then heated to 70°C in a water bath (Sansho Co., Ltd., SAW-200 model) and stirred until uniform. After confirming the uniform dissolution of component (A), the temperature was adjusted to 25°C, and the components other than component (A) were added according to the formulations listed in the table. The mixture was then stirred until uniform dissolution was achieved, yielding the solutions (hair cosmetics) of Examples 1-19 and Comparative Examples 4-7, respectively.

[0098] [Comparative Examples 1-3] (Preparation methods for each solution) In a 200 mL glass beaker, deionized water and the ingredients listed in the table were measured according to the formulations shown in the table. The mixture was then stirred at a temperature of 25°C until uniform dissolution was achieved, yielding solutions (hair cosmetics) for Comparative Examples 1-3.

[0099] (Method for measuring shear viscosity) The shear viscosity was measured for the hair cosmetics at 30°C in the shear rate range of 0.01 to 1000 [1 / s] using a rheometer (Anton Paar, model MCR 301) and a jig (Anton Paar, product name: CP50-1 / s, cone plate, diameter 50 mm, angle 1°). Shear viscosity η when the shear rate is 0.01 [1 / s] 0.01 [Pa·s], shear viscosity η when the shear rate is 0.1 [1 / s] 0.1 [Pa·s], shear viscosity η when the shear rate is 1000 [1 / s] 1000 [Pa·s], and the ratio of η 0.1 to η 0.01 (η 0.01 / η 0.1 ) [-], the ratio of η 1000 to η 0.1 (η 0.1 / η 1000 ) [-] are shown in Tables 1 to 3.

[0100] (Sensory evaluation) For the hair cosmetics of Examples 1 to 19 and Comparative Examples 2 to 7, the following sensory evaluations (1) to (8) were conducted. For the hair cosmetics of Comparative Example 1, the following sensory evaluations (1) and (8) were conducted. Also, the following sensory evaluations (1) to (7) were evaluated by performing the following (hair treatment method). The evaluation results of the following sensory evaluations (1) to (8) are shown in Tables 1 to 3.

[0101] (Hair treatment method) Using 8.0 g of human black hair ((manufactured by Biurax Co., Ltd., product number: BS-A)), a tress with a width of 5 cm and a length of 30 cm was created and used for evaluation. Using a tress wetted with tap water for 30 seconds, the solutions of each example and comparative example were taken by hand, applied to the hair at a bath ratio of 0.2, and then completely dried using a dryer (manufactured by TESCOM, model NIB3000) without rinsing. The evaluation was conducted 30 minutes after drying.

[0102] (1) Slimy feeling The "jelly-like" texture was evaluated by seven expert panelists based on their sensory perception of the feel of the product when it was applied to the hand, as well as when it was taken out of the hand. The evaluation was based on the total score using the following five-point scale. 1: Bad, 2: Somewhat bad, 3: Neither good nor bad, 4: Somewhat good, 5: Good

[0103] (2) No stickiness when dry The evaluation of the lack of stickiness upon drying was conducted by a sensory evaluation by seven expert panelists, who assessed the feel of the product on their fingers and hands while drying the hair with a hairdryer after applying the product to the hair. The evaluation was based on the total score obtained using the following five-point scale. 1: Sticky, 2: Slightly sticky, 3: Neither sticky nor sticky, 4: Not sticky, 5: Not sticky at all

[0104] (3) Evenness of the surface after drying The uniformity of the surface after drying was evaluated by a visual inspection conducted by seven expert panelists. The evaluation was based on the total score obtained using the following five-point scale. 1: Bad, 2: Somewhat bad, 3: Neither good nor bad, 4: Somewhat good, 5: Good

[0105] (4) Hair flow without clumping after drying The evaluation of the hair's smooth, clump-free texture after drying was conducted by a visual assessment by seven expert panelists. The evaluation was based on the total score using the following five-point scale. 1: Bad, 2: Somewhat bad, 3: Neither good nor bad, 4: Somewhat good, 5: Good

[0106] (5) How smooth your fingers can run through your fingers after drying The evaluation of the hair's manageability after drying was conducted through a sensory evaluation by seven expert panelists, who assessed the feel of the hair strands when run fingers through them after drying. The evaluation was based on the total score obtained using the following five-point scale. Evaluation Criteria 1: Bad, 2: Somewhat bad, 3: Neither good nor bad, 4: Somewhat good, 5: Good

[0107] (6) Moisturizing feeling after drying The evaluation of the moisturizing effect after drying was conducted through a sensory evaluation by seven expert panelists, based on the feel of running their fingers through the dried hair strands. The evaluation was based on the total score using the following five-point scale. Evaluation Criteria 1: Bad, 2: Somewhat bad, 3: Neither good nor bad, 4: Somewhat good, 5: Good

[0108] (7) Natural shine after drying The natural sheen after drying was evaluated visually by seven expert panelists. The evaluation was based on the total score obtained using the following five-point scale. 1: Bad, 2: Somewhat bad, 3: Neither good nor bad, 4: Somewhat good, 5: Good

[0109] (8) Appearance of the preparation 20g of the hair cosmetic prepared in Examples 1-19 and Comparative Examples 1-7 was filled into glass bottles (screw-loaded tubes No. 7, manufactured by Maruemu Co., Ltd.), and a sheet of A4 copy paper printed in MS Gothic 12-point font was placed on top to visually observe the characters. The appearance was evaluated using the following three-level criteria. Transparent: Text can be read. Semi-transparent: Text is visible but unreadable. Opaque: Text is not visible

[0110] [Table 1]

[0111] [Table 2]

[0112] [Table 3]

[0113] In Tables 1-3, the amounts of each component represent the active amount. Details of the components listed in Tables 1-3 are as follows: <Ingredient (A)> • (PEG-240 / Decyltetradeceth-20 / HDI) Copolymer: Adekanol GT-700 (Manufactured by ADEKA Corporation) <Ingredients (A')> • Polyquaternium-37: Cosmedia Ultragel 300 (manufactured by BASF Japan Ltd.) • Polyacrylate-1: Coscut GA468 (manufactured by Osaka Organic Chemical Industry Co., Ltd.) <Ingredient (B)> • Steartrimonium chloride: Cotamine 86W (manufactured by Kao Corporation), 28% aqueous solution <Component (C)> • PEG-12 Dimethicone: DOWSIL SS-2804 (manufactured by Dow Toray Industries, Inc.) • PEG-10 Dimethicone: KF-6043 (manufactured by Shin-Etsu Chemical Co., Ltd.) <Ingredients (C')> • High polymerization dimethicone: KF-96H-100,000 CS (manufactured by Shin-Etsu Chemical Co., Ltd.) <Ingredient (D)> • Glycerin: Concentrated glycerin for cosmetics (manufactured by Kao Corporation) • Polyethylene glycol (PEG-1540): PEG-1540 (manufactured by Sanyo Chemical Industries, Ltd.) • Polyethylene glycol (PEG-600): PEG-600 (manufactured by Sanyo Chemical Industries, Ltd.) • Isoprene glycol: Isoprene glycol (manufactured by Kuraray Co., Ltd.) • 1,3-Butylene glycol: 1,3-Butylene glycol-P (manufactured by KH Neochem Co., Ltd.) <Ingredient (E)> • PPG-10 Methyl Glucose Ether: MacBioBride MG-10P (manufactured by NOF Corporation)

[0114] Tables 1-3 show that the examples, compared to the comparative examples, showed an improved balance in the evaluation results for "(1) bounciness," "(2) lack of stickiness when drying," "(3) evenness of the surface after drying," "(5) ease of use after drying," "(6) moist feeling after drying," and "(7) natural shine after drying." In other words, the hair cosmetic of this embodiment is an elastic gel characterized by its bouncy texture, yet when applied to the hair, it does not leave any stickiness when it dries, and after drying, it provides a moist feeling, a natural shine, and a smooth, manageable finish that is easy to comb through.

[0115] Furthermore, from the evaluation results of "(4) Hair flow without clumping after drying" in the example, it can be understood that the hair cosmetic of this embodiment, when applied to hair, results in a finish with hair flow without clumping after drying. In addition, from the evaluation results of "(8) Appearance of the formulation" in the example, it can be understood that the hair cosmetic of this embodiment can improve transparency when evaluated visually.

[0116] [Prescription Examples 1-3] Table 4 shows examples 1-3 of leave-in treatment formulations.

[0117] [Table 4]

[0118] In Table 4, the amounts listed for each component represent the active amounts. Details of the components listed in Table 4 are as follows: Components (A) to (E) are the same as those listed in Tables 1 to 3.

[0119] *1: SILSOFT EM341N EMULSION (manufactured by Momentive Performance Materials Japan LLC) *2: Excepal IPM (manufactured by Kao Corporation) *3: Isostearate EX (manufactured by Higher Alcohol Industry Co., Ltd.) *4: Succinic acid (manufactured by Nippon Shokubai Co., Ltd.) *5:18 MEA-SO (manufactured by Croda) *6: Glycylglycine (manufactured by Yoneyama Pharmaceutical Co., Ltd.) *7: Softanol 90 (manufactured by Nippon Shokubai Co., Ltd.) *8: Neolon PH 100 (manufactured by Lanxess Co., Ltd.) *9: Benzyl alcohol (manufactured by Lanxess Co., Ltd.) *10: Refined jojoba oil (manufactured by Koei Kogyo Co., Ltd.) *11: NIKKOL Sugar Squalane (manufactured by Nikko Chemicals Co., Ltd.)

Claims

1. The shear viscosity η obtained by the following method, comprising the following components (A) to (D): ０．１ Shear viscosity η ０．０１ The ratio (η ０．０１ / η ０．１ A hair cosmetic product in which the ratio is 0.1 or more and 2 or less. (A) Hydrophobic modified polyether urethane (B) Cationic surfactants (C) Polyether-modified silicone (D) Polyhydric alcohols [method] Using a rheometer and a cone plate (50 mm diameter, 1° angle) as a fixture, the viscosity of hair cosmetic products at 30°C was measured in the range of shear rates from 0.01 to 1000 [1 / s], and the shear viscosity η at a shear rate of 0.01 [1 / s] was determined. ０．０１ Shear viscosity η when [Pa·s] and shear rate is 0.1 [1 / s] ０．１ Find [Pa・s].

2. The hair cosmetic composition according to claim 1, further comprising the following ingredient (E). (E) Polyalkylene oxide derivatives

3. The hair cosmetic according to claim 1 or 2, wherein the hair cosmetic is a leave-in treatment.

4. The hair cosmetic composition according to claim 1 or 2, wherein the content of component (A) is 0.3% by mass or more and 5% by mass or less when the entire hair cosmetic composition is considered to be 100% by mass.

5. The hair cosmetic composition according to claim 1 or 2, wherein the content of component (C) is 0.005% by mass or more and 5% by mass or less when the total hair cosmetic composition is considered to be 100% by mass.

6. The hair cosmetic according to claim 1 or 2, wherein the mass ratio ((C) / (A)) of the content of component (C) to the content of component (A) in the hair cosmetic is 0.005 or more and 10 or less.

7. The hair cosmetic composition according to claim 1 or 2, wherein component (A) comprises (PEG-240 / decyltetradeceth-20 / HDI) copolymer.

8. A hair conditioning method comprising the step of applying the hair cosmetic according to claim 1 or 2 to the hair using at least one selected from the group consisting of hands, fingers, and an applicator.

9. A hair cosmetic kit comprising the hair cosmetic composition according to claim 1 or 2 and an applicator.

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