Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
  • A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/86—Polyethers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/02—Preparations for cleaning the hair

Definitions

• the present invention relates to an aqueous hair cleanser.
• a strong acid anionic surfactant having the same charge as the hair and scalp as the main cleaning agent, and to further enhance foaming and detergency.
• co-active agents such as nonionic surfactants and amphoteric surfactants are blended.
• fatty acid monoethanolamide is used as a nonionic surfactant
• fatty acid amide propyl betaine is used as an amphoteric surfactant most commonly in aqueous hair cleansing agents.
• Patent Documents 1 to 3 disclose a technique in which a monoacid glyceryl ether or polyoxypropylene octyl ether is used as a nonionic surfactant in combination with a strong acid anionic surfactant. Has been.
• the present invention relates to an aqueous hair cleansing agent that sufficiently foams and exhibits high detergency even under conditions where there are sebum and a styling agent.
• the inventor of the present invention uses a polyoxypropylene alkyl ether, a monoalkyl glyceryl ether, a mono-alkyl glyceryl ether, or a mono-alkyl glyceryl ether as an auxiliary active agent in an aqueous hair cleansing agent containing a sulfate-type anionic surfactant of alkyl sulfate or alkyl ether sulfate as a main cleaning component. It has been found that an aqueous hair cleanser having excellent foaming and detergency can be obtained only by mixing alkenyl glyceryl ether and alkylhydroxysulfobetaine at a specific ratio even under conditions where there is a large amount of sebum.
• a sulfate-type anionic surfactant represented by the following general formula (1) R 1 O (CH 2 CH 2 O) n SO 3 M (1)
• R 1 represents an alkyl or alkenyl group having 10 to 18 carbon atoms
• M represents an alkali metal, alkaline earth metal, ammonium, alkanolamine or basic amino acid
• n represents a mass.
• an aqueous hair cleanser that is foamed even under conditions such as sebum and has excellent detergency.
• the aqueous hair cleansing agent of the present invention comprises the following components (A), (B), (C), and (D): (A) 1-30% by mass of a sulfate-type anionic surfactant represented by the following general formula (1) R 1 O (CH 2 CH 2 O) n SO 3 M (1)
• R 1 represents an alkyl or alkenyl group having 10 to 18 carbon atoms
• M represents an alkali metal, alkaline earth metal, ammonium, alkanolamine or basic amino acid
• n represents a mass.
• the component (A) is an alkyl sulfate or alkyl ether sulfate sulfate type anionic surfactant represented by the general formula (1).
• R 1 O (CH 2 CH 2 O) n SO 3 M (1)
• R 1 represents an alkyl or alkenyl group having 10 to 18 carbon atoms
• M represents an alkali metal, alkaline earth metal, ammonium, alkanolamine or basic amino acid
• n represents a mass. (The average number is 0 to 5.)
• R 1 in the general formula (1) represents an alkyl group having 12 to 14 carbon atoms, and n represents a number of 1 to 2 on a mass average basis.
• Polyoxyethylene alkyl ether sulfates in which M is ammonium or sodium are preferred.
• Component (A) may be used singly or in combination of two or more, and the content thereof is the amount of foaming (amount) and the viscosity of the aqueous hair cleansing agent. It is 1 to 30% by mass in the agent, preferably 5 to 25% by mass, more preferably 8 to 20% by mass, and particularly preferably 9 to 15% by mass.
• the component (B) is a polyoxypropylene alkyl ether type nonionic surfactant represented by the general formula (2).
• R 2 O (CH 2 CH (CH 3 ) O) m H (2)
• R 2 represents a linear or branched alkyl group or alkenyl group having 8 to 10 carbon atoms, and m represents a number of 0.5 to 4 on a mass average basis.
• R 2 in the general formula (2) is an alkyl group having 8 carbon atoms, and m is 2 in terms of mass average.
• Polyoxypropylene octyl ether showing a number of ⁇ 3 is preferred.
• Component (B) may be used singly or in combination of two or more, and the content thereof is foam (amount) and smoothness at the time of rinsing, the aqueous hair cleansing agent of the present invention
• the content is 0.1 to 10% by mass, preferably 0.2 to 5% by mass, more preferably 0.3 to 2% by mass, and particularly preferably 0.5 to 1.5% by mass.
• component (C) is a monoalkyl glyceryl ether or monoalkenyl glyceryl ether type nonionic surfactant having an alkyl group or alkenyl group having 4 to 12 carbon atoms.
• the alkyl group or alkenyl group is preferably a linear or branched alkyl group having 4 to 10 carbon atoms, particularly a linear or branched alkyl group having 8 to 10 carbon atoms.
• Groups are preferred. Specifically, n-butyl group, isobutyl group, n-pentyl group, 2-methylbutyl group, isopentyl group, n-hexyl group, isohexyl group, n-heptyl group, n-octyl group, 2-ethylhexyl group, n -Decyl group, isodecyl group and the like.
• a branched alkyl group is preferable, and a 2-ethylhexyl group and an isodecyl group are particularly preferable.
• Component (C) may be used singly or in combination of two or more, and the content thereof is 0.1 to from the point of foaming and detergency in the aqueous hair cleanser of the present invention. 5 mass%, preferably 0.2 to 3 mass%, particularly preferably 0.3 to 1.5 mass%.
• the component (D) is an alkylhydroxysulfobetaine type amphoteric surfactant represented by the following general formula (3).
• R 3 represents an alkyl group having 10 to 14 carbon atoms.
• R 3 in the above general formula (3) is preferably an alkyl group having 12 to 14 carbon atoms from the viewpoints of foaming in the presence of dirt such as sebum, detergency, and viscosity of the aqueous hair cleanser.
• Component (D) may be used singly or in combination of two or more, and the content thereof is foaming, detergency under conditions with dirt such as sebum, viscosity of aqueous hair cleanser From the viewpoint, it is 0.1 to 10% by mass, preferably 0.3 to 5% by mass, and particularly preferably 0.5 to 3% by mass in the aqueous hair cleansing agent of the present invention.
• the anionic group is a strong acid sulfonic acid group in the component (D), which is an amphoteric surfactant used in the present invention
• the anionic group is dissociated even when the pH is 4 or less. Therefore, it has the property as an amphoteric surfactant without being influenced by pH, and can have high foaming and detergency even under conditions where there is sebum dirt regardless of pH.
• the aqueous hair cleansing agent of the present invention can obtain higher foaming and detergency by combining the above components (A) to (D) in a specific ratio, and at the same time, it is possible to obtain hair foaming and rinsing. Smooth, soft and coherent hair is obtained with reduced friction and smoothness even after drying.
• the aqueous hair cleansing agent of the present invention may further contain (E) an organic carboxylic acid or a salt thereof for further improving the smoothness and unity after drying.
• dicarboxylic acid which may have a hydroxy group
• hydroxymonocarboxylic acid examples include malonic acid, succinic acid, glutaric acid, adipic acid, maleic acid, fumaric acid, phthalic acid, oxalic acid, malic acid, tartaric acid, and the like.
• the monocarboxylic acid examples include glycolic acid, lactic acid, hydroxyacrylic acid, oxybutyric acid, and glyceric acid. Of these, glycolic acid, lactic acid, malonic acid, maleic acid, and malic acid are preferable. In particular, lactic acid and malic acid are preferable.
• the salts of these organic carboxylic acids include salts with alkali metals, alkaline earth metals, ammonia, and organic amine compounds.
• the organic carboxylic acid or salt thereof may be used alone or in combination of two or more, and its content is higher than the amount used for the purpose of simply adjusting the pH, and the hair after drying From the viewpoint of giving smoothness and unity, the content is preferably 0.1 to 5% by mass, more preferably 0.2 to 3% by mass, and particularly preferably 0.5 to 2% by mass in the aqueous hair cleanser.
• the aqueous hair cleansing agent of the present invention preferably has a pH of 1 to 5 at 25 ° C. when diluted 20 times with water, in order to maximize the smoothness and unity of the organic carboxylic acid on the hair.
• pH 2 to 4.5 is preferable, and pH 3 to 4 is particularly preferable.
• amphoteric surfactants may be included.
• sulfuric acid type, sulfonic acid type and carboxylic acid type can be used.
• examples include sulfosuccinic acid alkylene alkyl phenyl ether sulfates, sulfosuccinic acid alkyl ester salts, polyoxyalkylene sulfosuccinic acid alkyl ester salts, alkane sulfonates, higher fatty acid salts, alkyl ether carboxylic acids or salts thereof, among them alkyl ethers.
• the carboxylic acid or a salt thereof is preferable from the viewpoint of low irritation and smoothness during rinsing, and an alkyl ether carboxylic acid having an alkyl group having 12 to 14 carbon atoms or a salt thereof is particularly preferable.
• Nonionic surfactants other than components (B) and (C) include polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene sorbit fatty acid esters, polyoxyalkylene glycerin fatty acid esters, polyoxyalkylene fatty acid esters, poly Oxyalkylene alkyl ethers, polyoxyalkylene alkyl phenyl ethers, polyoxyalkylene (cured) castor oils, sucrose fatty acid esters, polyglycerin alkyl ethers, polyglycerin fatty acid esters, fatty acid alkanolamides, alkyl glycosides Etc.
• polyoxyalkylene sorbitan fatty acid esters such as polyoxyethylene sorbitan fatty acid esters, polyoxyalkylene fatty acid esters such as polyoxyalkylene (C 8 -C 20 ) fatty acid esters, polyoxyethylene rallyl ether and other polyoxyethylene
• Polyoxyalkylene (cured) castor oils such as oxyethylene alkyl ether and polyoxyethylene hydrogenated castor oil, and alkyl glycosides are preferred from the viewpoint of foaming (foam amount).
• polyoxyethylene alkyl ether having an alkyl group having 12 to 18 carbon atoms is preferable.
• Fatty acid alkanolamides are also suitable, which may be either monoalkanolamides or dialkanolamides, and those having an acyl group having 8 to 18 carbon atoms, especially 10 to 16 carbon atoms, are from the viewpoint of foaming (bubble amount).
• those having a hydroxyalkyl group having 2 to 3 carbon atoms are preferable, for example, oleic acid diethanolamide, palm kernel oil fatty acid diethanolamide, coconut oil fatty acid diethanolamide, lauric acid diethanolamide, polyoxyethylene coconut oil fatty acid monoethanolamide.
• amphoteric surfactants other than component (D) include betaine surfactants.
• alkyldimethylaminoacetic acid betaine or fatty acid amidopropyl betaine is preferred from the viewpoint of foaming (foam amount) and viscosity, and fatty acid amidopropyl betaine is particularly preferred.
• the fatty acid amidopropyl betaine preferably has an acyl group having 8 to 18 carbon atoms, particularly 10 to 16 carbon atoms, and in particular, lauric acid amidopropyl betaine, palm kernel oil fatty acid amidopropyl betaine, coconut oil fatty acid amidopropyl betaine and the like. preferable.
• the blending amount is preferably not more than the blending amount of the component (D), more preferably not more than 0.5% by weight, particularly the component (D ) Is preferably 1/3 or less in mass ratio.
• Surfactants other than (A), (B), (C), and (D) can be used alone or in combination of two or more in the aqueous hair cleanser, but the aqueous hair cleanser of the present invention.
• the use of fatty acid amidopropyl betaine and fatty acid alkanolamide together with components (A), (B), (C), and (D) This is particularly preferable since a smooth feeling during use can be obtained.
• the surfactant content other than (A), (B), (C), and (D) is 0.01 to 10% by mass in the aqueous hair cleanser of the present invention, and a good foam increasing effect is obtained. It is preferable. In view of the above, the range of 0.1 to 8% by mass, particularly 0.2 to 4% by mass, and particularly 0.5 to 1.5% by mass is preferable.
• a cationic surfactant in the aqueous hair cleansing agent of the present invention, can be further blended in order to improve the finish after fingering and after drying.
• cationic surfactant examples include alkyl trimethyl ammonium salts, alkoxy trimethyl ammonium salts, dialkyl dimethyl ammonium salts, alkyl dimethyl amine salts, alkoxy dimethyl amine salts, alkyl amide dimethyl amine salts, and the like.
• (I) Alkyltrimethylammonium salt For example, what is represented by the following general formula is mentioned. R 11 -N + (Me) 3 X - (4) (In the general formula (4), R 11 represents an alkyl group having 12 to 22 carbon atoms, Me represents a methyl group, and X represents halogen (chlorine or bromine).) Specific examples include cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, and behenyltrimethylammonium chloride.
• Alkoxytrimethylammonium salt examples include those represented by the following general formula.
• R 12 represents an alkyl group having 12 to 22 carbon atoms
• R 13 represents an ethylene group or a propylene group
• Me represents a methyl group
• X represents a halogen (chlorine or bromine).
• Specific examples include stearoxypropyltrimethylammonium chloride, stearoxyethyltrimethylammonium chloride, stearoxyhydroxypropyltrimethylammonium chloride, and the like.
• Dialkyldimethylammonium salt For example, what is represented by the following general formula is mentioned.
• R 14 2 -N + (Me) 2 X - (6) (In the general formula (6), R 14 represents an alkyl group having 12 to 22 carbon atoms or a benzyl group, Me represents a methyl group, and X represents a halogen (chlorine or bromine).) Specifically, distearyl dimethyl ammonium chloride etc. are mentioned.
• R 15 —N (Me) 2 (7) (In the general formula (7), R 15 represents an alkyl group having 12 to 22 carbon atoms, and Me represents a methyl group.) Specific examples include organic acid salts of behenyl dimethylamine and stearyl dimethylamine.
• R 16 —O—R 17 —N (Me) 2 (In the general formula (8), R 16 represents an alkyl group having 12 to 22 carbon atoms, R 17 represents an ethylene group or a propylene group, and Me represents a methyl group.)
• Alkylamidodimethylamine salt examples include those represented by the following general formula.
• R 18 represents an alkyl group having 11 to 21 carbon atoms
• R 19 represents an ethylene group or a propylene group
• Me represents a methyl group.
• Examples of cationic surfactants other than the above (i) to (vi) include ethyl sulfate lanolin fatty acid aminopropylethyldimethylammonium (ethyl sulfate of alkanoylaminopropyldimethylethylammonium, alkanoyl group derived from lanolin), ethyl sulfate lanolin fatty acid amino Ethyl triethyl ammonium, ethyl lanolin sulfate fatty acid aminopropyl triethyl ammonium, methyl sulfate lanolin fatty acid aminoethyl trimethyl ammonium, methyl sulfate lanolin fatty acid aminopropyl ethyl trimethyl ammonium, methyl sulfate lanolin fatty acid aminopropyl ethyl dimethyl ammonium, ethyl sulfate isoalkanoic acid (C 14
• Two or more kinds of cationic surfactants may be used in combination, and from the viewpoint of smoothness from the time of shampooing to the time of rinsing, the content thereof is 0.01 to 10% by mass in the aqueous hair detergent of the present invention. More preferably, it is 0.05 to 5% by mass, particularly 0.1 to 2% by mass.
• cationized polymer cationized cellulose derivatives, cationic starch, cationized fenugreek gum derivatives, cationized guar gum derivatives, cationized tara gum derivatives, cationized locust bean gum derivatives, cationized cassia derivatives, cationized xanthan gum derivatives , Diallyl quaternary ammonium salt / acrylamide copolymer, vinyl imidazolium trichloride / vinyl pyrrolidone copolymer, hydroxyethyl cellulose / dimethyl diallylammonium chloride copolymer, vinyl pyrrolidone / quaternized dimethylaminoethyl methacrylate copolymer, polyvinyl Pyrrolidone / alkylaminoacrylate copolymer, polyvinylpyrrolidone / alkylaminoacrylate / vinylcaprolactam
• cationized cellulose derivatives cationized cellulose derivatives, cationized fenugreek gum derivatives, cationized guar gum derivatives, and cationized tara gum Derivatives, cationized locust bean gum derivatives, diallyl quaternary ammonium salts / acrylamide copolymers are preferred. Particularly preferred are cationized cellulose derivatives and cationized guar gum derivatives.
• Marquat 550 (NALCO, copolymer of acrylamide and diallyldimethylammonium salt; CTFA name polyquaternium-7), Rubiquat FC370 (BASF, 1-vinyl-2-pyrrolidone and 1-vinyl-3- Copolymer of methylimidazolium salt; CTFA name polyquaternium-16), Gafquat 755N (ISP, copolymer of 1-vinyl-2-pyrrolidone and dimethylaminoethyl methacrylate; CTFA name polyquaternium-11), Ucare polymer JR and the same LR series (Amercor, salt of reaction product of trimethylammonium substituted epoxide and hydroxyethyl cellulose; CTFA name polyquaternium-10), Poise C-60H, Poise C-80M, Poise C-150 (Kao Corporation, salt of reaction product of trimethylammonium substituted epoxide and hydroxyethyl cellulose; CTFA
• These cationized polymers may be used in combination of two or more, and from the viewpoint of smoothness from the time of shampooing to the time of rinsing, the content thereof is 0.01 to 3% by mass in the aqueous hair cleaning agent of the present invention. Further, 0.05 to 2% by mass, particularly 0.1 to 1% by mass is preferable.
• silicones examples include the following.
• Dimethylpolysiloxane examples include those represented by the following general formula. (Me) 3 Si — [(Me) 2 SiO] d —Si (Me) 3 (10) (In the general formula (10), Me represents a methyl group, and d represents a number of 3 to 2 ⁇ 10 4. )
• Dimethylpolysiloxane is present as dispersed particles in the aqueous hair cleanser, but the average particle size of the dispersed particles is preferably 0.1 to 100 ⁇ m from the viewpoint of the finish after drying and the storage stability of the aqueous hair cleanser, More preferably, it is 0.1 to 30 ⁇ m or less, particularly 0.1 to 4 ⁇ m or less, and further preferably 0.1 to 2 ⁇ m or less.
• the average particle diameter of the polydimethylsiloxane emulsion is a median diameter measured by a laser light scattering method, and is measured by a particle diameter measuring apparatus using a general laser light scattering, for example, using LS-130 manufactured by Coulter. Can do.
• dimethylpolysiloxane examples include, for example, Toray Dow Corning, which contains 60% by mass of dimethylpolysiloxane oil having a d of 300 to 6,500 in the general formula (10) and an average particle diameter of 0.8 ⁇ m.
• Silicone CF2450 manufactured by Silicone Co., Ltd.
• Silicone CF2460 manufactured by Toray Dow Corning Silicone Co., which contains 75% by mass of dimethylpolysiloxane oil having a d of 300 to 6,500 and an average particle size of 20 ⁇ m, is commercially available. Things can be used.
• Such dimethylpolysiloxane is preferably contained in the aqueous hair cleansing agent of the present invention in an amount of 0.01 to 10% by mass from the viewpoint of improving foam feel during hair washing, feel after drying, and gloss. 0.05 to 6% by mass, particularly 0.3 to 3% by mass, especially 0.5 to 2% by mass is preferable.
• Amino-modified silicone A variety of amino-modified silicones can be used, but in particular, in the name of Amodimethicone with a mean molecular weight of about 3 ⁇ 10 3 to 1 ⁇ 10 5 Plate, 2002, volume 1, p107 are preferred.
• Commercially available products include SM 8704C (Toray Dow Corning Silicone), DC 929 (Dow Corning), KT 1989 (GE Toshiba Silicone), 8500 Conditioning Agent, DOW CORNING TORAY SS-3588, DOW CORNING TRAY SILY 104 (Toray Dow Corning Silicone).
• silicones Besides the above, polyether-modified silicone, methylphenylpolysiloxane, fatty acid-modified silicone, alcohol-modified silicone, alkoxy-modified silicone, epoxy-modified silicone, fluorine-modified silicone, cyclic silicone, alkyl-modified silicone and the like It is done.
• amino-modified silicones and other silicones may be used in combination of two or more.
• the content thereof is 0.01% in the aqueous hair cleansing agent of the present invention. Is preferably 5 to 5% by mass, more preferably 0.05 to 2% by mass, and particularly preferably 0.1 to 1% by mass.
• the aqueous hair cleansing agent of the present invention may further contain a pearling agent containing ethylene glycol monofatty acid ester, ethylene glycol difatty acid ester, ethylene glycol monoalkyl ether or ethylene glycol dialkyl ether.
• Examples of the ethylene glycol monofatty acid ester include ethylene glycol monostearate and ethylene glycol monobehenate, and examples of the ethylene glycol difatty acid ester include ethylene glycol distearate and ethylene glycol dibehenate.
• Examples of the ethylene glycol monoalkyl ether include ethylene glycol monostearyl ether, and examples of the ethylene glycol dialkyl ether include ethylene glycol distearyl ether. Of these, ethylene glycol distearate is preferred from the viewpoint of pearl appearance.
• the content thereof improves the storage stability of the aqueous hair cleanser, improves the smoothness during foaming and rinsing, and improves the stability of the aqueous hair cleanser. Therefore, the content is preferably 0.1 to 10% by mass, more preferably 0.5 to 5% by mass, and particularly preferably 1 to 4% by mass in the aqueous hair cleansing agent of the present invention.
• the aqueous hair cleansing agent of the present invention can contain an oil agent as another conditioning agent.
• Oils include hydrocarbons such as squalene, squalane, liquid paraffin, liquid isoparaffin, cycloparaffin; glycerides such as castor oil, cacao oil, mink oil, avocado oil, olive oil, sunflower oil, coconut oil; beeswax, whale wax, Waxes such as lanolin and carnauba wax; alcohols such as cetyl alcohol, oleyl alcohol, stearyl alcohol, isostearyl alcohol, 2-octyldodecanol, glycerin, myristyl alcohol, behenyl alcohol, cetostearyl alcohol; isopropyl palmitate, isopropyl myristate, Octyldodecyl myristate, hexyl laurate, cetyl lactate, propylene glycol monostearate, oleyl oleate, hexadecy
• higher fatty acids, higher alcohols, and glycerides are preferable, and lauric acid, myristyl alcohol, cetyl alcohol, stearyl alcohol, sunflower oil, and coconut oil are particularly preferable.
• These oil agents can be used alone or in combination of two or more, and the content thereof is preferably 0.1 to 2% by mass in the aqueous hair cleansing agent of the present invention, and more preferably 0.2 to 1%. 0.5% by mass, particularly 0.3 to 1.0% by mass is preferable.
• the aqueous hair cleansing agent of the present invention may contain a viscosity modifier, and as the viscosity modifier, hydroxyethyl cellulose, methyl cellulose, polyethylene glycol, polypropylene glycol, ethylene glycol, propylene glycol, isoprene glycol, ethanol, benzyl alcohol Benzyloxyethanol, phenoxyethanol, clay minerals, salts (sodium chloride, ammonium chloride, sodium citrate, etc.), among which benzyl alcohol, ethanol, polypropylene glycol, sodium chloride, and sodium citrate are preferred.
• a viscosity modifier hydroxyethyl cellulose, methyl cellulose, polyethylene glycol, polypropylene glycol, ethylene glycol, propylene glycol, isoprene glycol, ethanol, benzyl alcohol Benzyloxyethanol, phenoxyethanol, clay minerals, salts (sodium chloride, ammonium chloride, sodium citrate, etc.), among which benzy
• Two or more viscosity modifiers may be used in combination, and the amount used is preferably 0.01 to 5% by mass in the aqueous hair cleansing agent of the present invention in terms of the amount of foam and foam quality, and more preferably 0. 0.05 to 4% by mass, particularly 0.1 to 3% by mass is preferable.
• the aqueous hair cleansing agent of the present invention can be appropriately blended with components used in ordinary aqueous hair cleansing agents depending on the purpose.
• Such ingredients include, for example, preservatives; chelating agents; moisturizers such as sorbitol and panthenol; colorants such as dyes and pigments; polar solvent extracts of eucalyptus, shells or nacres with nacre, Its hydrolyzate, 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, Extracts such as moon peach leaf extract, chlorella extract; pearlizing agent such as titanium oxide; fragrance; dye; ultraviolet absorber; antioxidant; other ENCYCLOPEDIA OF SHAMPOO INGREDIENTS (Hunting, Anthony LL, 983 Issued, components and the like that are described in MICELLE PRESS)).
• the form of the aqueous hair cleansing agent of the present invention can be selected as appropriate, such as liquid or gel, but is preferably liquid using water or lower alcohol, particularly water as a solvent.
• aqueous hair cleansing agents shown in Table 1 were prepared by a conventional method and evaluated by the following evaluation methods. The results are shown in Table 1.
• pH is a value in 25 degreeC at the time of diluting 20 mass times with water.
• model sebum colored with carbon black (S-lanolin 50% by mass, L-lanoline 45% by mass, oleic acid 5%, carbon black 0.1% by mass) is spread evenly inside the circle marked on the upper arm, The measurement was again performed using a color difference meter (L 1 , a 1 , b 1 ). Subsequently, 0.1 g of an aqueous hair detergent diluted to 10% by weight was applied to the upper arm, massaged for 30 seconds, rinsed with warm water of 40 degrees for 30 seconds, wiped off moisture, and then measured with a color difference meter. It was carried out (L 2, a 2, b 2).
• the detergency (%) was calculated by the following formula using the value measured by the color difference meter.
• An average of 4.0 or more is indicated by “ ⁇ ”, a value of 3.2 or more and less than 4.0 is indicated by “ ⁇ ”, a value of 2.5 or more and less than 3.2 is indicated by “ ⁇ ”, and a value of less than 2.5 is indicated by “x”.
• compositions of the examples are excellent in foaming and detergency even in the presence of sebum dirt, excellent in smoothness during foaming and rinsing, and excellent in smoothness, softness and unity after drying. I understood that it was.

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