WO2021084952A1 - 酸化染毛剤 - Google Patents

酸化染毛剤 Download PDF

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Publication number
WO2021084952A1
WO2021084952A1 PCT/JP2020/035163 JP2020035163W WO2021084952A1 WO 2021084952 A1 WO2021084952 A1 WO 2021084952A1 JP 2020035163 W JP2020035163 W JP 2020035163W WO 2021084952 A1 WO2021084952 A1 WO 2021084952A1
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Prior art keywords
agent
dye
hair
mass
content
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PCT/JP2020/035163
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English (en)
French (fr)
Japanese (ja)
Inventor
圭実 伊藤
誠 唐渡
基 酒井
貴子 小谷
裕子 篠田
春佳 山田
朋也 園田
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ホーユー株式会社
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Priority to CN202080075885.5A priority Critical patent/CN114667131A/zh
Priority to JP2021554162A priority patent/JPWO2021084952A1/ja
Publication of WO2021084952A1 publication Critical patent/WO2021084952A1/ja

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    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/20—Halogens; Compounds 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
    • A61K8/41—Amines
    • 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
    • A61Q5/10—Preparations for permanently dyeing the hair

Definitions

  • the present invention relates to an oxidative hair dye containing a coupler.
  • an oxidative hair dye composed of a first agent containing an alkaline agent and an oxidative dye and a second agent containing an oxidant, for example, hydrogen peroxide is known.
  • the alkaline agent promotes the action of the oxidizing agent contained in the second agent and swells the hair to improve the permeability of the dye to the hair.
  • the oxidant decomposes the melanin pigment in the hair and forms an oxidative dye polymer inside the hair.
  • the hair cuticle closes and the oxidative dye polymer is encapsulated inside the hair.
  • the decontamination performance is low.
  • the decontamination is performed once. It was necessary to decontaminate with an agent. Furthermore, there were cases where a single decontamination treatment was not sufficient for decontamination.
  • an oxidative hair dye used for decomposing a dark-colored oxidative dye polymer inside hair without de-staining with a de-staining agent and re-staining (recoloring) the hair to a clear bright color has been used.
  • the oxidative hair dye disclosed in Patent Document 1 improves the recoloring performance by containing a diamine-based dye intermediate or the like as the main component of the dye.
  • An object of the present invention is to provide an oxidative hair dye capable of improving decontamination performance and recoloring performance while maintaining hair dyeing performance.
  • the dye intermediate is not substantially contained as the oxidation dye and only the coupler is contained, or the coupler is contained in a predetermined amount with respect to all the dye intermediates to remove the hair while maintaining the hair dyeing performance. It is based on the finding that the dyeing performance can be improved.
  • the oxidative hair dye according to one aspect of the present invention is an oxidative hair dye containing (A) a coupler, and the oxidative hair dye contains (C) a dye intermediate.
  • the mass ratio (A / C) of the content of the component (A) to the content of the total (C) dye intermediate is 2.5 or more.
  • the oxidative hair dye may contain (B) an alkaline agent.
  • the oxidative hair dye may contain (D) an iodine compound.
  • the (B) alkaline agent may contain at least one selected from (B1) carbamic acid ion, carbonate ion, and hydrogen carbonate ion.
  • the decontamination performance can be improved and the recoloring performance can be improved while maintaining the hair dyeing performance.
  • the oxidative hair dye of the first embodiment is configured as a multi-agent oxidative hair dye, for example, a two-agent oxidative hair dye having a coupler (A) and a second agent containing an oxidant.
  • a multi-agent oxidative hair dye for example, a two-agent oxidative hair dye having a coupler (A) and a second agent containing an oxidant.
  • the components of the two-agent oxidative hair dye will be illustrated.
  • a solubilizer such as water
  • the value of mass% indicating the content of the component is a value in the dosage form including them.
  • the first agent of a two-agent oxidative hair dye is (A) coupler, (B) alkaline agent, (D) iodine compound, (E) oily component, (F) polyhydric alcohol, and / or (G) surfactant.
  • the agent may be contained.
  • Oxidation dyes are classified into (A) couplers and (C) dye intermediates.
  • color is developed by polymerizing dye intermediates or a dye intermediate and a coupler. In the present invention, it has been found that color can be developed even when (C) the dye intermediate is substantially not contained or the total dye intermediate is not more than a predetermined ratio with respect to the (A) coupler.
  • coupler (A) examples include resorcin, 5-amino-o-cresol, m-aminophenol, ⁇ -naphthol (1-naphthol), 5- (2-hydroxyethylamino) -2-methylphenol, and the like.
  • the salt include, for example, hydrochloride, sulfate and the like.
  • One kind of component (A) may be used alone, or two or more kinds of component (A) may be used in combination.
  • the coupler (A) preferably 2,4-diaminophenoxyethanol, 2,6-diaminopyridine, 5- (2-hydroxyethylamino) -2-methylphenol, 1-naphthol, 5-amino-o-cresol, 1,5-Dihydroxynaphthalene, m-aminophenol, and salts thereof can be used.
  • the lower limit of the content of the coupler (A) in the mixture of the first agent and the second agent, that is, the oxidative hair dye during the hair dyeing treatment applied to the hair is appropriately set, but is preferably 0.5 mass by mass. % Or more, more preferably 0.6% by mass or more, still more preferably 0.7% by mass or more.
  • the content of the coupler (A) is 0.5% by mass or more, the hair dyeing power can be further improved.
  • the upper limit of the content of the coupler (A) in the mixture is appropriately set, but is preferably 10% by mass or less, more preferably 7% by mass or less, still more preferably 5% by mass or less, and most preferably 3.5% by mass. % Or less.
  • the content of the coupler (A) is 10% by mass or less, the decontamination performance can be further improved, and when a solubilizer is used, the solubility in the solubilizer can be improved.
  • the coupler (A) is a salt
  • the content of the coupler (A) is the value in the desalted form.
  • the first agent of the oxidative hair dye does not prevent the inclusion of the (C) dye intermediate if necessary.
  • Specific examples of the dye intermediate (C) include p-phenylenediamine, p-toluylenediamine (toluene-2,5-diamine), N-phenyl-p-phenylenediamine, 4,4'-diaminodiphenylamine, and the like.
  • p-aminophenol o-aminophenol, p-methylaminophenol, N, N-bis (2-hydroxyethyl) -p-phenylenediamine, 2-hydroxyethyl-p-phenylenediamine, o-chlor-p-phenylene
  • examples thereof include diamine, 4-amino-m-cresol, 2-amino-4-hydroxyethylaminoanisole, 1-hydroxyethyl-4,5-diaminopyrazole, and salts thereof.
  • Specific examples of the salt include, for example, hydrochloride, sulfate and the like.
  • One kind of component (C) may be used alone, or two or more kinds of component (C) may be used in combination.
  • the first agent may appropriately contain, for example, an oxidation dye listed in "Quasi-drug Raw Material Standards" (published in June 2006, Yakuji Nippo Co., Ltd.) as a dye other than the specific example of the oxidation dye.
  • the mass ratio (A / C) of the content of the (A) coupler to the content of the total (C) dye intermediate is 2.5 or more, preferably 5.0 or more, more preferably 7.5. The above is more preferably 10 or more.
  • the mass ratio (A / C) is 2.5 or more, the decontamination performance can be improved.
  • the coupler (A) and the dye intermediate (C) are salts, the content used for calculating the mass ratio is the value in the desalted form for both (A) and (C).
  • the upper limit of the content of the dye intermediate (C) in the mixture is appropriately set within the range of the mass ratio (A / C) of the above content, but is preferably 1% by mass or less, more preferably 0.5. It is by mass or less, more preferably 0.2% by mass or less, and particularly preferably the mixture is substantially free of the (C) dye intermediate. In the present invention, “substantially free” means that the content is 0.1% by mass or less.
  • the content of the dye intermediate (C) is 1% by mass or less, the decontamination performance can be further improved, and when a solubilizer is used, the solubility in the solubilizer can be improved.
  • the (C) dye intermediate is a salt, the content of the (C) dye intermediate is the value in the desalted form.
  • the first agent may contain (B) an alkaline agent.
  • the alkaline agent acts to improve the hair dyeing power by promoting the action of the oxidizing agent contained in the second agent.
  • the alkaline agent include ammonia, alkanolamine, silicate, carbonate, hydrogencarbonate, carbamate, metasilicate, sulfate, chloride, phosphate, organic amine, basic amino acid and the like. ..
  • Specific examples of the alkanolamine include monoethanolamine, triethanolamine and the like.
  • Specific examples of the silicate include sodium silicate, potassium silicate, calcium silicate and the like.
  • Specific examples of the carbonate include sodium carbonate, ammonium carbonate, magnesium carbonate and the like.
  • hydrogen carbonate examples include sodium hydrogen carbonate, ammonium hydrogen carbonate and the like.
  • carbamate include ammonium carbamate and the like.
  • metasilicate examples include sodium metasilicate, potassium metasilicate and the like.
  • sulfate examples include ammonium sulfate and the like.
  • chlorides include ammonium chloride and the like.
  • phosphate examples include ammonium dihydrogen phosphate, diammonium hydrogen phosphate and the like.
  • organic amine examples include 2-amino-2-methyl-1-propanol (AMP), 2-amino-2-methyl-1,3-propanediol, guanidine and the like.
  • component (B) may be used alone, or two or more kinds of component (B) may be used in combination.
  • carbonates, bicarbonates, carbamates, ammonia, ammonium salts, and alkanolamines are preferably applied from the viewpoint of improving hair dyeing ability.
  • the (B) alkaline agent may be contained as at least one selected from (B1) carbamic acid ion, carbonate ion, and hydrogen carbonate ion from the viewpoint of improving hair dyeing ability.
  • the content of the (B) alkaline agent in the mixture is preferably such that the lower limit of the pH of the mixture is 7 or more, and more preferably 9 or more.
  • the content of the alkaline agent (B) is preferably such that the upper limit of the pH of the mixture is 12 or less.
  • the upper limit of the content of the (B) alkaline agent in the mixture is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less.
  • the lower limit of the content of the (B) alkaline agent in the mixture is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, still more preferably 0.5% by mass or more.
  • the (D) iodine compound contained in the first agent improves the hair dyeing power by decomposing hydrogen peroxide by iodine constituting the iodine compound and promoting the polymerization of the oxidative dye.
  • the effect of improving the hair dyeing power of the iodine compound (D) is more strongly exhibited when the amount of the dye intermediate (C) is small or not.
  • the iodine compound (D) include iodine (I), iodide with a counterion liberated in a solubilizer, and a compound that liberates iodine during use.
  • iodide examples include alkali metal salts of iodide such as potassium iodide, sodium iodide, lithium iodide and ammonium iodide, hydrogen iodide, cesium iodide, silver iodide and the like. Further, a natural material containing iodine, for example, an extract containing iodide such as garlic iodide extract may be applied.
  • component (D) may be used alone, or two or more kinds of component (D) may be used in combination.
  • the lower limit of the content of the (D) iodine compound in the mixture is appropriately set, but is preferably 0.001% by mass or more, more preferably 0.01% by mass or more, still more preferably 0.02% by mass or more. Most preferably, it is 0.05% by mass or more.
  • the content of the iodine compound (D) is 0.001% by mass or more, the hair dyeing power can be further improved.
  • the upper limit of the content of the (D) iodine compound in the mixture is appropriately set, but is preferably 5% by mass or less, more preferably 3% by mass or less, and further preferably 1% by mass or less.
  • the content of the iodine compound (D) is 5% by mass or less, the decontamination performance can be further improved.
  • the lower limit of the mass ratio (D / A) of the content of the (D) iodine compound to the content of the (A) coupler is appropriately set, but is preferably 0.01 or more, more preferably 0. It is 05 or more, more preferably 0.1 or more.
  • the upper limit of the mass ratio (D / A) of the content of the iodine compound (D) to the content of the coupler (A) is appropriately set, but is preferably 1.0 or less, more preferably 0.5 or less, and further. It is preferably 0.25 or less.
  • the mass ratio (D / A) is 1.0 or less, the decontamination performance can be improved.
  • the coupler (A) is a salt
  • the content used for calculating the mass ratio is the value in the desalted type.
  • the first agent of the present invention may further contain (E) an oily component.
  • an oily component When the oily component is contained, the hair dyeing power can be further improved.
  • the oily component (E) include fats and oils, waxes, higher alcohols, hydrocarbons, higher fatty acids, alkyl glyceryl ethers, esters, silicones and the like.
  • fats and oils include Argania spinosa kernel oil, lanolin, olive oil, camellia oil, shea butter, almond oil, saflower oil, sunflower oil, soybean oil, cottonseed oil, sesame oil, corn oil, rapeseed oil, rice bran oil, etc.
  • examples include rice germ oil, grape seed oil, avocado oil, macadamia nut oil, castor oil, palm oil, evening primrose oil and the like.
  • wax include beeswax, candelilla wax, carnauba wax, jojoba oil, lanolin wax and the like.
  • higher alcohols include cetyl alcohol (cetanol), 2-hexyldecanol, stearyl alcohol, isostearyl alcohol, cetostearyl alcohol, oleyl alcohol, araquil alcohol, behenyl alcohol, 2-octyldodecanol, lauryl alcohol, and myristyl alcohol. , Decyltetradecanol, lanolin alcohol and the like.
  • hydrocarbons include paraffin, olefin oligomer, polyisobutene, hydrogenated polyisobutene, mineral oil, squalane, polybutene, polyethylene, microcrystalline wax, petrolatum and the like.
  • Specific examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, isostearic acid, 12-hydroxystearic acid, oleic acid, lanolin fatty acid and the like.
  • alkyl glyceryl ether include batyl alcohol, kimil alcohol, ceracyl alcohol, isostearyl glyceryl ether and the like.
  • ester examples include, for example, diisopropyl adipate, isopropyl myristate, cetyl octanate, isononyl isononanoate, octyldodecyl myristate, isopropyl palmitate, stearyl stearate, myristyl myristate, isotridecyl myristate, 2-ethyl palmitate.
  • cetyl, glyceryl tricaprylate, diisostearyl malate, dioctyl succinate, and cetyl 2-ethylhexanoate examples thereof include cetyl, glyceryl tricaprylate, diisostearyl malate, dioctyl succinate, and cetyl 2-ethylhexanoate.
  • silicone examples include, for example, dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, terminal hydroxyl group-modified dimethylpolysiloxane, highly polymerized silicone, and polyether-modified silicone (for example,). (PEG / PPG / butylene / dimethicone) copolymer), amino-modified silicone, betaine-modified silicone, alkyl-modified silicone, alkoxy-modified silicone, mercapto-modified silicone, carboxy-modified silicone, fluorine-modified silicone and the like.
  • One kind of oily component may be used alone, or two or more kinds of oily component may be used in combination.
  • the first agent of the present invention may further contain (F) a polyhydric alcohol.
  • a polyhydric alcohol When a polyhydric alcohol is contained, the stability of the preparation can be improved.
  • the (F) polyhydric alcohol include glycol, glycerin and the like.
  • the glycol include ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, highly polymerized polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, 1,3-butylene glycol and the like.
  • glycerin include glycerin, diglycerin, polyglycerin and the like.
  • One kind of polyhydric alcohol may be used alone, or two or more kinds of polyhydric alcohols may be used in combination. From the viewpoint of formulation stability, polyethylene glycol is particularly preferable.
  • the first agent of the present invention may further contain a (G) surfactant.
  • a surfactant When (G) a surfactant is contained, the stability of the preparation can be further improved.
  • the (G) surfactant include anionic surfactants, cationic surfactants, amphoteric surfactants, and nonionic surfactants.
  • anionic surfactants include, for example, alkyl ether sulfate, alkyl sulfate, alkyl ether sulfate, alkenyl ether sulfate, alkenyl sulfate, olefin sulfonate, alkane sulfonate, saturated or unsaturated.
  • Fatty acid salt, alkyl or alkenyl ether carboxylate, ⁇ -sulfon fatty acid salt, N-acylamino acid type surfactant, phosphate mono or diester type surfactant, sulfosuccinic acid ester, N-alkylmethyl taurine salt, their Derivatives and the like can be mentioned.
  • the counterion of the anion group of these surfactants include sodium ion, potassium ion, triethanolamine and the like.
  • examples of the alkyl ether sulfate ester salt include POE sodium lauryl ether sulfate.
  • examples of the alkyl sulfate include sodium lauryl sulfate, sodium cetyl sulfate and the like.
  • Specific examples of the alkyl sulfate derivative include POE sodium lauryl sulfate and the like.
  • Specific examples of the phosphoric acid ester-type surfactant include POE oleyl ether phosphoric acid and the like.
  • cationic surfactants include, for example, lauryltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, alkyltrimethylammonium chloride, distearyldimethylammonium chloride, cetyltrimethylammonium bromide, stearyltrimethylammonium bromide, Lanolin Ethyl Sulfate Fatty Acid Aminopropyl Ethyldimethylammonium, Stearyltrimethylammonium Saccharin, Cetyltrimethylammonium Saccharin, Methacryloyloxyethyltrimethylammonium Chloride, Behenyltrimethylammonium Methyl Sulfate, Behenyldimethylamine, Diethylaminoethylamide Behenic Acid, Dimethylaminopropylamide Behenate, Examples thereof include behenic acid dimethylaminoethylamide, stearyldimethylamine, palmimethyl
  • amphoteric tensides include cocobetaine, lauramidepropyl betaine, cocamidopropyl betaine, sodium lauroanphoacetate, sodium cocoamphoacetate, coconut oil fatty acid amide propyl betaine, lauryl betaine (lauryldimethylaminoacetic acid betaine), and lauryl. Examples thereof include sodium aminopropionate.
  • nonionic surfactant examples include ether type nonionic surfactant, ester type nonionic surfactant, alkyl glucoside and the like.
  • ether-type nonionic surfactants include POE cetyl ether (Cetes), POE stearyl ether (Staires), POE behenyl ether, POE oleyl ether (Ores), POE lauryl ether (Laures), and POE octyldodecyl.
  • Examples thereof include ether, POE hexyl decyl ether, POE isostearyl ether, POE nonyl phenyl ether, POE octyl phenyl ether, POE polyoxypropylene cetyl ether, POE polyoxypropylene decyl tetradecyl ether and the like.
  • ester-type nonionic surfactant examples include POE sorbitan monooleate, POE sorbitan monostearate, POE sorbitan monopalmitate, POE sorbitan monolaurate, POE sorbitan trioleate, and POE glycerin monostearate.
  • POE glycerin monomyristate POE sorbit tetraoleate, POE sorbit hexastearate, POE sorbit monolaurate, POE sorbit Mitsurou, polyethylene glycol monooleate, polyethylene glycol monostearate, polyethylene glycol monolaurate, monooleic acid prooleate Glycerin, lipophilic glycerin monostearate, self-emulsifying glycerin monostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, sorbitan monostearate, sorbitan monopalmitate, sorbitan monolaurate, sucrose fatty acid Examples thereof include esters, decaglyceryl monolaurate, decaglyceryl monostearate, decaglyceryl monooleate, and decaglyceryl monomyristate.
  • alkyl glucoside examples include alkyl (8 to 16) glucoside, POE methyl glucoside, POE dioleate methyl glucoside and the like.
  • One kind of surfactant may be used alone, or two or more kinds of surfactants may be used in combination.
  • the oxidative hair dye may include components other than those described above, such as solubilizers, water-soluble polymers, pH adjusters other than the above, preservatives, stabilizers, plant extracts, crude drug extracts, vitamins, etc. It may further contain a fragrance, an antioxidant, a chelating agent, an ultraviolet absorber and the like.
  • solubilizer is added, for example, when the dosage form is made liquid or the like.
  • solubilizers used include water and organic solvents (solvents).
  • organic solvents include, for example, ethanol, n-propanol, isopropanol, methyl cellosolve, ethyl cellosolve, methyl carbitol, ethyl carbitol, benzyl alcohol, phenethyl alcohol, ⁇ -phenylpropyl alcohol, silica skin alcohol, anis alcohol, and the like.
  • solubilizer examples thereof include p-methylbenzyl alcohol, ⁇ -dimethylphenethyl alcohol, ⁇ -phenylethanol, ethylene glycol phenyl ether (phenoxyethanol), phenoxyisopropanol, 2-benzyloxyethanol, N-alkylpyrrolidone, alkylene carbonate and alkyl ether.
  • solubilizer may be used alone, or two or more kinds of solubilizers may be used in combination.
  • water is preferably applied because it has an excellent ability to dissolve other components in the first agent.
  • the content of water in the mixture is preferably 40% by mass or more, more preferably 50% by mass or more.
  • the water-soluble polymer gives the oxidative hair dye an appropriate viscosity. Therefore, the oxidative hair dye may contain a water-soluble polymer within a range that does not impair the effects of the present invention.
  • the water-soluble polymer include natural polymers, semi-synthetic polymers, synthetic polymers, and inorganic polymers. Specific examples of natural polymers include guar gum, locust bean gum, quince seed, carrageenan, galactan, arabic gum, tragacanto gum, pectin, mannan, xanthan gum, dextran, succinoglucan, curdran, hyaluronic acid, gelatin, casein, etc. Examples include albumin, collagen, dextrin, triglucopolysaccharide (pullulan) and the like.
  • the semi-synthetic polymer examples include methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxyethyl cellulose dimethyldiallyl ammonium chloride, hydroxypropyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose, cationized cellulose, cationized guar gum, and starch phosphorus.
  • examples thereof include acid ester, propylene glycol alginate, and alginate.
  • the synthetic polymer examples include polyvinylcaprolactam, polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), vinylpyrrolidone-vinyl acetate (VP / VA) copolymer, polyvinylbutyral, polyvinylmethyl ether, carboxyvinyl polymer, and poly.
  • the pH adjuster may be contained to adjust the pH of the oxidative hair dye (mixture).
  • the pH adjuster is appropriately selected from known ones depending on the type of oxidation dye.
  • Specific examples of the pH adjuster include inorganic acids, organic acids, salts thereof, and hydroxides of alkali metals or alkaline earth metals.
  • Examples of the organic acid include citric acid, glycolic acid, succinic acid, tartaric acid, lactic acid, malic acid, levulinic acid, acetic acid, butyric acid, valeric acid, oxalic acid, maleic acid, fumaric acid, mandelic acid, acidic amino acids and the like.
  • Specific examples of the organic acid salt include sodium salt, potassium salt and the like.
  • the inorganic acid include phosphoric acids such as phosphoric acid and pyrophosphoric acid, hydrochloric acid, sulfuric acid, nitric acid, boric acid and the like.
  • phosphoric acids such as phosphoric acid and pyrophosphoric acid
  • hydrochloric acid sulfuric acid
  • nitric acid boric acid
  • hydroxides of alkali metals or alkaline earth metals include sodium hydroxide, potassium hydroxide and the like.
  • preservatives include paraben, methylparaben, sodium benzoate and the like.
  • stabilizer include phenacetin, 8-hydroxyquinoline, acetanilide, sodium pyrophosphate, barbituric acid, uric acid, tannic acid and the like.
  • antioxidant include ascorbic acids, sulfites and the like.
  • the chelating agent include edetonic acid (ethylenediaminetetraacetic acid (EDTA)), disodium edetate, tetrasodium edetate, diethylenetriaminetetraacetic acid and its salts, hydroxyethylethylenediaminetriacetic acid and its salts, and hydroxyethanedi. Phosphonic acid (HEDP) and salts thereof and the like can be mentioned.
  • EDTA ethylenediaminetetraacetic acid
  • HEDP hydroxyethylethylenediaminetriacetic acid and its salts
  • HEDP hydroxyethanedi.
  • one kind of other components may be used alone, or two or more kinds of other components may be used in combination.
  • the dosage form of the first agent is not particularly limited, and specific examples thereof include a liquid form such as an aqueous solution or a milky lotion, a gel form, a foam form, a cream form, and a solid form.
  • a dispersant may be blended.
  • Dosage forms such as aerosols and non-aerosols can be used, and in the case of non-aerosols, various forms such as a squeeze former type and a pump former type can be further taken.
  • known propellants and foaming agents can be applied.
  • the propellant or foaming agent include liquefied petroleum gas (LPG), dimethyl ether (DME), nitrogen gas, carbon dioxide gas and the like.
  • the second agent may also contain components such as the above-mentioned solubilizing agent.
  • Oxidizing agents further improve the decolorization of melanin contained in hair.
  • Specific examples of the oxidizing agent include hydrogen peroxide, urea peroxide, melamine peroxide, sodium peroxide, potassium percarbonate, sodium perborate, potassium perborate, ammonium persulfate, potassium persulfate, and sodium persulfate.
  • oxidizing agent Sodium peroxide, potassium peroxide, magnesium peroxide, barium peroxide, calcium peroxide, strontium peroxide, hydrogen peroxide adduct of sulfate, hydrogen peroxide adduct of phosphate, hydrogen peroxide of pyrophosphate Additives and the like can be mentioned.
  • One kind of oxidizing agent may be used alone, or two or more kinds of oxidizing agents may be used in combination.
  • the content of the oxidizing agent in the second agent is appropriately set, but is preferably 0.1% by mass or more, more preferably 1.0% by mass or more, and further preferably 2.0% by mass or more. Is. When the content of the oxidizing agent is 0.1% by mass or more, the decolorizing property of melanin can be further improved.
  • the content of the oxidizing agent in the second agent is preferably 15.0% by mass or less, more preferably 9.0% by mass or less, and further preferably 6.0% by mass or less.
  • the content of the oxidizing agent is 15.0% by mass or less, damage to hair and the like can be further suppressed.
  • the second agent is preferably a stabilizer such as sodium succinate or ethylene glycol phenyl ether (phenoxyethanol). ), Hydroxyethanediphosphonic acid and / or a salt thereof.
  • a stabilizer such as sodium succinate or ethylene glycol phenyl ether (phenoxyethanol).
  • Hydroxyethanediphosphonic acid and / or a salt thereof examples include tetrasodium hydroxyetanediphosphonate and disodium hydroxyethanediphosphonate.
  • the second agent may contain each component that is generally contained in the oxidative hair dye and does not inhibit the action of each component described above.
  • the above-mentioned component contained in the first agent may be appropriately contained within a range that does not impair the effects of the present invention.
  • the dosage form of the second agent is not particularly limited, and specific examples thereof include a liquid form such as an aqueous solution or a milky lotion, a gel form, a foam form, a cream form, and a solid form.
  • a liquid form such as an aqueous solution or a milky lotion
  • a gel form such as a gel form
  • a foam form such as a cream form
  • a solid form such as a gel form, a foam form, a cream form, and a solid form.
  • the mixing ratio of the first agent and the second agent of the two-agent oxidative hair dye is appropriately set in consideration of the concentration, miscibility, application method, etc. of each component in the mixture, but is preferably 0.1. It is ⁇ 10: 1, more preferably 0.5 ⁇ 2: 1.
  • the dosage form of the mixture is not particularly limited as long as it is a dosage form applicable to hair, and specific examples thereof include a liquid form such as an aqueous solution or a milky lotion, a gel form, a foam form, and a cream form. .. It is preferably in the form of a cream or paste from the viewpoint of being easy to remove with a brush, extending to the hair and adhering to the hair, and being excellent in application operability.
  • the hair dye composition may be further formed into a foam-like or mist-like form.
  • foaming as described above, even if the hair dye composition is formed by self-foaming by mixing the hair dye composition in the mixing container and the mixing instrument, the hair dye composition is filled in a shaking container and shaken.
  • a known foaming device such as a non-aerosol former or an aerosol former may be used.
  • the hair dye composition As a means for applying the hair dye composition to the hair, it may be applied to the hair using an application tool such as a comb, a brush, a brush, or an applicator. In addition, the hair dye composition may be applied to the hair by hand wearing gloves.
  • an application tool such as a comb, a brush, a brush, or an applicator.
  • the hair dye composition may be applied to the hair by hand wearing gloves.
  • the dye intermediate in the oxidative hair dye, is not substantially contained and only the coupler is contained as the oxidative dye, or the coupler is contained in a predetermined ratio or more with respect to the total dye intermediate. contains. Therefore, the decontamination performance can be improved and the recoloring performance can be improved while maintaining the hair dyeing performance.
  • the oxidative hair dye of the first embodiment is alkaline by containing only a coupler as an oxidative dye without substantially containing a dye intermediate, or by containing a coupler in a predetermined ratio or more with respect to all the dye intermediates. Since it forms a polymer that is easily decomposed by the agent, it has excellent decontamination performance and has less influence on the hair color from the next time onward. As a result, you can enjoy various hair colors without considering the next hair color.
  • the oxidative hair dye contains the (D) iodine compound, the polymerization of the oxidative dye can be promoted and the hair dyeing power can be improved.
  • the oxidative hair dye does not substantially contain a dye intermediate or its content is very small, it may be used by a subject who is allergic to a specific dye intermediate, for example. is there.
  • a dye that can be contained in the oxidative hair dye for example, a direct dye, a legal dye, a basic dye, an HC dye, etc., is appropriately used as long as the effect of the present invention is not impaired. It may be contained.
  • the oxidative hair dye is not limited to the two-agent type, and a part of each component contained in the first agent and the second agent may be composed as a separate agent and may be composed of three or more agents.
  • the first agent of the two-agent type is divided into two, an agent containing a coupler and an alkaline agent which is an optional component, and an agent having a composition other than that, and is configured as a three-agent type oxidative hair dye. May be good. In this case, the formulation stability is further improved.
  • the powdered (A) coupler and the powdered oxidizing agent By using the powdered (A) coupler and the powdered oxidizing agent, a configuration may be adopted in which the (A) coupler and the oxidizing agent are stored in the same agent. When a powdered agent is used, it is dissolved in the above-mentioned solvent at the time of use.
  • the oxidative hair dye is a composition containing three or more agents or a composition containing a powdered agent, it is still included in the present invention as long as the effects of the present invention are exhibited.
  • the oxidative hair dye of the second embodiment is an oxidative hair dye containing at least one selected from (A) coupler, (B1) carbamate ion, carbonate ion, and hydrogen carbonate ion, and the oxidative hair dye is
  • the (C) dye intermediate is contained, the mass ratio (A / C) of the content of the component (A) to the content of the total (C) dye intermediate is 2.5 or more.
  • the oxidative hair dye of the second embodiment is a multi-agent oxidative hair dye, for example, (A) coupler, (B1) component, preferably (E) oily component, (F) poly. It is composed of an oxidative hair dye consisting of a valent alcohol, a first agent containing (G) a surfactant, and a second agent containing an oxidizing agent.
  • the component (B1) is contained as a polymerization accelerator that promotes the polymerization of the oxidative dye and improves the hair dyeing power.
  • the carbamic acid ion, carbonate ion, and hydrogen carbonate ion constituting the component (B1) are added to the first agent in the form of carbamic acid salt, carbonate, and bicarbonate with a counter ion liberated in the solubilizer. May be done.
  • the carbamic acid salt, the carbonate, and the hydrogen carbonate those exemplified in the column of (B) Alkaline agent of the first embodiment can be appropriately adopted.
  • the first agent may contain an (B) alkaline agent other than the (B1) component listed in the first embodiment column.
  • the lower limit of the content of the component (B1) in the mixture is appropriately set, but is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, still more preferably 0.5% by mass or more. ..
  • the content of the component (B1) is 0.01% by mass or more, the hair dyeing power can be further improved.
  • the upper limit of the content of the component (B1) in the mixture is appropriately set, but is preferably 20% by mass or less, more preferably 15% by mass or less, and further preferably 10% by mass or less. When the content of (B1) is 20% by mass or less, the decontamination performance can be further improved.
  • the content of (B1) here indicates a value in terms of carbamic acid salt, ammonium carbonate salt, or ammonium hydrogen carbonate salt.
  • the lower limit of the total content of the (B1) components is appropriately set, but is preferably 0.01% by mass or more, more preferably 0. It is 1% by mass or more, more preferably 0.5% by mass or more.
  • the hair dyeing power can be further improved.
  • the upper limit of the total content thereof is appropriately set, but is preferably 20% by mass or less, more preferably 15% by mass or less, and further preferably 10% by mass or less. When the total content is 20% by mass or less, the decontamination performance can be further improved.
  • the oxidative hair dye of the reference embodiment is (A-1) 2,4-diaminophenoxyethanol, 2,6-diaminopyridine, 5- (2-hydroxyethylamino) -2-methylphenol, 1-naphthol, and the like.
  • an oxidative hair dye containing at least one coupler selected from a derivative and the oxidative hair dye contains a (C) dye intermediate, (A-) with respect to the content of the total (C) dye intermediate.
  • the mass ratio (A-1) / (C) of the content of the component is 2.5 or more.
  • the oxidative hair dye preferably further contains (B) an alkaline agent.
  • the upper limit of the ratio (B) / (A-1) is set from the viewpoint of more effectively exerting the color variation action based on the component (A-1). It is preferably 90 or less, more preferably 60 or less, and even more preferably 40 or less.
  • the first agent may further contain a component other than the above-mentioned components, for example, a component contained in the first agent of the oxidative hair dye described in the column of the first embodiment, if necessary.
  • the hair dyeing treatment rich in color variation can be performed by the above-described configuration.
  • various color tones can be developed.
  • Various color variations can be formed even if only one type of coupler is applied.
  • Example 1 Decontamination performance>
  • a creamy first agent containing each component shown in Tables 1 and 2 and a milky liquid second agent containing each component shown in Table 3 were prepared.
  • the numerical value in the column indicating each component indicates the content of the component in the column, and the unit is mass%.
  • the notation (A) to (D) in the "component" column in each table indicates the compound corresponding to each of the components (A) to (D) described in the claims of the present application.
  • the hair bundles of each example subjected to the hair dyeing treatment were evaluated for decontamination performance or hair dyeing power according to the method shown below on the day after the hair dyeing treatment.
  • the decontamination performance of each hair bundle that had been dyed was evaluated by the same method as in Test Example 1. The results are shown in the "Decontamination performance” column of Tables 4 and 5. Furthermore, the hair dyeing ability was evaluated by the following evaluation method.
  • Examples 25 to 30 are superior (5 points) when the color tone of the hair bundle is darker than that of Example 4, based on the dyeing intensity of Example 4, and the color tone of the hair bundle is slightly higher than that of Example 4. When it is dark, it is good (4 points), when the color tone of the hair bundle is the same as that of Example 4, it is acceptable (3 points), and when the color tone of the hair bundle is slightly lighter than that of Example 4, it is slightly poor (2 points).
  • the hair dyeing power of each of the hair bundles subjected to the hair dyeing treatment was evaluated by the same method as in Test Example 2.
  • the evaluation was carried out in the same manner as described above, based on the dyeing intensity of Example 37.
  • Examples 42 to 44 were evaluated in the same manner as described above based on the dyeing intensity of Example 41.
  • Examples 46 to 48 were evaluated in the same manner as described above, based on the dyeing intensity of Example 45.
  • the results are shown in the "Hair dyeing power" column of Tables 6 and 7.
  • Example 6 it was confirmed that Examples 38 to 40 containing carbonate were superior in hair dyeing power to Example 37 containing no carbonate. As shown in Table 7, it was confirmed that Examples 42 to 44 containing carbonate were superior in hair dyeing power to Example 41 not containing carbonate. As shown in Table 7, it was confirmed that Examples 46 to 48 containing carbonate were superior in hair dyeing power to Example 45 containing no carbonate.
  • ⁇ Reference test example 1 Color variation>
  • the oxidative hair dye the first agent containing each component shown in Tables 8 to 11 was prepared.
  • the oxidative hair dyes of each of the examples in Tables 8 to 11 were adjusted so that the pH at the time of dilution by 10% by mass was all around 10 to 11. Hair dyeing was performed by the same test method as in Test Example 1.
  • the color tone of each hair bundle that had been dyed was evaluated according to the method shown below.
  • the content of the coupler, the content of the alkaline agent, or the type of the alkaline agent is changed. It was confirmed that the hair can be dyed in various colors.
  • (A) (A-1) At least one selected from 2,4-diaminophenoxyethanol, 2,6-diaminopyridine, 5- (2-hydroxyethylamino) -2-methylphenol, 1-naphthol, and derivatives thereof.
  • an oxidative hair dye containing a coupler and the oxidative hair dye contains a (C) dye intermediate, the content of the component (A-1) relative to the content of the total (C) dye intermediate.
  • An oxidative hair dye having a mass ratio (A-1) / (C) of 2.5 or more.
  • (C) The oxidative hair dye in which the ratio (B) / (A-1) of the content of the component (B) to the content of the component (A-1) is 0.0001 to 100.

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