US20160346182A1 - Reducing composition for permanently reshaping keratin fibers - Google Patents
Reducing composition for permanently reshaping keratin fibers Download PDFInfo
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- US20160346182A1 US20160346182A1 US14/901,816 US201414901816A US2016346182A1 US 20160346182 A1 US20160346182 A1 US 20160346182A1 US 201414901816 A US201414901816 A US 201414901816A US 2016346182 A1 US2016346182 A1 US 2016346182A1
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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
- A61K8/30—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
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
- A45D2/001—Hair straightening appliances
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D7/00—Processes of waving, straightening or curling hair
- A45D7/06—Processes of waving, straightening or curling hair combined chemical and thermal
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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
-
- 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
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
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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
- A61K8/30—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
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/362—Polycarboxylic acids
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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
- A61K8/30—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
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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
- A61K8/30—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
- A61K8/416—Quaternary ammonium compounds
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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
- A61K8/72—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
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- 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
- A61Q5/04—Preparations for permanent waving or straightening the hair
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/54—Polymers characterized by specific structures/properties
- A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
- A61K2800/5422—Polymers characterized by specific structures/properties characterized by the charge nonionic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
- A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/596—Mixtures of surface active compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/805—Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/88—Two- or multipart kits
- A61K2800/884—Sequential application
Definitions
- the present invention relates to a reducing composition for permanently reshaping keratin fibers, preferably having substantially neutral pH.
- the present invention also relates to a process for permanently reshaping keratin fibers under heat environment using said reducing composition.
- Useful art to obtain a permanent reshaping or deforming process of keratin fibers such as hair may be, in a first step, in opening the keratin disulfide bonds (cystine) with a composition comprising a reducing agent, and preferably after rinsing the keratin fibers, in reforming, in a second step, said disulfide bonds by applying to the keratin fibers which have been placed beforehand under mechanical tension with curlers or equivalents thereof or which have been straightened by other means, an oxidizing composition, so as to give the desired form to the keratin fibers.
- This process enables either the waving of the keratin fibers or the decurling, the backcombing or the straightening thereof. However, this may not lead to sufficient waving/straightening effects.
- a composition comprising a reducing agent is normally used at a pH ranging from 8 to 10, which can lead to hair damage.
- a composition comprising a reducing agent is usually in the form of liquid because the application is done after winding of hair on rods.
- drippings of such composition are running down the forehead, the nape, and the face or is getting into the eyes, thus such drippings give an uncomfortable feeling and/or a safety issue.
- JP 1995-2635 A and U.S. Pat. No. 6,017,519 disclose a reducing composition prepared by mixing two components at the time of use, one component comprising a reducing agent and having acidic pH, and another component comprising an unstable substance at acidic and neutral pH and having basic pH, respectively.
- the inventors have found a reducing composition with substantially neutral pH for permanently reshaping keratin fibers such as hair, prepared by mixing two components at the time of use.
- the reducing composition of the present invention has a pH about neutrality and does not involve a problem of stability.
- a reducing composition for permanently reshaping keratin fibers such as hair prepared by mixing a component A and a component B at the time of use,
- the composition has a viscosity ranging from 500 cps to 100,000 cps, and more preferably ranging from 2,000 cps to 50,000 cps.
- At least one of the component A and the component B may further comprise at least one surfactant, wherein the surfactant may be selected from the group consisting of cationic, anionic, nonionic and amphoteric surfactants, and preferably is a cationic surfactant.
- the cationic surfactant may be selected from the group consisting of alkyltrimethylammonium salts, preferably behentrimonium chloride
- the nonionic surfactant may be selected from the group consisting of polyoxyethylene alkyl ethers, preferably polyoxyethylated cetyl and stearyl alcohols and their mixtures.
- the component A may have pH ranging from 3.5 to 6.5, and the component B has pH ranging from 8.0 to 9.0.
- the buffer salt may be at least one selected from the group consisting of bicarbonates, preferably ammonium bicarbonate.
- the thiol-based reducing compound may be selected from the group consisting of thioglycolic acid and derivatives thereof; dithioglycolic acid and derivatives thereof; thiolactic acid and derivatives thereof; 3-mercaptopropionic acid and derivatives thereof; cysteamine and derivatives thereof; mono-thioglycerol and derivatives thereof; and cysteine and derivatives thereof.
- the thiol-based reducing compound may be selected from the group consisting of thioglycolic acid and salts thereof; and thiolactic acid and salts thereof.
- the disulfide compound may be a disulfide of the thiol-based reducing compound used, preferably is selected from dithiodiglycolates.
- At least one of the component A and the component B further may comprise at least one sequestering agent, preferably pentasodium pentetate; a pH regulator.
- the component A may be in the form of liquid, emulsion or gel
- the component B may be in the form of liquid, emulsion or gel.
- kit for permanently reshaping keratin fibers such as hair comprising:
- the reducing composition according to the present invention is intended for permanently reshaping keratin fibers such as hair under heat environment.
- this process comprises the following steps of:
- the process comprises a step of moistening the keratin fibers before the application step (i); and/or a step of leaving the keratin fibers for 10 to 30 minutes after the application step (i) and before the rinsing step (ii); and/or a step of leaving the keratin fibers for 5 to 15 minutes after the application step (v); and/or a step of rinsing said keratin fibers with water and optionally drying said keratin fibers after the application step (v).
- the step (iii) may be a step of winding said keratin fibers on a rod, or a step of straightening said keratin fibers with an iron.
- the oxidizing compound be at least one selected from the group consisting of hydrogen peroxide, alkaline bromate, polythionates and persalts, more preferably hydrogen peroxide.
- the reducing composition of the present invention can solve the problems of the prior art. That is, the reducing composition gives sufficient waving effects such as good wave/straightening performance and their good durability, has neutral pH and avoids problem of stability, and advantageously may have an appropriate viscosity sufficient not to induce drippings.
- the reducing composition of the present invention comprises of a component A and a component B.
- the component A comprises at least one thiol-based reducing compound and has pH 7.0 or less
- the component B comprises at least one buffer salt selected from the group consisting of carbonates, bicarbonates and carbamates, and has pH 8.0 or more.
- at least one of the component A and the component B comprises a disulfide compound.
- the reducing composition of the present invention is prepared by mixing the component A and the component B at the time of use, and then the reducing composition prepared has neutral pH ranging from 7.0 to 7.8.
- the component A of the present invention comprises at least one thiol-based reducing compound, preferably one, two, three or four thiol-based reducing compounds.
- thiol-based reducing compound means a compound having one or more thiol (—SH) groups, said thiol group(s) being optionally in the form of an organic or inorganic salt.
- the thiol-based reducing compound may preferably be selected from the group consisting of thioglycolic acid and derivatives thereof, in particular esters thereof such as glycerol or glycol monothioglycolate; dithioglycolic acid and derivatives thereof, in particular esters thereof such as glycerol or glycol dithioglycolate; thiolactic acid and derivatives thereof, in particular esters thereof such as glycerol monothiolactate; 3-mercaptopropionic acid and derivatives thereof, in particular esters thereof such as glycerol 3-mercaptopropionate and ethyleneglycol 3-mercaptopropionate; cysteamine and derivatives thereof, in particular C 1-4 acyl derivatives thereof such as N-acetylcysteamine and N-propionylcysteamine; mono-thioglycerol and derivatives thereof, in particular esters; and cysteine and derivatives thereof, in particular C 1-4 acyl derivatives thereof such as N-acet
- salts mention may be made of, for example, ammonium salts; primary-, secondary- or tertiary-amine salts; alkaline metal salts; and alkaline earth metal salts.
- primary-, secondary- or tertiary-amine for example, monoethanolamine, di-isopropanolamine or triethanolamine may be mentioned respectively.
- the thiol-based reducing compound may more preferably be selected from the group consisting of thioglycolic acid and salts thereof; and thiolactic acid and salts thereof, most preferably be selected from the group consisting of thioglycolic acid, thiolactic acid and ammonium salts thereof.
- the thiol-based reducing compound(s) may be used in sufficient amounts to reduce the keratin fiber disulfide bonds.
- the amount of the thiol-based reducing compound(s) can be from 0.1 to 20%, preferably from 1 to 15% by weight of the total weight of the reducing composition.
- the component A of the present invention has pH 7.0 or less, preferably pH ranging from 3.5 to 6.5.
- the pH value of the component A may be adjusted by the combination of two or more thiol-based reducing compounds or by adding a pH regulator.
- the pH regulator may be cosmetically acceptable and preferably be selected from organic or inorganic acids and organic or inorganic alkalines, as referred to hereinafter.
- the component A of the present invention may be in the form of liquid, gel or emulsion, preferably liquid or gel.
- kinds and amounts of medium (as referred to hereinafter) may be used appropriately, and if necessary, any additional ingredients such as surfactants (as referred to hereinafter) or thickeners (as referred to hereinafter) may be added.
- the component A may have an appropriate viscosity which can provide a given viscosity for the reducing composition of the present invention in mixing it with the component B.
- the component B of the present invention comprises at least one buffer salt which can keep the pH value of the component B alkaline (pH 8 or more).
- the buffer salt is selected from the group consisting of carbonates, bicarbonates and carbamates, preferably selected from the group consisting of alkaline metals, alkaline earth metals and ammonium salts of carbonate, bicarbonate and carbamate.
- preferred buffer salt is sodium carbonate, ammonium carbonate, sodium bicarbonate, ammonium bicarbonate and sodium carbamate or ammonium carbamate.
- the buffer salt(s) may be used in sufficient amounts to keep the pH value of the component B alkaline (pH 8 or more).
- the amount of the buffer salt(s) can be from 0.5 to 15%, preferably from 1 to 10%, and more preferably from 2 to 8% by weight of the total weight of the reducing composition.
- the component B of the present invention has pH 8.0 or more, preferably pH ranging from 8.0 to 9.0.
- the pH value of the component B may be adjusted by only a selection of the buffer salt(s) or by further adding a pH regulator.
- the pH regulator may be cosmetically acceptable and preferably be selected from organic or inorganic acids and organic or inorganic alkalines other than carbonates, bicarbonates and carbamates, as referred to hereinafter.
- the component B of the present invention may be in the form of liquid, gel or emulsion, preferably gel or emulsion.
- kinds and amounts of medium may be used appropriately, and if necessary, any additional ingredients such as surfactants (mentioned hereinafter) or thickeners (mentioned hereinafter) may be added.
- the component B may have an appropriate viscosity which can provide a prescribed viscosity for the reducing composition of the present invention in mixing it with the component A.
- At least one of the component A and the component B comprises one or more disulfide compounds. These compounds act as reaction regulators. Generally the reaction regulator is added to control a reaction rate between the thiol-based reducing compound and the keratin fiber disulfide bonds in view of equilibrium in the reaction, thereby inhibiting excessive reaction progress.
- the disulfide compound as a reaction regulator may be a disulfide issued from the thiol-based reducing compound as mentioned above, and having —S—S— bond, such as dithioglycolic acid and salts thereof; dithiodilactic acid and salts thereof; cystamine and salts thereof; and cystine and salts thereof.
- the disulfide compound as a reaction regulator may be preferably dithioglycolic acid and salts thereof such as ammonium dithioglycolate; dithiodilactic acid and salts thereof; cystamine and salts thereof; and cystine and salts thereof.
- the wording “at least one of the component A and component B” means either the component A or component B, or both of the component A and component B.
- either the component A or component B may comprise the disulfide compound(s), or both may comprise the disulfide compound(s) respectively.
- the component A comprises the disulfide compound(s).
- the disulfide compound may be used in amounts to control the reaction rate appropriately.
- the amount of the disulfide compound(s) can be from 0.1 to 10%, preferably from 2 to 5% by weight of the total weight of the reducing composition.
- At least one of the component A and the component B may comprise one or more surfactants to homogenize the ingredients in the component A and/or the component B or to make the component A and/or the component B the desired form such as liquid, gel or emulsion.
- the surfactant can be selected from cationic, anionic, nonionic and amphoteric surfactants, preferably cationic and/or nonionic surfactants, more preferably cationic surfactants.
- cationic surfactant examples include C 6-30 alkyl amine salts such as cocoalkylamine acetate and stearylamine acetate; and quaternary ammonium salts, in particular C 6-30 alkyltrimethylammonium salts such as behentrimonium chloride (docosyl trimethyl ammonium chloride), cocoalkyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride and cetyl trimethyl ammonium chloride.
- C 6-30 alkyl amine salts such as cocoalkylamine acetate and stearylamine acetate
- quaternary ammonium salts in particular C 6-30 alkyltrimethylammonium salts such as behentrimonium chloride (docosyl trimethyl ammonium chloride), cocoalkyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride and cetyl trimethyl ammonium chloride.
- cationic surfactant examples include quatemary ammonium salts, in particular C 6-30 alkyltrimethylammonium salts such as behentrimonium chloride (docosyl trimethyl ammonium chloride), cocoalkyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride and cetyl trimethyl ammonium chloride.
- anionic surfactant examples include C 6-30 alkyl sulfates and salts thereof such as sodium lauryl sulfate, ammonium lauryl sulfate and triethanolamine lauryl sulfate; polyoxyethylene C 6-30 alkyl ether sulfates and salts thereof such as ammonium polyoxyethylene lauryl ether sulfate and sodium polyoxyethylene lauryl ether sulfate; C 6-30 alkyl benzene sulfonates and salts thereof such as sodium dodecyl benzene sulfonate; C 6-30 alkyl benzene sulfonic acids such as dodecyl benzene sulfonic acid; other sulfonates such as sodium alkyl naphthalene sulfonates, sodium dialkyl sulfosuccinates and sodium alkyl diphenyl ether disulfonates; C 6-30 fatty acid salts such as sodium fatty
- nonionic surfactant examples include polyoxyethylene C 6-30 alkyl ethers such as polyoxyethylene lauryl ether, polyoxyethylene octyldodecyl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene myristyl ether and a mixture thereof; these ethers are polyoxyethylated fatty alcohols; sorbitan C 6-30 fatty acid esters such as sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan tristearate, sorbitan monooleate, sorbitan trioleate and a mixture thereof; polyoxyethylene sorbitan C 6-30 fatty acid esters such as polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan tristearate, polyoxyethylene sorbitan monooleate and polyoxyethylene sorbit
- nonionic surfactant examples include polyoxyethylene C 6-30 alkyl ethers such as polyoxyethylene cetyl ether or polyoxyethylated cetyl alcohol (the INCI name: CETETH-n, wherein n is a number of oxyethylene unit), polyoxyethylene stearyl ether or polyoxyethylated stearyl alcohol, and a mixture thereof (the INCI name: CETEARETH-n, wherein n is a number of oxyethylene unit).
- polyoxyethylene C 6-30 alkyl ethers such as polyoxyethylene cetyl ether or polyoxyethylated cetyl alcohol (the INCI name: CETETH-n, wherein n is a number of oxyethylene unit), polyoxyethylene stearyl ether or polyoxyethylated stearyl alcohol, and a mixture thereof (the INCI name: CETEARETH-n, wherein n is a number of oxyethylene unit).
- amphoteric surfactant examples include betaines such as lauramidopropyl betaine, lauryl betaine, cocamide propyl betaine, stearyl betaine and dimethyllaurylaminoacetate betaine; and non betainic amphoteric surfactants such as cocoamphodiacetate.
- component A or component B may comprise the surfactant(s), or both may comprise the surfactant(s) respectively.
- the component B comprises the surfactant(s).
- the amount of the surfactant(s) can be from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight and more preferably from 0.1% to 3.0% by weight of the total weight of the reducing composition.
- At least one of the component A and the component B may comprise one or more sequestering agents.
- the sequestering agent can be cosmetically acceptable and commercially available.
- Examples of the sequestering agent include ethylene diamine tetraacetic acid (EDTA), N-(hydroxyethyl) ethylene diamine triacetic acid, aminotrimethylene phosphonic acid, diethylenetriamine-pentaacetatic acid (i.e., pentetic acid), lauroyl ethylene diamine triacetic acid, nitrilotriacetic acid, iminodisuccinic acid, tartaric acid, citric acid, N-2-hydroxyethyliminodiacetic acid and salts thereof.
- EDTA ethylene diamine tetraacetic acid
- N-(hydroxyethyl) ethylene diamine triacetic acid aminotrimethylene phosphonic acid
- diethylenetriamine-pentaacetatic acid i.e., pentetic acid
- Preferred examples of the sequestering agents include ethylene diamine tetraacetic acid (EDTA) or salts thereof such as tetrasodium ethylene diamine tetraacetate; and diethylenetriamine-pentaacetatic acid or salts thereof such as pentasodium diethylenetriamine-pentaacetate (i.e., pentasodium pentetate).
- EDTA ethylene diamine tetraacetic acid
- diethylenetriamine-pentaacetatic acid or salts thereof such as pentasodium diethylenetriamine-pentaacetate (i.e., pentasodium pentetate).
- Either the component A or component B may comprise the sequestering agent(s), or both may comprise the sequestering agent(s) respectively. Preferred is that both comprises the sequestering agent(s).
- the amount of the sequestering agent(s) can be from 0.001 to 2.0% by weight, preferably from 0.05 to 1.0% by weight and more preferably from 0.1% to 0.5% by weight of the total weight of the reducing composition.
- At least one of the component A and the component B may comprise one or more pH regulators, the pH regulator being other than carbonates, bicarbonates and carbamates for component B.
- the pH regulator may be selected from cosmetically acceptable organic or inorganic acids and organic or inorganic alkalines. Typically, examples of organic or inorganic acids include hydrochloric acid, citric acid, phosphoric acid and salts thereof.
- organic or inorganic alkalines include ammonia; amino alcohols such as monoethanol amine, triethanol amine, isopropanol amine, 2-amino-2-methyl-1-propanol and 2-amino-2-methyl-1,3-propanediol; basic amino acids such as L-arginine; morpholine; phosphates such as sodium phosphate dibasic and ammonium phosphate dibasic; and caustic alkalines such as potassium hydroxide and sodium hydroxide.
- amino alcohols such as monoethanol amine, triethanol amine, isopropanol amine, 2-amino-2-methyl-1-propanol and 2-amino-2-methyl-1,3-propanediol
- basic amino acids such as L-arginine
- morpholine phosphates such as sodium phosphate dibasic and ammonium phosphate dibasic
- caustic alkalines such as potassium hydroxide and sodium hydroxide.
- Either the component A or component B may comprise the pH regulator(s), or both may comprise the pH regulator(s) respectively.
- Components A and B may comprise water such as pure water, ultrapure water, demineralized water and deionized water. They may also comprise organic solvents such as lower alcohols such as alcohols with C 1-5 alkyl, in particular, ethanol, propanol, isopropanol and butanol; polyols such as glycerol, ethylene glycol, propylene glycol, polyethylene glycol and sorbitol; and polyol monoalkyl ethers such as ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, diethylene glycol monoethyl ether and diethylene glycol monobutyl ether.
- organic solvents such as lower alcohols such as alcohols with C 1-5 alkyl, in particular, ethanol, propanol, isopropanol and butanol
- polyols such as glycerol,
- components A and B comprise water.
- the component A and the component B to prepare the reducing composition as disclosed herein may also comprise at least one adjuvant selected, for example, from silicones in soluble, dispersed and microdispersed forms; ceramides, glycoceramides and pseudoceramides; vitamins and provitamins including panthenol; waxes other than ceramides, glycoceramides and pseudoceramides; water-soluble and liposoluble, silicone-based and non-silicone-based sunscreens; nacreous agents and opacifiers; plasticizers; solubilizers; thickeners such as carboxymethyl cellulose, carboxyvinyl polymer, and (meth)acrylate copolymers/homopolymers as described in WO 2009/063042 A1; antioxidants; penetrating agents; fragrances; preserving agents; viscosity modifiers such as higher alcohols, for example, cetanol and mineral oil; humectant; hair protective agents such as amino acids, polypeptides and polymers.
- the reducing composition of the present invention is prepared by mixing the component A and the component B at the time of use.
- the resulting reducing composition has neutral pH, ranging from 7.0 to 7.8 and preferably has a viscosity ranging from 500 cps to 100,000 cps, more preferably ranging from 2,000 cps to 50,000 cps, more preferably ranging from 5,000 cps to 25,000 cps, and most preferably ranging from 5,000 cps to 10,000 cps, measured with a Brookfield viscometer at 25° C.
- the viscosity of the reducing composition is 500 cps or more, drippings of the reducing composition which give a subject an uncomfortable feeling can be reduced or suppressed.
- the viscosity of the reducing composition is 100,000 cps or less, it may be easier for a user (a practitioner, a hairdresser or the like) to mix the component A and the component B at the time of use to prepare the reducing composition on site and it is easy to apply it onto hair.
- the reducing composition of the present invention thus obtained is intended for permanently reshaping keratin fibers such as hair, in particular, under heat environment.
- a kit of the present invention comprises a component A, a component B and optionally an oxidizing composition.
- the component A and the component B are the same as those as mentioned above.
- the component A and the component B will be mixed with each other at the time of use to prepare the reducing composition of the present invention as mentioned above by a practitioner (for example, a hairdresser or the like) on site. This preparation shall result in the reducing composition with substantially neutral pH (pH 7.0 to 7.8).
- a kit of the present invention is preferably single-use type comprising a single dose of the component A and a single dose of the component B.
- a kit of the present invention may comprise the oxidizing composition.
- the oxidizing composition comprises at least one oxidizing compound.
- the oxidizing compound can be selected from cosmetically acceptable, conventional oxidizers, for example, at least one selected from the group consisting of hydrogen peroxide; alkaline bromate such as potassium bromate and sodium bromate; polythionates; and persalts such as sodium perborate; preferably the oxidizer is hydrogen peroxide.
- the reducing composition of the present invention can be used in a process for permanently reshaping keratin fibers such as hair, preferably with a step of heating, typically comprising the following steps of: (i) applying onto the keratin fibers the reducing composition of the present invention prepared at the time of use; (ii) rinsing said keratin fibers with water and optionally drying the keratin fibers; (iii) setting said keratin fibers under mechanical tension; (iv) heating said keratin fibers, preferably under a temperature ranging from 60 to 250° C.; and (v) applying onto said keratin fibers an oxidizing composition comprising at least one oxidizing compound, preferably as mentioned above.
- the process may further comprise the following steps of: moistening the keratin fibers before the application step (i); leaving the keratin fibers for 10 to 3.0 minutes after the application step (i) and before the rinsing step (ii); leaving the keratin fibers for 5 to 15 minutes after the application step (v); rinsing said keratin fibers with water and optionally drying said keratin fibers after the application step (v).
- the mechanical tension may be provided by at least one reshaping means selected from the group consisting of a curler, a roller, a rod, a plate and an iron.
- the step (iii) may be a step of winding said keratin fibers on a rod, or a step of straightening said keratin fibers with an iron.
- Component A1 was prepared according to the formulation shown in Table 1. The resulting component A was liquid and pH value thereof was 5.0.
- Components B1 to B3 were prepared according to the formulations shown in Table 2. The resulting components B1 to B3 were emulsions.
- Example 1 Hair was moistened and then the reducing composition of Example 1 was applied to the hair. The hair was left for 15 minutes and then rinsed thoroughly with water. The hair was winded on a rod for a digital perm and then heated for 25 minutes at temperature 90° C. An oxidizing composition comprising hydrogen peroxide was applied to the hair and left for 5 minutes, and then the hair was rinsed thoroughly with water and dried.
- An oxidizing composition comprising hydrogen peroxide was applied to the hair and left for 5 minutes, and then the hair was rinsed thoroughly with water and dried.
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JP2013-139546 | 2013-07-03 | ||
JP2013139546 | 2013-07-03 | ||
PCT/JP2014/068240 WO2015002323A1 (fr) | 2013-07-03 | 2014-07-02 | Composition réductrice pour la remise en forme permanente de fibres kératiniques |
Related Parent Applications (1)
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PCT/JP2014/068240 A-371-Of-International WO2015002323A1 (fr) | 2013-07-03 | 2014-07-02 | Composition réductrice pour la remise en forme permanente de fibres kératiniques |
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US16/595,680 Division US11202745B2 (en) | 2013-07-03 | 2019-10-08 | Reducing composition for permanently reshaping keratin fibers |
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US20160346182A1 true US20160346182A1 (en) | 2016-12-01 |
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US16/595,680 Active 2034-11-27 US11202745B2 (en) | 2013-07-03 | 2019-10-08 | Reducing composition for permanently reshaping keratin fibers |
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US16/595,680 Active 2034-11-27 US11202745B2 (en) | 2013-07-03 | 2019-10-08 | Reducing composition for permanently reshaping keratin fibers |
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US (2) | US20160346182A1 (fr) |
JP (1) | JP6500006B2 (fr) |
WO (1) | WO2015002323A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190160001A1 (en) * | 2017-11-17 | 2019-05-30 | Living Proof, Inc. | Covalent treatment for keratin-containing materials |
WO2019164841A1 (fr) * | 2018-02-20 | 2019-08-29 | Living Proof, Inc. | Traitement covalent avec des thiols de matériaux contenant de la kératine |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101615597B1 (ko) * | 2015-02-27 | 2016-04-27 | 우상호 | 기능성 펌제 및 이를 포함하는 염색제 |
ES2844873T3 (es) * | 2015-04-02 | 2021-07-23 | Oreal | Composición y procedimiento para tratar el cabello |
JP6346596B2 (ja) * | 2015-08-31 | 2018-06-20 | 株式会社ミルボン | 毛髪変形用第1剤、及び毛髪変形処理方法 |
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- 2014-07-02 US US14/901,816 patent/US20160346182A1/en not_active Abandoned
- 2014-07-02 JP JP2016500005A patent/JP6500006B2/ja active Active
- 2014-07-02 WO PCT/JP2014/068240 patent/WO2015002323A1/fr active Application Filing
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2019
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US5554363A (en) * | 1993-02-12 | 1996-09-10 | Helene Curtis, Inc. | Method of reducing malodors in permanent waving |
DE4317663A1 (de) * | 1993-05-27 | 1994-12-01 | Wella Ag | Mittel und Verfahren zur dauerhaften Haarverformung |
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WO2019164841A1 (fr) * | 2018-02-20 | 2019-08-29 | Living Proof, Inc. | Traitement covalent avec des thiols de matériaux contenant de la kératine |
US10993903B2 (en) | 2018-02-20 | 2021-05-04 | Living Proof, Inc. | Covalent treatment with thiols of keratin-containing materials |
US11723857B2 (en) | 2018-02-20 | 2023-08-15 | Living Proof, Inc. | Covalent treatment with thiols of keratin-containing materials |
Also Published As
Publication number | Publication date |
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JP6500006B2 (ja) | 2019-04-10 |
US20200030207A1 (en) | 2020-01-30 |
JP2016523224A (ja) | 2016-08-08 |
US11202745B2 (en) | 2021-12-21 |
WO2015002323A1 (fr) | 2015-01-08 |
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