AU2003254767B2 - Oil-in-water oxidizing cream emulsion for treating human keratin fibres - Google Patents
Oil-in-water oxidizing cream emulsion for treating human keratin fibres Download PDFInfo
- Publication number
- AU2003254767B2 AU2003254767B2 AU2003254767A AU2003254767A AU2003254767B2 AU 2003254767 B2 AU2003254767 B2 AU 2003254767B2 AU 2003254767 A AU2003254767 A AU 2003254767A AU 2003254767 A AU2003254767 A AU 2003254767A AU 2003254767 B2 AU2003254767 B2 AU 2003254767B2
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- Australia
- Prior art keywords
- emulsion according
- emulsion
- units
- oxidizing
- chosen
- Prior art date
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- 102000011782 Keratins Human genes 0.000 title claims description 30
- 108010076876 Keratins Proteins 0.000 title claims description 30
- 239000006071 cream Substances 0.000 title claims description 9
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- 239000000203 mixture Substances 0.000 claims abstract description 64
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- 239000007800 oxidant agent Substances 0.000 claims abstract description 19
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- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 description 1
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- 239000002202 Polyethylene glycol Substances 0.000 description 1
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- 108010092464 Urate Oxidase Proteins 0.000 description 1
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- 230000002378 acidificating effect Effects 0.000 description 1
- 239000002535 acidifier Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 125000000746 allylic group Chemical group 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- 235000019395 ammonium persulphate Nutrition 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
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- 239000002610 basifying agent Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- ZPOLOEWJWXZUSP-WAYWQWQTSA-N bis(prop-2-enyl) (z)-but-2-enedioate Chemical compound C=CCOC(=O)\C=C/C(=O)OCC=C ZPOLOEWJWXZUSP-WAYWQWQTSA-N 0.000 description 1
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- 229910052792 caesium Inorganic materials 0.000 description 1
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 description 1
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- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol group Chemical group [C@@H]1(CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C)[C@H](C)CCCC(C)C HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- DDTBPAQBQHZRDW-UHFFFAOYSA-N cyclododecane Chemical compound C1CCCCCCCCCCC1 DDTBPAQBQHZRDW-UHFFFAOYSA-N 0.000 description 1
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 description 1
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 1
- 235000018417 cysteine Nutrition 0.000 description 1
- 229960003067 cystine Drugs 0.000 description 1
- LEVWYRKDKASIDU-IMJSIDKUSA-N cystine group Chemical group C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N LEVWYRKDKASIDU-IMJSIDKUSA-N 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 238000009967 direct dyeing Methods 0.000 description 1
- CDMADVZSLOHIFP-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 CDMADVZSLOHIFP-UHFFFAOYSA-N 0.000 description 1
- TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 description 1
- 229960000735 docosanol Drugs 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- DOGJSOZYUGJVKS-UHFFFAOYSA-N glyceryl monothioglycolate Chemical compound OCC(O)COC(=O)CS DOGJSOZYUGJVKS-UHFFFAOYSA-N 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- LVPMIMZXDYBCDF-UHFFFAOYSA-N isocinchomeronic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)N=C1 LVPMIMZXDYBCDF-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229940102253 isopropanolamine Drugs 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- JXNPEDYJTDQORS-UHFFFAOYSA-N linoleyl alcohol Natural products CCCCCC=CCC=CCCCCCCCCO JXNPEDYJTDQORS-UHFFFAOYSA-N 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229960003151 mercaptamine Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- 150000005677 organic carbonates Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- LBIYNOAMNIKVKF-FPLPWBNLSA-N palmitoleyl alcohol Chemical compound CCCCCC\C=C/CCCCCCCCO LBIYNOAMNIKVKF-FPLPWBNLSA-N 0.000 description 1
- LBIYNOAMNIKVKF-UHFFFAOYSA-N palmitoleyl alcohol Natural products CCCCCCC=CCCCCCCCCO LBIYNOAMNIKVKF-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 229960005489 paracetamol Drugs 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229960003893 phenacetin Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 235000019394 potassium persulphate Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012673 precipitation polymerization Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- GJAWHXHKYYXBSV-UHFFFAOYSA-N pyridinedicarboxylic acid Natural products OC(=O)C1=CC=CN=C1C(O)=O GJAWHXHKYYXBSV-UHFFFAOYSA-N 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 238000010850 salt effect Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229940079864 sodium stannate Drugs 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229940071182 stannate Drugs 0.000 description 1
- 125000005402 stannate group Chemical group 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 150000003899 tartaric acid esters Chemical class 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical class OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A61K8/062—Oil-in-water emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
-
- 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
- A61K8/34—Alcohols
- A61K8/342—Alcohols having more than seven atoms in an unbroken chain
-
- 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
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Emergency Medicine (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cosmetics (AREA)
- Colloid Chemistry (AREA)
Abstract
Water-in-oil emulsion for treating keratinic materials comprises an oxidizing agent, a fatty alcohol with 8-30 carbon atoms, a nonionic and/or anionic surfactant, and an amphiphilic polymer comprising 2-acrylamido-2-methylpropane sulfonic acid units, optionally in alkali(ne earth) metal or ammonium salt form, and hydrophobic units with 6-50 carbon atoms. Independent claims are also included for: (1) oxidation dyeing of human keratinic fibers using an oxidation dye composition and an emulsion as above; (2) imparting permanent deformation to human keratinic fibers by putting the fibers under tension before, during or after application of a reducing composition, optionally rinsing the fibers, applying an emulsion as above, and optionally rinsing the fibers; (3) bleaching human keratinic fibers by applying an emulsion as above and rinsing the fibers.
Description
AUSTRALIA
Patents Act 1990 COMPLETE SPECIFICATION STANDARD PATENT Applicant(s):
L'OREAL
Invention Title: OIL-IN-WATER OXIDIZING CREAM EMULSION FOR TREATING HUMAN KERATIN FIBRES The following statement is a full description of this invention, including the best method of performing it known to me/us: OIL-IN-WATER OXIDIZING CREAM EMULSION FOR TREATING HUMAN KERATIN FIBRES The present patent application relates to an oxidizing cream emulsion for treating human keratin fibres and more particularly the hair, comprising at least one oxidizing agent, at least one (C 8
-C
30 fatty alcohol, at least one nonionic and/or anionic surfactant and at least one amphiphilic polymer comprising at least one 2-acrylamido-2-methylpropanesulphonic acid unit in free form or partially or totally neutralized form and at least one hydrophobic unit containing from 6 to 50 carbon atoms.
The patent application also relates to the use of the said amphiphilic polymer to stabilize the viscosity of an oxidizing oil-in-water emulsion comprising at least one (C 8
-C
30 fatty alcohol and at least one nonionic and/or anionic surfactant.
The patent application also relates to dyeing, bleaching and permanent-reshaping processes using the said emulsion.
In cosmetics, in the fields of dyeing, bleaching and permanent-reshaping of human keratin fibres and more particularly of hair, oxidizing compositions are used.
Thus, in the oxidation dyeing of the hair, oxidizing compositions are mixed with oxidation dyes (bases and couplers), which are colourless in themselves, to generate coloured compounds and dyes by a process of oxidative condensation. Oxidizing compositions are also used in the direct dyeing of the hair as a mixture with certain direct dyes that are coloured and colouring, in order to obtain a coloration with a lightening effect on the hair. Among the oxidizing agents conventionally used for dyeing keratin fibres, mention may be made of hydrogen peroxide or compounds capable of producing hydrogen peroxide by hydrolysis, such as urea peroxide, and persalts such as XH\Linda\Keep\PeC\PS1019 A0084S60.doc 16/10/03 perborates and persulphates, hydrogen peroxide being more particularly preferred.
In hair bleaching, bleaching compositions contain one or more oxidizing agents. Among these oxidizing agents, the ones most conventionally used are hydrogen peroxide or compounds capable of producing hydrogen peroxide by hydrolysis, such as urea peroxide or persalts such as perborates, percarbonates and persulphates, hydrogen peroxide and persulphates being particularly preferred.
These compositions are mainly formed from anhydrous products that contain alkaline compounds (amines and alkaline silicates), and a peroxygenated reagent such as ammonium or alkali metal persulphates, perborates or percarbonates, which is diluted at the time of use with an aqueous hydrogen peroxide composition.
Bleaching compositions are also in the form of ready-to-use oil-in-water emulsions based on hydrogen peroxide.
For the purposes of the invention, the expression "ready-to-use composition" means the composition intended to be applied in unmodified form to the keratin fibres, i.e. it may be stored in unmodified form before use or may result from the extemporaneous mixing of two or more compositions.
In the permanent reshaping of the hair, in a first stage, the keratin disulphide (cystine) bonds are opened using a composition containing a suitable reducing agent (reduction step), followed, after having rinsed the head of hair thus treated, by reconstituting the said disulphide bonds in a second stage, by applying to the hair, which has been placed under tension beforehand (curlers and the like), an oxidizing composition (oxidation step, also known as the fixing step) so as to finally give the hair the desired shape. This technique thus makes it possible either to make the hair wavy or to relax or straighten H.\Linda\Keep\spec\PS119 A0084560.doc 16/10/03 it. The new shape given to the hair by a chemical treatment such as above is remarkably long-lasting and especially withstands the action of washing with water or shampoos, as opposed to simple standard techniques of temporary reshaping, such as hairsetting.
The oxidizing compositions required to perform the fixing step are usually compositions based on aqueous hydrogen peroxide solution.
In these cosmetic applications, the oxidizing compositions are usually formulated in the form of oilin-water emulsions based on fatty alcohol and nonionic or anionic surfactant, so as to optimize the application and use qualities of the dyeing, bleaching or permanent-reshaping compositions comprising them, and especially in order for them to have a sufficient consistency so as not to run outside the zones of the head of hair or locks of hair to be treated.
It has been found, however, that the oxidizing O/W emulsions formed from fatty alcohol(s) and from nonionic or anionic surfactant(s) undergo substantial texture and viscosity changes over time, and that the cosmetic compositions formed therefrom lose their usual use qualities. For example, such compositions may thicken substantially over time, thus gradually making it very difficult for hairstylists to extract them from the device containing them.
The Applicant has discovered, surprisingly, that it is possible to obtain oxidizing cream O/W emulsions whose viscosity and texture change significantly less over time, if an amphiphilic polymer comprising at least one 2-acrylamido-2-methylpropanesulphonic (AMPS) acid unit in free form or partially or totally neutralized form and at least one hydrophobic unit containing from 6 to 50 carbon atoms are introduced into the oxidizing O/W emulsion.
Thus, the dyeing, bleaching or permanentreshaping compositions comprising them are stable and H;\Lnda\Keep\spec\P51019 A0084560.doc 16/10/03 have improved and more efficient application and use qualities.
This discovery forms the basis of the present invention.
One subject of the present invention is thus an oxidizing cream oil-in-water emulsion for treating keratin materials, characterized in that it comprises at least one oxidizing agent, at least one (C 8
-C
30 fatty alcohol, at least one nonionic and/or anionic surfactant and at least one amphiphilic polymer comprising at least one 2-acrylamido-2-methylpropanesulphonic acid unit in free form or partially or totally neutralized form of formula below and at least one hydrophobic unit containing from 6 to carbon atoms, 0 NH---CH 2
SO
3
X'
CH3 in which X' is a proton, an alkali metal cation, an alkaline-earth metal cation or an ammonium ion.
The invention also relates to the use of the said polymer to stabilize the viscosity of an oxidizing O/W emulsion comprising at least one fatty alcohol and at least one nonionic and/or anionic surfactant.
However, other characteristics, aspects, subjects and advantages of the invention will emerge even more clearly on reading the description and the examples that follow.
Amphiphilic polymers comprising at least one 2-acrylamido-2-methylpropanesulphonic (AMPS) acid unit in free form or partially or totally neutralized form and at least one hydrophobic unit containing from 6 to carbon atoms H.\Linda\Keep\spec\PS119 A0084560.doc 16/10/03 The term "amphiphilic polymer" means any polymer comprising both a hydrophilic portion and a hydrophobic portion and especially a fatty chain.
The hydrophobic portion present in the polymers of the invention preferably contains from 12 to 22 carbon atoms.
The amphiphilic polymers in accordance with the invention generally have a number-average molecular weight ranging from 1 000 to 20 000 000 g/mol, preferably ranging from 20 000 to 5 000 000 and even more preferably from 100 000 to 1 500 000 g/mol.
The amphiphilic polymers according to the invention may be crosslinked or non-crosslinked.
Crosslinked amphiphilic polymers are preferably chosen.
When they are crosslinked, the crosslinking agents may be chosen from the polyolefinically unsaturated compounds commonly used for crosslinking polymers obtained by free-radical polymerization.
Examples that may be mentioned include divinylbenzene, diallyl ether, dipropylene glycol diallyl ether, polyglycol diallyl ethers, triethylene glycol divinyl ether, hydroquinone diallyl ether, ethylene glycol di(meth)acrylate or tetraethylene glycol di(meth)acrylate, trimethylolpropane triacrylate, methylenebisacrylamide, methylenebismethacrylamide, triallylamine, triallyl cyanurate, diallyl maleate, tetraallylethylenediamine, tetraallyloxyethane, trimethylolpropane diallyl ether, allyl (meth)acrylate, allylic ethers of alcohols of the sugar series, or other allyl or vinyl ethers of polyfunctional alcohols, and also allylic esters of phosphoric and/or vinylphosphonic acid derivatives, or mixtures of these compounds.
Methylenebisacrylamide, allyl methacrylate or trimethylolpropane triacrylate (TMPTA) will be used more particularly. The degree of crosslinking will generally range from 0.01 mol% to 10 mol% and more Hj\Linda\Keep\spec\P5119 A008456.doc 16/10/03 particularly from 0.2 mol% to 2 mol% relative to the polymer.
The amphiphilic polymers in accordance with the invention may be chosen especially from random amphiphilic AMPS polymers modified by reaction with a
C
6
-C
22 n-monoalkylamine or di-n-alkylamine, such as those described in patent application WO 00/31154.
These polymers may also contain other hydrophilic units chosen, for example, from (meth)acrylic acids, P-substituted alkyl derivatives thereof or esters thereof obtained with monoalcohols or mono- or polyalkylene glycols, (meth)acrylamides, vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid, or mixtures of these compounds.
These same copolymers may also contain one or more units not comprising a fatty chain, such as (meth)acrylic acids, P-substituted alkyl derivatives thereof or esters thereof obtained with monoalcohols or mono- or polyalkylene glycols, (meth)acrylamides, vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid, or mixtures of these compounds.
These copolymers are described especially in patent application EP-A-750 899, patent US 5 089 578 and in the following publications from Yotaro Morishima: "Self-assembling amphiphilic polyelectrolytes and their nanostructures Chinese Journal of Polymer Science Vol. 18, No. 40, (2000), 323-336"; "Micelle formation of random copolymers of sodium 2-(acrylamido)-2-methylpropanesulphonate and a nonionic surfactant macromonomer in water as studied by fluorescence and dynamic light scattering Macromolecules 2000, Vol. 33, No. 3694-3704"; "Solution properties of micelle networks formed by nonionic moieties covalently bound to a polyelectrolyte: salt effects on rheological H,\Llnda\Keep\spec\P51019 A0084560.doc 16/10/03 behaviour Langmuir, 2000, Vol. 16, No. 12, 5324- 5332"; "Stimuli responsive amphiphilic copolymers of sodium 2-(acrylamido)-2-methylpropanesulphonate and associative macromonomers Polym. Preprint, Div. Polym. Chem. 1999, 40(2), 220-221".
The hydrophobic units of these particular copolymers are preferably chosen from the acrylates or acrylamides of formula (II) below: Ri
-CK--C-
(II)
0= Y CH-CH(R 3 )-O0xin which R 1 and R 3 which may be identical or different, denote a hydrogen atom or a linear or branched Ci-C 6 alkyl radical (preferably methyl); Y denotes 0 or NH; R 2 denotes a hydrophobic hydrocarbon-based radical containing from 6 to 50 carbon atoms and more preferably from 12 to 22 carbon atoms; x denotes a number of moles of alkylene oxide and ranges from 0 to 100.
The radical R 2 is preferably chosen from linear C 6 -Ce alkyl radicals (for example n-hexyl, n-octyl, n-decyl, n-hexadecyl and n-dodecyl) and branched or cyclic Cg-Cie alkyl radicals (for example cyclododecane (C 12 or adamantane (C 0
C
6 -Ci1 perfluoroalkyl radicals (for example the group of formula -(CH 2 2
-(CF
2 9
-CF
3 the cholesteryl radical (C 27 or a cholesterol ester residue, for instance the cholesteryl oxyhexanoate group; aromatic polycyclic groups, for instance naphthalene or pyrene.
According to one particularly preferred form of the invention, the unit of formula (II) comprises at least one alkylene oxide unit (x 2 1) and preferably a H.\Linda\Keep\Bec\P5119 A0084560.doc 16/10/03 polyoxyalkylenated chain. The polyoxyalkylenated chain preferably consists of ethylene oxide units and/or of propylene oxide units and even more particularly consists of ethylene oxide units. The number of oxyalkylene units generally ranges from 3 to 100, more preferably from 3 to 50 and even more preferably from 7 to Among these polymers, mention may be made of: crosslinked or noncrosslinked, neutralized or nonneutralized copolymers comprising from 15% to 60% by weight of AMPS units and from 40% to 85% by weight of
(C
8
-C
16 )alkyl (meth)acrylamide units or of (C 8
-C
16 )alkyl (meth)acrylate units, relative to the polymer, such as those described in patent application EP-A-750 899; terpolymers comprising from 10 mol% to 90 mol% of acrylamide units, from 0.1 mol% to 10 mol% of AMPS units and from 5 mol% to 80 mol% of n-(C 6
-C
18 )alkylacrylamide units, such as those described in patent 089 578.
Mention may also be made of non-crosslinked and crosslinked copolymers of partially or totally neutralized AMPS and of dodecyl methacrylate, and also non-crosslinked and crosslinked copolymers of partially or totally neutralized AMPS and of n-dodecylmethacrylamide, such as those described in the Morishima articles mentioned above.
Mention will be made more particularly of copolymers consisting of 2-acrylamido-2-methylpropanesulphonic (AMPS) acid units of formula and of units of formula (III) below: Ri
I
2 (111) o=-c 0- "CH 2
-CH
2
R,
2 H,\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 in which x denotes an integer ranging from 3 to 100, preferably from 5 to 80 and more preferably from 7 to RI has the same meaning as that given above in formula (II) and R 4 denotes a linear or branched C 6
-C
22 and more preferably C 10
-C
22 alkyl.
The polymers that are particularly preferred are those for which, in the unit (III), x 25, RI denotes methyl and R 4 represents C 16 -Cs or C 22 The preferred amphiphilic polymers in accordance with the invention may be obtained according to the standard free-radical polymerization processes in the presence of one or more initiators such as, for example, azobisisobutyronitrile (AIBN), azobisdimethylvaleronitrile, ABAH (2,2-azobis[2-amidinopropane] hydrochloride), organic peroxides such as dilauryl peroxide, benzoyl peroxide, tert-butyl hydroperoxide, etc., mineral peroxide compounds such as potassium persulphate or ammonium persulphate, or H 2 0 2 optionally in the presence of reducing agents.
The amphiphilic polymers are obtained especially by free-radical polymerization in tertbutanol medium in which they precipitate.
Using precipitation polymerization in tertbutanol, it is possible to obtain a size distribution of the polymer particles that is particularly favourable for its uses.
The size distribution of the polymer particles may be determined, for example, by laser diffraction or image analysis.
An advantageous distribution for this type of polymer, determined by image analysis, is as follows: 60.2% less than 423 microns, 52.0% less than 212 microns, 26.6% less than 106 microns, 2.6% less than microns and 26.6% greater than 850 microns.
The reaction may be performed at a temperature of between 0 and 150 0 C, preferably between and 1000C, either at atmospheric pressure or under H,\Llnda\Keep\spec\P51019 A0084560.doc 16/10/03 reduced pressure. It may also be performed under inert atmosphere, and preferably under nitrogen.
According to this process 2-acrylamido-2methylpropanesulphonic acid (AMPS) or a sodium or ammonium salt thereof was especially polymerized with a (meth)acrylic acid ester and a Clo-C18 alcohol oxyethylenated with 8 mol of ethylene oxide (Genapol® C-080 from the company Hoechst/Clariant), a C 11 oxo alcohol oxyethylenated with 8 mol of ethylene oxide (Genapol UD-080 from the company Hoechst/Clariant), a C 11 oxo alcohol oxyethylenated with 7 mol of ethylene oxide (Genapol® UD-070 from the company Hoechst/Clariant), a C 12 -C14 alcohol oxyethylenated with 7 mol of ethylene oxide (Genapol® LA-070 from the company Hoechst/Clariant), a C 12 -C1 4 alcohol oxyethylenated with 9 mol of ethylene oxide (Genapol® LA-090 from the company Hoechst/Clariant), a C 12
-C
14 alcohol oxyethylenated with 11 mol of ethylene oxide (Genapol® LA-110 from the company Hoechst/Clariant), a C16-C 18 alcohol oxyethylenated with 8 mol of ethylene oxide (Genapol® T-080 from the company Hoechst/Clariant), a C16-C 18 alcohol oxyethylenated with 15 mol of ethylene oxide (Genapol® T-150 from the company Hoechst/Clariant), a Ce1-C 1 i alcohol oxyethylenated with 11 mol of ethylene oxide (Genapol® T-110 from the company Hoechst/Clariant), a C16-Ce1 alcohol oxyethylenated with 20 mol of ethylene oxide (Genapol® T-200 from the company Hoechst/Clariant), H.\Linda\Keep\spec\P5119 A0084560.doc 16/10/03 a C 16
-C
18 alcohol oxyethylenated with 25 mol of ethylene oxide (Genapol® T-250 from the company Hoechst/Clariant), a C1i-C 22 alcohol oxyethylenated with 25 mol of ethylene oxide and/or a C16-C 18 iso alcohol oxyethylenated with 25 mol of ethylene oxide.
These AMPS copolymers and the process for preparing them have been described especially in French patent application 2 818 543.
The molar concentration of the units of formula (II) and of the units of formula (III) in the polymers according to the invention will vary as a function of the desired cosmetic use and of the desired rheological properties of the formulation. It may range between 0.1 mol% and 99.9 mol%.
Preferably, for the most hydrophobic polymers, the molar proportion of units of formula (II) or (III) ranges from 50.1% to 99.9%, more particularly from 70% to 95% and even more particularly from 80% to Preferably, for the sparingly hydrophobic polymers, the molar proportion of units of formula (II) or (III) ranges from 0.1% to 50%, more particularly from 5% to 25% and even more particularly from 10% to The monomer distribution in the polymers of the invention may be, for example, alternating, block (including multiblock) or random.
The viscosities (measured at 25 0 C using a Brookfield viscometer, needle No. 7) of the aqueous 1% solutions preferably range from 20 000 mPa.s to 100 000 mPa.s and more particularly from 60 000 mPa.s to 70 000 mPa.s.
The amphiphilic polymers in accordance with the invention are present in the oxidizing O/W emulsions in concentrations ranging from 0.01% to by weight, more preferably from 0.01% to 5% and even H.\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 more preferably from 0.01% to 2% by weight relative to the total weight of the emulsion.
Oxidizing agent According to the invention, the oxidizing agent is preferably chosen from the group formed by hydrogen peroxide and compounds capable of producing hydrogen peroxide by hydrolysis, or mixtures thereof.
The oxidizing agent is preferably chosen from the group formed by aqueous hydrogen peroxide solution, urea peroxide, alkali metal bromates or ferricyanides and persalts such as perborates or persulphates, or mixtures thereof. One or more redox enzymes such as laccases, peroxidases and 2-electron oxidoreductases (such as uricase) may also be used as oxidizing agent, where appropriate in the presence of the respective donor or co-factor thereof.
More particularly, the oxidizing agent is hydrogen peroxide and especially aqueous hydrogen peroxide solution.
The hydrogen peroxide concentration may range from 0.15% to 12% and preferably from 0.6% to and the concentration of compound capable of forming hydrogen peroxide by hydrolysis may range from 0.1% to by weight relative to the total weight of the oxidizing emulsion.
Preferably, when the oxidizing agent is aqueous hydrogen peroxide solution, the oxidizing emulsion according to the invention contains at least one hydrogen peroxide stabilizer, which may be chosen especially from alkali metal or alkaline-earth metal pyrophosphates, alkali metal or alkaline-earth metal stannates, phenacetin or salts of acids and of oxyquinoline, for instance oxyquinoline sulphate.
Advantageously, at least one stannate optionally in combination with at least one pyrophosphate is used.
It is also possible to use salicylic acid and its salts, pyridinedicarboxylic acid and its salts, paracetamol and systems consisting of a) a buffer H.\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 [ammonium or alkali metal (Na or K) borate and preferably sodium tetraborate decahydrate] b) an alkaline agent (NH 4 OH, monoethanolamine, ammonium carbonate, ammonium hydrogen carbonate or sodium hydroxide), and c) an agent for sequestering ions of heavy metals (Fe, Mn or Cu) such as those described in patent applications WO 01/72271, WO 01/72272 and WO 01/52801.
In the oxidizing emulsions according to the invention, the concentration of hydrogen peroxide stabilizers may range from 0.0001% to 5% by weight and preferably from 0.01% to 2% by weight relative to the total weight of the oxidizing emulsions.
In the oxidizing emulsions according to the invention containing aqueous hydrogen peroxide solution, the concentration ratio of the hydrogen peroxide to the stabilizers may range from 0.05 to 1 000, preferably from 0.1 to 500 and even more preferably from 1 to 200. Similarly, the concentration ratio of the amphiphilic polymer(s) according to the invention to the stabilizers may range from 0.05 to 1 000, preferably from 0.1 to 500 and even more preferably from 1 to 200.
Preferably, according to the invention, the concentration ratio of the amphiphilic polymer(s) according to the invention to the oxidizing agents is between 0.001 and 10, the amounts of the said polymers and oxidizing agents being expressed as active materials (hydrogen peroxide for the aqueous hydrogen peroxide solution). Even more preferably, this ratio is between 0.01 and 5 and even more particularly between 0.02 and 1.
CB-C
30 fatty alcohols According to the invention, the term "fatty alcohol" means any pure, saturated or unsaturated, linear or branched fatty alcohol.
Among these fatty alcohols, C 12
-C
22 fatty alcohols are preferred.
H,\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 Mention may be made among these of lauryl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol, behenyl alcohol, linoleyl alcohol, undecylenyl alcohol, palmitoleyl alcohol, linolenyl alcohol, arachidonyl alcohol and erucyl alcohol, and mixtures thereof.
Cetyl alcohol is more particularly preferred.
In the oxidizing emulsions according to the invention, the fatty alcohol concentration may range from about 0.1% to 30% by weight and more preferably from about 0.5% to 15% by weight relative to the total weight of the emulsion.
Nonionic and/or anionic surfactants The nonionic surfactants are compounds that are well known per se (see especially in this regard "Handbook of Surfactants" by M.R. Porter, published by Blackie Son (Glasgow and London), 1991, pp. 116-178) and, in the context of the present invention, their nature is not a critical factor. Thus, they may be chosen especially (non-limiting list) from polyethoxylated and polypropoxylated alcohols, a-diols and alkylphenols, with a fatty chain containing, for example, 8 to 18 carbon atoms, the number of ethylene oxide or propylene oxide groups possibly ranging especially from 2 to 50. Mention may also be made of copolymers of ethylene oxide and of propylene oxide, condensates of ethylene oxide and of propylene oxide with fatty alcohols; polyethoxylated fatty amides preferably containing from 2 to 30 mol of ethylene oxide, polyglycerolated fatty amides containing on average 1 to 5 and in particular 1.5 to 4 glycerol groups; glycerolated fatty alcohols; oxyethylenated fatty acid esters of sorbitan containing from 2 to mol of ethylene oxide; fatty acid esters of sucrose; fatty acid esters of polyethylene glycol, alkylpolyglycosides, N-alkylglucamine derivatives, and amine oxides such as (Co 1
-C
14 )alkylamine oxides or N-acylaminopropylmorpholine oxides.
H.\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 According to the invention, among the nonionic surfactants that are preferably used are glycerolated fatty alcohols. Glycerolated fatty alcohols especially have the following structure: RO H 2
-CH(CH
2 (IV) in which: R represents a saturated or unsaturated, linear or branched radical containing from 8 to 40 carbon atoms and preferably from 10 to 30 carbon atoms; m represents a number ranging from 1 to 30 and preferably from 1 to Compounds of this type that may be mentioned include lauryl alcohol containing 4 mol of glycerol (INCI name: Polyglyceryl-4 lauryl ether), lauryl alcohol containing 1.5 mol of glycerol, oleyl alcohol containing 4 mol of glycerol (INCI name: Polyglyceryl-4 oleyl ether), oleyl alcohol containing 2 mol of glycerol (INCI name: Polyglyceryl-2 oleyl ether), cetearyl alcohol containing 2 mol of glycerol, cetearyl alcohol containing 6 mol of glycerol, oleocetyl alcohol containing 6 mol of glycerol and octadecanol containing 6 mol of glycerol.
The fatty alcohol may represent a mixture of fatty alcohols in the same respect that the value of m represents a random value, which means that, in a commercial product, several species of polyglycerolated fatty alcohols may coexist in the form of a mixture.
The anionic surfactants that may be used, alone or as mixtures, in the context of the present invention, are especially (non-limiting list) salts (in particular alkali metal salts and especially sodium salts, ammonium salts, amine salts, amino alcohol salts or magnesium salts) of the following compounds: alkyl sulphates, alkyl ether sulphates, alkylamido ether sulphates, alkylarylpolyether sulphates and H.\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 monoglyceride sulphates; alkyl sulphonates, alkyl phosphates, alkylamide sulphonates, alkylaryl sulphonates, a-olefin sulphonates and paraffin sulphonates; (C 6
-C
24 alkyl sulphosuccinates, (C 6
-C
24 alkyl ether sulphosuccinates and (C 6
-C
24 alkylamide sulphosuccinates; (C 6
-C
24 )alkyl sulphoacetates; (C 6
-C
24 acyl sarcosinates and (C 6
-C
24 )acyl glutamates. It is also possible to use (C 6
-C
24 alkylpolyglycoside carboxylic esters such as alkylglucoside citrates, alkylpolyglycoside tartrates and alkylpolyglycoside sulphosuccinates, alkyl sulphosuccinamates; acyl isethionates and N-acyl taurates, the alkyl or acyl radical of all these various compounds preferably containing from 12 to 20 carbon atoms, and the aryl radical preferably denoting a phenyl or benzyl group.
Among the anionic surfactants that may also be used, mention may also be made of fatty acid salts such as oleic, ricinoleic, palmitic and stearic acid salts, and coconut oil or hydrogenated coconut oil acids; acyl lactylates in which the acyl radical contains from 8 to carbon atoms. It is also possible to use alkyl D-galactosideuronic acids and salts thereof, polyoxyalkylenated (C 6
-C
24 )alkyl ether carboxylic acids, polyoxyalkylenated (C 6
-C
24 )alkylaryl ether carboxylic acids and polyoxyalkylenated (C 6
-C
24 )alkylamido ether carboxylic acids and salts thereof, in particular those comprising from 2 to 50 alkylene oxide and in particular ethylene oxide groups, and mixtures thereof.
According to the invention, among the anionic surfactants that are preferably used are alkyl sulphates, alkyl ether sulphates and a-olefin sulphonates.
Mixtures of nonionic and anionic surfactants are more preferably used according to the invention.
The amounts of nonionic and/or anionic surfactants present in the emulsion according to the invention may range from about 0.1% to 30% and Hs\Lilda\Keep\speC\p51019 A008456.doc 16/10/03 preferably from about 0.5% to 15% of the total weight of the emulsion.
The oxidizing O/W cream emulsions according to the invention have a pH preferably ranging from 1 to 6 and more preferably from 2 to 4.
The pH of these emulsions according to the invention may be obtained and/or adjusted conventionally by adding either basifying agents, for instance aqueous ammonia, monoethanolamine, diethanolamine, triethanolamine, isopropanolamine, 1,3-propanediamine, an ammonium or alkali metal carbonate or bicarbonate, an organic carbonate such as guanidine carbonate, or an alkali metal hydroxide, it being possible, obviously, for all these compounds to be taken alone or as a mixture, or acidifying agents, for instance hydrochloric acid, phosphoric acid, acetic acid, lactic acid,' citric acid, tartaric acid and boric acid.
The O/W oxidizing cream emulsion may also comprise an effective amount of additives known for their use in oxidizing compositions for the oxidation dyeing of the hair or for bleaching and permanently reshaping the hair, such as preserving agents, sequestering agents such as EDTA, DTPA and etidronic acid, antifoams, for instance simethicone, cationic and amphoteric substantive polymers, water-soluble thickening polymers, fragrances and dyes to colour the emulsion.
Needless to say, a person skilled in the art will take care to select the optional additional compound(s) mentioned above, such that the advantageous properties intrinsically associated with the emulsion according to the invention are not, or are not substantially, adversely affected by the envisaged addition(s).
Another subject of the invention is a process for the oxidation dyeing of human keratin fibres and in particular the hair, using a dye composition H.\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 comprising, in a support that is suitable for dyeing the said fibres, at least one oxidation dye and an oxidizing emulsion as defined above.
According to this process, the said dye composition is applied to the fibres, the colour being revealed at acidic, neutral or alkaline pH with the aid of an oxidizing emulsion according to the invention that is applied simultaneously or sequentially, with or without intermediate rinsing. According to one particularly preferred embodiment of the dyeing process according to the invention, the dye composition is mixed, at the time of use, with an oxidizing emulsion according to the invention. The mixture obtained is then applied to the keratin fibres and is left in for 3 to 50 minutes approximately and preferably 5 to minutes approximately, after which the fibres are rinsed, washed with shampoo, rinsed again and dried.
The oxidizing composition according to the invention may also be used in a process for bleaching human keratin fibres and in particular the hair.
The bleaching process according to the invention comprises a step of applying an oxidizing emulsion according to the invention to the keratin fibres, this emulsion preferably comprising aqueous hydrogen peroxide solution in alkaline medium after extemporaneous mixing.
Conventionally, a second step of the bleaching process according to the invention is a step of rinsing the keratin fibres.
Another subject of the present invention is a process for permanently reshaping human keratin fibres and in particular the hair, using the oxidizing emulsion defined above as oxidizing composition.
According to this process, a reducing composition is applied to the keratin fibre to be treated, the keratin fibre being placed under mechanical tension before, during or after the said application, the fibre is optionally rinsed, the H,\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 oxidizing emulsion of the present invention is applied to the optionally rinsed fibre, and the fibre is then optionally rinsed again.
The first step of this process consists in applying a reducing composition to the hair. This application is performed lock by lock or to the whole head of hair.
The reducing composition comprises at least one reducing agent, which may be chosen in particular from thioglycolic acid, cysteine, cysteamine, glyceryl thioglycolate, thiolactic acid, or salts of thiolactic acid or of thioglycolic acid.
The usual step of placing the hair under tension in a shape corresponding to the final shape desired for the hair (for example curls) may be performed by any means, especially a mechanical means, that is suitable and known per se for keeping the hair under tension, for instance rollers, curlers and the like.
The hair may also be shaped without the aid of external means, simply with the fingers.
Before performing the next optional rinsing step, it is conventionally convenient to leave the head of hair, to which the reducing composition has been applied, at rest for a few minutes, generally between minutes and one hour and preferably between 10 and minutes, so to be sure to give the reducing agent the time to act correctly on the hair. This waiting phase preferably takes place at a temperature ranging from 350C to 450C, preferably while also protecting the hair with a hood.
In the second optional rinsing step, the hair impregnated with the reducing composition is rinsed thoroughly with an aqueous composition.
Next, in a third step, the oxidizing emulsion according to the present invention is applied to the hair thus rinsed, with the aim of fixing the new shape given to the hair.
H,\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 As in the case of the application of the reducing composition, the head of hair to which the oxidizing emulsion has been applied is then conventionally left in a resting or waiting phase that lasts a few minutes, generally between 3 and 30 minutes and preferably between 5 and 15 minutes.
If the hair was maintained under tension by external means, these means (rollers, curlers and the like) may be removed from the hair before or after the fixing step.
Finally, in the last step of the process according to the invention, which is also an optional step, the hair impregnated with the oxidizing composition is rinsed thoroughly, generally with water.
The examples that follow illustrate the invention without being limiting in nature.
H,\Linda\Keep\spec\P51019 A0084560.doc 16/10/03
EXAMPLES
The two oxidizing compositions A and B below were prepared (amounts expressed in grams of Active Material (AM*) Composition A Composition B of the prior according to art the invention Cetyl alcohol 3 3 Sodium lauryl sulphate 0.5 Oleyl alcohol glycerolated 0.45 0.45 with 2 mol of glycerol Oleyl alcohol glycerolated 0.35 0.35 with 4 mol of glycerol Antifoam: Simethicone 0.045 0.045 Sequestering agent: DTPA 0.06 0.06 Tetrasodium pyrophosphate 0.02 0.02 H20 Sodium stannate, 6 H20 0.04 0.04 Amphiphilic polymer according 0.05 to the invention** Aqueous 50% hydrogen peroxide 12 AM* 12 AM* solution Aqueous 85% phosphoric acid 3 3 solution qs...pH..
Demineralized water....qs... 100 100 **Copolymer of AMPS (80) /CI 6
-C
18 alkyl methacrylate oxyethylenated with 25 mol of ethylene oxide crosslinked with TMPTA, prepared and described in French patent application 2 818 543.
The change in the texture/viscosity of the 2 compositions A and B were monitored for seven weeks.
To quantify the change in the texture over time, the parameter Av has been defined.
Change in the texture over time: Av viscosity measured at time t viscosity measured 24 hours after manufacture.
H.\Linda\Keep\spec\P51019 A0084560.doc 16/10/03 The viscosities were measured using a rheomat, at a temperature of 25 0 C and with a No. 2 spindle. They are expressed in deviation units.
Mean over 3 manufactures (1 measurement per manufacture) standard deviation Time after 1 week 2 weeks 3 weeks 4 weeks 7 weeks manufacture Av 5.0 10.0 15.0 18.0 (2.1) Av 2.6 2.6 4.6 6.0 (1.2) These results demonstrate that composition B, in accordance with the invention, changes significantly less over time than the prior art composition A. In addition, it has been found that it shows better stability and will therefore maintain its use qualities better over time for use in dyeing, bleaching or permanently reshaping the hair.
After 7 weeks, composition B according to the invention also remains stable with respect to the aqueous hydrogen peroxide solution.
In the claims which follow and in the preceding description of the invention, except where the context requires otherwise due to express language or necessary implication, the word "comprise" or variations such as "comprises" or "comprising" is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.
It is to be understood that, if any prior art publication is referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country.
Ht\Linda\Keep\spec\P51019 A0084560.doc 16/10/03
Claims (34)
1. Oxidizing cream oil-in-water emulsion for treating keratin materials, characterized in that it comprises at least one oxidizing agent, at least one (C8- C 30 fatty alcohol, at least one nonionic and/or anionic surfactant and at least one amphiphilic polymer comprising at least one 2 -acrylamido-2-methylpropanesulphonic acid unit in free form or partially or totally neutralized form of formula below and at least one hydrophobic unit containing from 6 to 50 carbon atoms, 0 NH- -CH 2 SO 3 X+ CH 3 in which X is a proton, an alkali metal cation, an alkaline-earth metal cation or an ammonium ion.
2. Emulsion according to Claim 1, characterized in that the hydrophobic unit of the amphiphilic polymer contains from 12 to 22 carbon atoms.
3. Emulsion according to either of the preceding claims, characterized in that the amphiphilic polymers have a number-average molecular weight ranging from 1 000 to 20 000 000 g/mol.
4. Emulsion according to any one of the preceding claims, characterized in that an aqueous 1% by weight solution of the said polymers has, at a temperature of 25 0 C, a viscosity measured using a Brookfield viscometer, No. 7 needle, ranging from 20 000 mPa.s to 100 000 mPa.s. Emulsion according to any one of the preceding claims, characterized in that the amphiphilic polymers are prepared by free-radical polymerization by precipitation in tert-butanol. H:\jolzik\keep\Speci\2003254767.doc 22/06/05 25
6. Emulsion according to any one of the preceding claims, characterized in that the amphiphilic polymers are crosslinked or non-crosslinked.
7. Emulsion according to Claim 6, characterized in that the crosslinking agent(s) is(are) chosen from polyolefinically unsaturated compounds.
8. Emulsion according to Claim 7, characterized in that the crosslinking agent(s) is(are) chosen from methylenebisacrylamide, allyl methacrylate and trimethylolpropane triacrylate (TMPTA).
9. Emulsion according to any one of the preceding claims, characterized in that the hydrophobic unit is chosen from acrylates and acrylamides of formula (II) below: Ri -CH 2 C (II) o= Y CH 2 -CH(R 3 x in which RI and R 3 which may be identical or different, denote a hydrogen atom or a linear or branched Ci-C 6 alkyl radical; Y denotes O or NH; R 2 denotes a hydrophobic hydrocarbon-based radical containing from 6 to 50 carbon atoms; x denotes a number of moles of alkylene oxide and ranges from 0 to 100. Emulsion according to Claim 9, characterized in that the hydrophobic radical R 2 is chosen from linear, branched or cyclic C 6 -C 18 alkyl radicals; C 6 C 18 perfluoroalkyl radicals; the cholesteryl radical or a cholesterol ester; aromatic polycyclic groups.
11. Emulsion according to either of Claims 9 and 10, characterized in that the unit of formula (II) also comprises at least one alkylene oxide unit (x 1). H:\jolzik\keep\Speci\2003254767.doc 22/06/05 26
12. Emulsion according to any one of Claims 9 to 11, characterized in that the unit of formula (II) also comprises at least one polyoxyalkylenated chain.
13. Emulsion according to Claim 12, characterized in that the polyoxyalkylenated chain consists of ethylene oxide units and/or of propylene oxide units.
14. Emulsion according to Claim 13, characterized in that the polyoxyalkylenated chain consists solely of ethylene oxide units. Emulsion according to any one of Claims 9 to 14, characterized in that the number of oxyalkylene units ranges from 3 to 100.
16. Emulsion according to either of Claims 9 and 10, characterized in that the amphiphilic AMPS polymer is chosen from: crosslinked or noncrosslinked, neutralized or non- neutralized copolymers comprising from 15% to 60% by weight of AMPS units and from 40% to 85% by weight of (C 8 C 16 alkyl (meth) acrylamide units or of (C 8 -C 16 )alkyl (meth)acrylate units, relative to the polymer; terpolymers comprising from 10 mol% to 90 mol% of acrylamide units, from 0.1 mol% to 10. mol% of AMPS units and from 5 mol% to 80 mol% of n-(C 6 -Cis)alkylacrylamide units, relative to the polymer.
17. Emulsion according to either of Claims 9 and 10, characterized in that the amphiphilic AMPS polymer is chosen from: non-crosslinked and crosslinked copolymers of partially or totally neutralized AMPS and of n-dodecyl methacrylate; non-crosslinked and crosslinked copolymers of partially or totally neutralized AMPS and of n-dodecyl- methacrylamide.
18. Emulsion according to any one of Claims 9 to 15, characterized in that the amphiphilic AMPS polymer is chosen from copolymers consisting of 2-acrylamido-2- H:\jolzik\keep\Speci\2003254767.doc 22/06/05 27 methylpropanesulphonic (AMPS) acid units of formula (I) and of units of formula (III) below: 7' -CH, 2 0= c O--c 0--f CH,-CH,-0O R in which x denotes an integer ranging from 3 to 100; RI has the same meaning as that given above in formula (II) and R 4 denotes a linear or branched C6-C22 alkyl.
19. Emulsion according to Claim 18, characterized in that x 25, RI is methyl and R 4 is C16-C18 or C22.
20. Emulsion according to Claim 9 or 18, characterized in that the molar percentage proportion of the units of formula (II) or of the units of formula (III) in the polymers ranges from 50.1% to 99.9%.
21. Emulsion according to Claim 9 or 18, characterized in that the molar percentage proportion of the units of formula (II) or of the units of formula (III) in the polymers ranges from 0.1% to
22. Emulsion according to any one of the preceding claims, characterized in that the amphiphilic polymers are present in concentrations ranging from 0.01% to 10% by weight, relative to the total weight of the emulsion.
23. Emulsion according to any one of the preceding claims, characterized in that the oxidizing agent is chosen from hydrogen peroxide, urea peroxide, alkali metal bromates or ferricyanides, persalts or mixtures thereof, or redox enzymes, where appropriate in the presence of the respective donor or co-factor thereof.
24. Emulsion according to any one of the preceding claims, characterized in that the oxidizing agent is hydrogen peroxide. H:\jolzik\keep\Speci\2003254767.doc 22/06/05 28 Emulsion according to Claim 24, characterized in that the hydrogen peroxide concentration ranges from 0.15% to 12% by weight relative to the total weight of the emulsion.
26. Emulsion according to Claim 24, characterized in that the oxidizing agent is aqueous hydrogen peroxide solution.
27. Emulsion according to any one of the preceding claims, characterized in that the oxidizing agent concentration ranges from 0.1% to 25% by weight relative to the total weight of the emulsion.
28. Emulsion according to any one of the preceding claims, characterized in that its pH ranges from 1 to 6.
29. Emulsion according to any one of the preceding claims, characterized in that the fatty alcohol(s) is(are) C 12 -C 22 Emulsion according to Claim 29, characterized in that the fatty alcohol is cetyl alcohol.
31. Emulsion according to any one of the preceding claims, characterized in that the fatty alcohol(s) is(are) present in concentrations ranging from 0.1% to 30% by weight relative to the total weight of the emulsion.
32. Emulsion according to any one of the preceding claims, characterized in that the anionic surfactant(s) is(are) chosen from alkyl sulphates, alkyl ether sulphates and a-olefin sulphonates.
33. Emulsion according to any one of Claims 1 to 31, characterized in that the nonionic surfactant(s) is(are) chosen from glycerolated fatty alcohols.
34. Emulsion according to any one of the preceding claims, characterized in that the surfactant(s) is(are) chosen from mixtures of nonionic and anionic surfactants. Emulsion according to any one of the preceding claims, characterized in that the surfactant(s) H:\jolzik\keep\Speci\2003254767.doc 22/06/05 29 is(are) present in concentrations ranging from 0.1% to by weight relative to the total weight of the emulsion.
36. Process for the oxidation dyeing of human keratin fibres using a dye composition comprising, in a support that is suitable for dyeing keratin fibres, at least one oxidation dye and an oxidizing emulsion as defined in any one of Claims 1 to
37. Dyeing process according to Claim 36, according to which the dye composition is mixed, at the time of use, with the oxidizing emulsion; the mixture obtained is then applied to the keratin fibres and it is left in for 3 to 50 minutes approximately, after which the fibres are rinsed, washed with shampoo, rinsed again and dried.
38. Dyeing process according to Claim 36, according to which the dye composition and the oxidizing emulsion are applied sequentially, with or without intermediate rinsing.
39. Process for treating human keratin fibres in order to permanently reshape these fibres, this process comprising the following steps: a reducing composition is applied to the keratin material to be treated, the keratin fibre being placed under mechanical tension before, during or after the said application, (ii) the keratin fibre is optionally rinsed, (iii) an oxidizing emulsion as defined in one of Claims 1 to 35 is applied to the optionally rinsed keratin fibre, (iv) the keratin fibre is optionally rinsed again. Process for bleaching human keratin fibres, comprising the following steps: i) an oxidizing emulsion according to any one of Claims 1 to 35 is applied to the keratin fibre, ii) the keratin fibre thus treated is rinsed.
41. Use of an amphiphilic polymer as defined in any one of Claims 1 to 21, to stabilize the viscosity of an oxidizing oil-in-water emulsion comprising at least one H:\jolzik\keep\Speci\2003254767.doc 22/06/05 30 fatty alcohol and at least one nonionic and/or anionic surfactant. Dated this 22nd day of June 2005 L'OREAL By their Patent Attorneys GRIFFITH HACK Fellows Institute of Patent and Trade Mark Attorneys of Australia H:\jolzik\keep\Speci\2003254767.doc 22/06/05
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0213240 | 2002-10-23 | ||
| FR0213240A FR2846233B1 (en) | 2002-10-23 | 2002-10-23 | OXIDIZING CREAM, OIL-IN-WATER EMULSION FOR THE TREATMENT OF HUMAN KERATINIC FIBERS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2003254767A1 AU2003254767A1 (en) | 2004-05-13 |
| AU2003254767B2 true AU2003254767B2 (en) | 2005-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2003254767A Ceased AU2003254767B2 (en) | 2002-10-23 | 2003-10-17 | Oil-in-water oxidizing cream emulsion for treating human keratin fibres |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP1415641B1 (en) |
| JP (1) | JP2004143178A (en) |
| KR (1) | KR100578775B1 (en) |
| CN (1) | CN1251663C (en) |
| AT (1) | ATE348594T1 (en) |
| AU (1) | AU2003254767B2 (en) |
| BR (1) | BR0304036A (en) |
| CA (1) | CA2444983A1 (en) |
| DE (1) | DE60310502T2 (en) |
| ES (1) | ES2278127T3 (en) |
| FR (1) | FR2846233B1 (en) |
| MX (1) | MXPA03009629A (en) |
| PL (1) | PL363002A1 (en) |
| RU (1) | RU2262917C2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2940079B1 (en) * | 2008-12-19 | 2011-02-18 | Oreal | COMPOSITION COMPRISING AT LEAST ONE SOLID FATTY ALCOHOL, METHOD FOR COLORING THE SAME AND DEVICES THEREOF |
| FR2984738B1 (en) | 2011-12-21 | 2013-12-20 | Oreal | OXIDIZING COMPOSITION FOR THE TREATMENT OF KERATIN FIBERS COMPRISING A MINERAL SALT OF PHOSPHORIC ACID, AND METHODS |
| US8852239B2 (en) | 2013-02-15 | 2014-10-07 | Roger P Jackson | Sagittal angle screw with integral shank and receiver |
| EP3021828B1 (en) * | 2013-07-19 | 2019-01-09 | L'oreal | Dye composition comprising a particular amphoteric surfactant and a particular thickening polymer |
| CN105377224B (en) | 2013-07-19 | 2021-02-12 | 莱雅公司 | Dyeing composition |
| FR3008614B1 (en) | 2013-07-19 | 2015-07-31 | Oreal | COLORING COMPOSITION COMPRISING PARTICULAR AMPHOTERE ACTIVE TENSIO AND SULFATE SURFACTANT |
| FR3008612B1 (en) * | 2013-07-19 | 2015-07-17 | Oreal | COLORING COMPOSITION COMPRISING PARTICULAR AMPHOTERE ACTIVE TENSIO AND PARTICULAR THICKENING POLYMER |
| US11253445B1 (en) * | 2020-02-28 | 2022-02-22 | Bright International, Llc | Oxidative hair color remover in tablet or pellet form |
| FR3128118A1 (en) * | 2021-10-14 | 2023-04-21 | L'oreal | Hair treatment method comprising the application of an oil-in-water emulsion comprising an aqueous phase, a fatty phase and a polymer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1264797A (en) * | 1959-08-08 | 1961-06-23 | Therachemie Chem Therapeut | Agents for the oxidative treatment of hair |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2818543B1 (en) * | 2000-12-22 | 2005-09-02 | Oreal | OXIDATIVE COMPOSITION FOR THE TREATMENT OF KERATINIC MATERIALS BASED ON AMPHIPHILIC POLYMERS OF AT LEAST ONE SULFONICALLY GROUPED ETHYLENE UNATURATED MONOMER AND COMPRISING A HYDROPHOBIC PART |
-
2002
- 2002-10-23 FR FR0213240A patent/FR2846233B1/en not_active Expired - Fee Related
-
2003
- 2003-10-16 AT AT03292579T patent/ATE348594T1/en not_active IP Right Cessation
- 2003-10-16 DE DE60310502T patent/DE60310502T2/en not_active Expired - Lifetime
- 2003-10-16 ES ES03292579T patent/ES2278127T3/en not_active Expired - Lifetime
- 2003-10-16 EP EP03292579A patent/EP1415641B1/en not_active Expired - Lifetime
- 2003-10-17 AU AU2003254767A patent/AU2003254767B2/en not_active Ceased
- 2003-10-20 CA CA002444983A patent/CA2444983A1/en not_active Abandoned
- 2003-10-21 MX MXPA03009629A patent/MXPA03009629A/en not_active Application Discontinuation
- 2003-10-21 PL PL03363002A patent/PL363002A1/en not_active IP Right Cessation
- 2003-10-22 CN CNB2003101196209A patent/CN1251663C/en not_active Expired - Fee Related
- 2003-10-22 KR KR1020030073970A patent/KR100578775B1/en not_active IP Right Cessation
- 2003-10-22 RU RU2003131172/15A patent/RU2262917C2/en not_active IP Right Cessation
- 2003-10-22 BR BR0304036-4A patent/BR0304036A/en not_active IP Right Cessation
- 2003-10-23 JP JP2003363421A patent/JP2004143178A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1264797A (en) * | 1959-08-08 | 1961-06-23 | Therachemie Chem Therapeut | Agents for the oxidative treatment of hair |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2846233B1 (en) | 2004-12-10 |
| KR100578775B1 (en) | 2006-05-12 |
| JP2004143178A (en) | 2004-05-20 |
| EP1415641B1 (en) | 2006-12-20 |
| FR2846233A1 (en) | 2004-04-30 |
| RU2262917C2 (en) | 2005-10-27 |
| ES2278127T3 (en) | 2007-08-01 |
| CN1251663C (en) | 2006-04-19 |
| CN1496732A (en) | 2004-05-19 |
| MXPA03009629A (en) | 2005-04-19 |
| PL363002A1 (en) | 2004-05-04 |
| CA2444983A1 (en) | 2004-04-23 |
| DE60310502T2 (en) | 2007-10-04 |
| BR0304036A (en) | 2004-09-08 |
| ATE348594T1 (en) | 2007-01-15 |
| EP1415641A1 (en) | 2004-05-06 |
| AU2003254767A1 (en) | 2004-05-13 |
| DE60310502D1 (en) | 2007-02-01 |
| RU2003131172A (en) | 2005-04-10 |
| KR20040036597A (en) | 2004-04-30 |
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