Abstract: The present invention relates to a process for stripping keratin fibres, and in particular human keratin fibres such as the hair, dyed with oxidation dyes and/or direct dyes, using a composition obtained by extemporaneous mixing of an anhydrous or aqueous composition (A) comprising at least one suitably selected sulfinic acid derivative and an aqueous composition (B) with a pH of less than (5), comprising at least one organic acid other than the compounds of formula (I), with a pKa of less than or equal to (4) when the composition (A) is aqueous, the pH of the mixture of the two compositions (A) and (B) being less than or equal to (5). The invention also relates to a composition for stripping the artificial colour from keratin fibres, comprising at least one suitably selected sulfinic acid derivative and at least one thickener chosen from anionic polymers and nonionic polymers.

Abstract: The present invention relates to a non-colouring composition comprising: one or more sulfureous reducing agents, the sulfureous reducing agent(s) being present in proportions ranging from 1.0% to 50.0% by weight relative to the total weight of the composition; one or more phosphoric surfactants; one or more nonionic surfactants other than the phosphoric surfactants; and at least 5.0% by weight of non-liquid fatty substance relative to the total weight of the composition. The invention also relates to a process for permanently reshaping keratin fibres using the composition.

Abstract: The present invention relates to a cosmetic composition comprising: —a fatty phase comprising at least one oil; —an aqueous phase comprising at least one aqueous-phase thickener, the two phases being visually distinct.

Abstract: The present invention relates to a process for stripping keratin fibres, and in particular human keratin fibres such as the hair, dyed with oxidation dyes and/or direct dyes, using a composition obtained by extemporaneous mixing of an anhydrous or aqueous composition (A) comprising at least one suitably selected sulfinic acid derivative and an aqueous composition (B) with a pH of less than (5), comprising at least one organic acid other than the compounds of formula (I), with a pKa of less than or equal to (4) when the composition (A) is aqueous, the pH of the mixture of the two compositions (A) and (B) being less than or equal to (5). The invention also relates to a composition for stripping the artificial colour from keratin fibres, comprising at least one suitably selected sulfinic acid derivative and at least one thickener chosen from anionic polymers and nonionic polymers.

Abstract: The present disclosure relates to compositions for the bleaching of keratinous fibers comprising at least one peroxygenated salt and at least one non-volatile liquid branched ester of a carboxylic acid, the solidification point of which is below 4° C., chosen from the compounds with the following structure: R1—CO—O—R2, wherein R1 and R2 are each independently chosen from a C1-C30 hydrocarbon chain optionally interrupted by at least one oxygen atom and/or by at least one carbonyl group and optionally substituted by at least one hydroxyl groups, R1 being branched. The composition disclosed herein for the bleaching of keratinous fibers exhibits an improved resistance to low temperatures and makes it possible to avoid the problem of syneresis during storage at low temperatures and during transportation in which temperature cycles occur.

Abstract: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.

Abstract: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.

Abstract: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.

Abstract: The invention concerns a cosmetic composition for treating keratinous materials comprising in a carrier suitable for keratinous materials: (a) at least an amphiphilic polymer comprising at least an ethylenically unsaturated monomer with sulphonic group, in free form or partly or completely neutralized and further at least a hydrophobic part; (b) at least an oxidizing agent.

Abstract: The disclosure provides compositions for simultaneously bleaching and dyeing keratin fibers, comprising at least one direct dye chosen from anionic and nonionic dyes, with the exception of 7-(6?-methylphenylazo)-1-acetamido-3,6-disulfo-8-hydroxynaph-thalene, ortho-nitroanilines substituted meta to the amino group, quinoline and quinoline derivatives, and addition salts thereof, at least one associative polymer, at least one peroxygenated salt and at least one alkaline agent, to processes for simultaneously bleaching and dyeing keratin fibers using the compositions, and to uses of the compositions for simultaneously bleaching and dyeing keratin fibers. The compositions are suitable for dark hair. They are easy to use and can produce chromatic and fast coloration.

Abstract: A ready-to-use oxidizing composition for treating keratin materials, such as human keratin fibers, in particular the hair, comprising, in a cosmetically acceptable medium: (a) at least one oxidizing agent, (b) at least 30% by weight of at least one water-insoluble oxygenated organic no-dyeing particular compound relative to the total weight of the said composition, and (c) at least 20% by weight of water relative to the total weight of the said composition, and to processes for bleaching, stripping, dyeing, lightening or permanently reshaping human keratin fibers and in particular the hair, and also to the use of the said composition for bleaching, stripping, dyeing, lightening and permanently reshaping human keratin fibers and in particular the hair.

Abstract: The present disclosure relates to a composition for simultaneously bleaching and dyeing keratin fibers, comprising at least one direct dye chosen from anionic dyes, nonionic dyes, and addition salts thereof, with the exception of 7-(6?-methylphenylazo)-1-acetamido-3,6-disulfo-8-hydroxynaphthalene, ortho-nitroanilines substituted meta to the amino group, quinoline and quinoline derivatives, and addition salts thereof, at least one inert organic liquid, at least one peroxygenated salt and at least one alkaline agent. The disclosure also relates to a process for simultaneously bleaching and dyeing keratin fibers using this composition.

Abstract: The present invention relates to an aqueous composition for bleaching keratin fibers, and in particular human keratin fibers such as the hair, having a viscosity of less than 2×103 poises and comprising, in a cosmetically acceptable medium, hydrogen peroxide and at least 20% by volume of suitably selected inert particles, to a bleaching process using this composition, and also to the use of this composition for bleaching keratin fibers. The composition in accordance with the invention makes it possible rapidly to obtain substantial lightening of keratin fibers, while at the same time limiting the degradation of the keratin fibers and the skin irritation.

Abstract: The invention relates to the use, for dyeing keratin fibers, of at least one latent pigment, which is soluble in a medium that is suitable for dyeing, and which can be chemically, thermally or photochemically converted in the fibers into water-insoluble pigments, of formula A(B)x with A representing the chromophoric radical of dyes, and B representing a hydrogen atom or a group of formula (II) with Z representing a cationic water-solubilizing group Z+ or a polyethylene glycol residue, Y representing a hetero atom, F and F? representing a linear or branched C1-C14 alkylene chain, which may contain hetero atoms and may be substituted with one or more hydroxyl, amino or halogen groups. The invention also relates to processes for dyeing keratin fibers using latent pigments, to particular compositions containing them and to multi-compartment dyeing devices or “kits”.

Abstract: Disclosed herein is a composition for the non-oxidizing aqueous direct dyeing of keratin materials, for example, human keratin fibers, such as the hair, comprising, in a cosmetically acceptable medium: (a) at least one water-soluble direct dye, and (b) at least one water-insoluble non-coloring oxygenated organic compound, present in an amount of at least 30% by weight relative to the total weight of the composition. Also disclosed herein is a process for direct dyeing keratin fibers comprising applying said composition to the fibers.

Abstract: The invention relates to an invert emulsion for bleaching keratin fibres and, in particular, human keratin fibres, such as hair. According to the invention, the emulsion consists of an inert phase comprising at least one non-oxygenated, non-perfluorinated liquid compound having a water solubility at 25° C. of less than 1% and an aqueous solution of hydrogen peroxide, said inert phase representing at least 20 wt.-% of the total weight of the invert emulsion and the volume-average diameter of the dispersed aqueous phase being greater than 200 nm. The invention also relates to a bleaching method which employs the inventive invert emulsion either as it is or in the form of a ready-to-use composition and to the use of said emulsion for bleaching keratin fibres. The inventive emulsion can be used to lighten keratin fibres quickly and significantly while limiting damage to said fibres and skin irritation.

Abstract: The present disclosure relates to compositions for the bleaching of keratinous fibers comprising at least one peroxygenated salt and at least one non-volatile liquid branched ester of a carboxylic acid, the solidification point of which is below 4° C., chosen from the compounds with the following structure: R1—CO—O—R2, wherein R1 and R2 are each independently chosen from a C1-C30 hydrocarbon chain optionally interrupted by at least one oxygen atom and/or by at least one carbonyl group and optionally substituted by at least one hydroxyl groups, R1 being branched. The composition disclosed herein for the bleaching of keratinous fibers exhibits an improved resistance to low temperatures and makes it possible to avoid the problem of syneresis during storage at low temperatures and during transportation in which temperature cycles occur.

Abstract: A direct emulsion for bleaching keratin fibers, preferably human keratin fibers such as hair, having an inert phase containing of a nonoxygenated and nonperfluorinated liquid compound having a water-solubility at 25° C. of less than 1% and an aqueous hydrogen peroxide solution, a bleaching method using this direct emulsion, as it is or in the form of a ready-to-use composition, and the use of this direct emulsion for bleaching keratin fibers. The direct emulsion in accordance with the invention makes it possible to rapidly obtain substantial lightening of keratin fibers while limiting the degradation of the keratin fibers and skin irritation.

Abstract: The present invention relates to an aqueous composition for bleaching keratin fibres, and in particular human keratin fibres such as the hair, having a viscosity of less than 2×103 poises and comprising, in a cosmetically acceptable medium, hydrogen peroxide and at least 20% by volume of suitably selected inert particles, to a bleaching process using this composition, and also to the use of this composition for bleaching keratin fibres. The composition in accordance with the invention makes it possible rapidly to obtain substantial lightening of keratin fibres, while at the same time limiting the degradation of the keratin fibres and the skin irritation.

Abstract: The present disclosure relates to a composition for bleaching and simultaneously dyeing keratin fibers, comprising at least one dye chosen from meta-substituted ortho-nitroanilines and addition salts thereof, at least one peroxygenated salt and at least one alkaline agent. The present disclosure further relates to the process for bleaching and dyeing keratin fibers using this composition, and also to the use of this composition for bleaching and simultaneously dyeing keratin fibers.