Loreal Sa

L'oreal

Sylvain Kravtchenko

Alain Lagrange

Claude Dubief

Frédéric Guerin

Andrew Greaves

Boris Lalleman

Frédéric Simonet

Francis Pruche

Gautier Deconinck

Damarys Braida-Valerio

Frederic Legrand

Gr&eacute;gory Plos

Céline Sellier

Fréderic Legrand

Laure Jouffroy-Wendlinger

Christophe Courbriere

Valérie Bonnardel

Maud Mario

Charlotte Roulet

Bonnardel Valérie

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. The compositions used in the context of the invention afford efficient stripping, especially in terms of power, of the artificial colour of keratin fibres dyed with a wide range of oxidation dyes and/or direct dyes. They do not induce lightening of the natural base of the keratin fibres and limit the sensitization of the keratin fibres. They apply well to the hair, uniformly, which makes it possible to obtain regular stripping of the colour along the entire fibre.

Process for stripping keratin fibres using a composition comprising a sulfinic acid derivative and an acidic aqueous composition

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.

Dye composition comprising at least one insoluble compound and processes using this composition

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.

Oxidizing composition for treating keratin materials based on amphiphilic polymers of at least one ethylenically unsaturated monomer with a sulphonic group and comprising a hydrophobic portion

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.

Composition for simultaneously bleaching and dyeing keratin fibers, comprising at least one anionic or nonionic direct dye and at least one associative polymer

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.

Oxidizing composition comprising insoluble compounds, and processes using this composition

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.

Composition for simultaneously bleaching and dyeing keratin fibers, comprising at least one dye chosen from anionic and nonionic dyes and at least one inert organic liquid

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&#xd7;10poises 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.

Aqueous composition comprising hydrogen peroxide and inert particles

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 formulaA(B) 

Use of latent pigments for high-remanence dyeing, composition containing the said pigments and processes using them

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.

Direct dye composition comprising at least one insoluble oxygenated compound, and processes using this composition

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&#xb0; 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.

Direct emulsion for bleaching hair

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.

Composition for bleaching and simultaneously dyeing keratin fibers, comprising meta-substituted ortho-nitroaniline

Disclosed herein are methods for dyeing keratin fibers, for example human keratin fibers such as hair, comprising applying to the keratin fibers a dye composition comprising, as a direct dye, at least one organosilane compound chosen from compounds of formula (I): Also disclosed herein are dye compositions for dyeing keratin fibers comprising at least one organosilane compound of formula (I) and at least one oxidation base.

Use of organosilane compounds for dyeing keratin fibers

The invention concerns an oxidation dyeing composition for keratinous fibres, in particular for human keratinous fibres and more particularly hair, comprising, in a medium suited for dyeing, at least an oxidation dyeing agent, and also at least an amphiphilic polymer including at least an ethylenically unsaturated monomer with a sulphonic group, in free form or partly or completely neutralised and further at least a hydrophobic part. The invention also concerns dyeing methods and devices using said composition.

Oxidation dyeing composition for keratinous fibres based on amphiphilic polymers of at least an ethylenically unsaturated monomer with sulphonic group and comprising a hydrophobic part

Disclosed herein is a composition for dyeing keratinous fibers, comprising at least one direct dye corresponding to the following formula (I): in which Rand Rmay be chosen from hydrogen atoms; Rmay be a phenyl group, n may chosen from 0 and 1; Rand Rmay be alkyl groups having 1 to 6 carbon atoms; Rmay be chosen from phenol groups and aniline groups; X and Y may represent nitrogen atoms, wherein the group &#x2014;NRRmay occupy a position chosen from the 1-, 6-, 8-, and 9-position when n is equal to 1; and A is an anionic counterion. Further disclosed herein are methods for dyeing keratinous fibers using these direct dyes.

Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye which is non-aminated at the 7-position and dyeing method using said at least one azodiazine direct dye

Growing community of inventors

Asnieres, France

Sylvain Kravtchenko