Loreal Sa

L'oreal

Florence Laurent

Patricia Desenne

Cecile Bebot

François Cottard

Delphine Allard

Jean-Marc Ascione

Marie-Pascale Audousset

Roland De La Mettrie

Leïla Hercouet

Caroline Goget

Frédéric Simonet

Luc Nicolas-Morgantini

Damarys Braida-Valerio

Cécile Bebot

Irène Fonseca

The application relates to a packaging system for a hair coloring product containing: i) at least one container () holding a composition comprising at least one hair colorant, said composition forming or intended to form a hair coloring product; and ii) at least one test device () designed to perform a patch test and incorporating a tube () delimiting an internal space containing a dose of said composition, the tube incorporating an outlet aperture () and being arranged to cause said composition to be expelled from said outlet aperture () in response to excess pressure within the internal space of the tube or when the latter is vented via at least one passage separate from the outlet aperture ().

Hair coloring system and test device capable of being used in such a system

The present invention provides a dyeing composition comprising, in a cosmetically acceptable medium, one or more oxidation dyes, aqueous ammonia, ammonium chloride and one or more additives selected from ceramides, silicas, ascorbic acid and/or its salts, fatty acids and/or salts thereof, alkanolamines and/or salts thereof, crosslinked homopolymers of acrylic acid, copolymers of dialkyldiallylammonium chloride and acrylic acid, and particular cationic polymers, or mixtures thereof. It likewise provides a method of colouring human keratin fibres, employing the said composition in the presence of a composition comprising one or more oxidizing agents. The invention further provides a multiple-compartment device appropriate to the implementation of the said method, comprising in a first compartment a dyeing composition according to the invention and in another compartment a composition comprising one or more oxidizing agents.

Dyeing composition comprising ammonium chloride, method of colouring keratin fibers, and device

Provided is a ready-to-use composition for the oxidation dyeing of keratin fibers, and for example of human keratin fibers such as the hair, comprising, A) at least one fatty substance other than fatty acids present in the ready-to-use composition in an amount of greater than or equal to 25% by weight relative to the total weight of the ready-to-use composition, B) at least one polymeric thickener, C) at least one dye precursor, D) at least one oxidizing agent and E) at least one alkaline agent wherein at least one of the at least one alkaline agent is an organic amine. Also provided is a method of dyeing keratin fibers, comprising applying the ready-to-use composition to the keratin fibers for a sufficient time to develop the desired coloration.

Ready-to-use composition for oxidation dyeing of keratin fibers comprising at least one fatty substance, at least one thickener, at least one dye precursor, at least one oxidizing agent, and at least one alkaline agent, and process and kits therewith

The present disclosure relates to a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one first oxidation base chosen from 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and the addition salts thereof, at least one second oxidation base chosen from para-phenylenediamines, at least one coupler chosen from meta-aminophenols and at least one oxidizing agent, the pH of the composition ranging from 5.5 to 7.5. The present disclosure makes it possible to obtain a coloration on keratin fibers with tints in red, coppery or mahogany tones that are sufficiently visible on natural or dyed hair and uniform from the roots to the ends.

Dye composition of acidic pH comprising 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, a para-phenylenediamine, a meta-aminophenol and an oxidizing agent, and processes for dyeing keratin fibers using the composition

Disclosed herein are compositions for dyeing keratin fibers, for example human keratin fibers such as the hair, comprising 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2 -a]pyrazol-1-one or an addition salt thereof, at least one oxidation base, at least one coupler, at least one surfactant chosen from oxyalkylenated or glycerolated fatty alcohols, anionic surfactants of sulfate or sulfonate type and amphoteric surfactants of betaine type, and at least one oxidizing agent, the pH of the composition ranging from 5.5 to 7.5. The compositions disclosed herein make it possible to obtain coloration on keratin fibers with tints in red, coppery or mahogany tones that are sufficiently visible on natural or dyed hair and/or uniform from the roots to the ends.

Dye composition of acidic pH comprising 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, a coupler, a particular surfactant and an oxidizing agent and processes and kits using said composition

The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one fatty alcohol (C-C) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.

Composition useful for the oxidation dyeing of keratin fibres, containing a polyoxyalkylenated carboxylic acid ether, a mono- or polyglycerolated surfactant and an unsaturated fatty alcohol

The invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one associative polymer and at least one fatty alcohol (C&#x2013;C) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.

Composition for the oxidation dyeing of keratin fibres, comprising a polyoxyalkylenated carboxylic acid ether, an associative polymer and an unsaturated fatty alcohol

The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, comprising, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, and at least one quaternized cellulose comprising at least one fatty chain. The invention also relates to the dyeing devices and processes using the said composition.

Composition for the oxidation dyeing of keratin fibres, comprising an oxyalkylenated carboxylic acid ether and a fatty-chain quaternized cellulose

The invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers and more particularly the hair, comprising, in a medium that is suitable for dyeing, at least one oxidation dye, characterized in that it comprises more than 5% by weight of the composition of at least one oxyethylenated rapeseed fatty acid amide. The invention also relates to the dyeing processes and devices using the said composition.

Dyeing composition for keratinous fibers comprising an oxyethylene rapeseed fatty acid amide

The invention relates to a composition for the oxidation dyeing of keratin fibers, preferably of human keratin fibers and more particularly the hair, containing, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one nonionic oxyalkylenated surfactant. The invention also relates to the dyeing devices and processes using the composition.

Composition for the oxidation dyeing of keratin fibres, comprising an oxyalkylenated carboxylic acid ether, a mono- or polyglycerolated surfactant and a nonionic oxyalkylenated surfactant

The invention relates to a composition useful for the oxidation dyeing of keratin fibers, in particular of human keratin fibers and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one nonionic surfactant and at least one cationic or amphoteric polymer whose cationic charge density is greater than or equal to 2 meq/gram. The invention also relates to the dyeing devices and processes using the composition.

Composition useful for the oxidation dyeing of keratin fibres, containing an oxyalkylenated carboxylic acid ether, a nonionic surfactant and a particular polymer

The invention relates to an oxidation dyeing process for human keratin fibers, which comprises applying to the fibers a dye composition (A) containing, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers; developing the color in alkaline, neutral or acidic medium using an oxidizing composition (B) containing an oxidizing agent, at least one of the compositions (A) and (B) also containing an effective amount of at least one cationic amphiphilic polymer chosen from quaternized celluloses modified with groups containing at least one fatty chain, chosen from alkyl, arylalkyl and alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof, and quaternized hydroxyethylcelluloses modified with groups containing at least one fatty chain, chosen from alkyl, arylalkyl and alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof; the compositions (A) and (B) being mixed together immediately before use or applied one after the other to the keratin fibers.

Oxidation dyeing process and oxidation dye composition for keratin fibers which comprises a cationic amphiphilic polymer

Compositions for oxidation dyeing of keratinous fibers, for example, human keratinous fibers such as hair, further such as human hair, comprising, in a medium suitable for dyeing, at least one oxidation dye, at least one cationic amphiphilic polymer comprising at least one fatty chain, and a combination comprising: (I) at least one compound chosen from oxyalkylenated and glycerolated fatty alcohols and (II) at least one hydroxylated solvent, wherein the hydroxylated solvent may have a molecular weight of less than 250, and wherein the weight ratio of (I) to (II) is greater than 1:1 and dyeing processes and devices, such as kits, comprising such compositions.

Composition for the oxidation dyeing of keratinous fibers comprising at least one oxidation dye and at least one cationic amphiphilic polymer, and dyeing methods

The invention relates to a process for improving the color fastness of a dyed keratin fiber comprising applying to said fiber (a) at least one dye composition containing, in a medium suitable for dyeing, at least one oxidation base selected from bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases and para-phenylenediamines of formula (I), and the addition salts of these compounds with an acid:

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Bois Colombes, France

Florence Laurent