Loreal Sa

L'oreal

Luc Gourlaouen

Grégory Plos

Henri Samain

Frédéric Guerin

Gaëlle Brun

Jean-Dominique Bazin De Bezons

Gabin Vic

Florent Pastore

Alain Lagrange

Andrew Greaves

Franck Giroud

Aude Livoreil

Mathilde Winckels

Josselyne Raymonde Jacqueline Simon, Legal Representative

A process for treating hair fibers comprising: applying to the hair fibers at least one cosmetic composition comprising, in a cosmetically acceptable medium, at least one polysiloxane/polyurea block copolymer; and subsequently or simultaneously heating the hair fibers at a temperature ranging from 50 to 280&#xb0; C.

Process for treating hair fibers using polysiloxane/polyurea

The disclosure relates to a method for dyeing keratinous fibers by applying, to said fibers, i) at least one entity chosen from ortho-diphenol and derivatives thereof, ii) at least one metal salt, iii) hydrogen peroxide or at least one system which generates hydrogen peroxide, and iv) at least one (bi)carbonate, wherein the method for coloring keratinous fibers is carried out in at least two stages, and wherein the at least one (bi)carbonate and the at least one metal salt are applied in separate stages. The disclosure also relates to a ready-to-use cosmetic composition and relates to a multicompartment device comprising from 2 to 5 compartments comprising from 2 to 5 compositions.

Composition comprising at least one ortho-diphenol, metal salt, hydrogen peroxide and (bi)carbonate and hair dyeing method therewith

The disclosure relates to methods for dyeing keratinous fibers by treatment of said fibers with i) at least one entity chosen from hematoxylin, hematein, brazilin, brazilein, and their derivatives, ii) at least one metal salt, iii) hydrogen peroxide or at least one system which generates hydrogen peroxide and iv) at least one (bi)carbonate. The disclosure also relates to multicompartment devices and compositions comprising the ingredients i), ii), iii) and iv).

Composition comprising a derivative of hermatoxylin, of hematein, of brazilin or of brazilein, metal salt, hydrogen peroxide, and (bi)carbonate and hair dyeing method therewith

The present disclosure relates to a composition for coloring keratin fibers comprising in a cosmetically acceptable medium, at least one compound X of polyorganosiloxane comprising siloxane units of a formula (I) and compound Y of organosiloxane comprising at least one alkylhydrogensiloxane unit of a formula (III), wherein when compounds X and Y are placed in contact with each other they react together via a hydrosilyation reaction, at least one hydrophobic direct dye having a log P greater than 2, and optionally at least one organic solvent. The composition of the disclosure makes it possible to obtain varied hues and intense colors on the keratin fibers. Moreover, the coloration is very resistant to external agents, for example, to repeated washing.

Composition comprising a compound X and A compound Y, at least one of which is a silicone, and a hydrophobic direct dye

The present disclosure relates to a cosmetic composition comprising at least one fluorescent dye and at least one aminosilicone; processes using this cosmetic composition and a kit comprising at least one composition comprising at least one fluorescent dye and at least one aminosilicone, which can be used to dye with a lightening effect human keratin materials for example, artificially dyed or pigmented hair, and dark skin.

Cosmetic dye composition with a lightening effect for human keratin materials, comprising at least one fluorescent dye and at least one aminosilicone, and process of dyeing

The subject of the present invention is the use, for dyeing in particular human keratin materials, of a direct dye, in particular an azo dye, by dry thermal transfer. Its subject is furthermore a method for dyeing keratin materials, n which at least one direct dye, in particular one azo dye, contained in a dry composition, is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials. It relates furthermore to the dry composition and a method for preparing it.

Dyeing of human keratin materials by dry thermal transfer of a direct dye, composition comprising the said dye and its method of preparation

The present disclosure relates to a dyeing composition comprising, in an appropriate dyeing medium, at least one pigment and at least one electrophilic cyanoacrylate monomer of formula (I) in which R is chosen from alkyl radicals and alkoxyalkyl radicals. Dyeing kits comprising said compositions and processes using same are also disclosed.

Coloring composition comprising at least one pigment and at least one electrophilic cyanoacrylate monomer

The subject of the present invention is the use, for dyeing in particular human keratin materials, of a specific direct anthraquinone dye by dry thermal transfer. Its subject is furthermore a method for dyeing keratin materials, in which at least one direct anthraquinone dye contained in a dry composition is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials. It relates furthermore to the dry composition and a method for preparing it.

Dyeing of in particular human keratin materials by dry thermal transfer of a direct anthraquinone dye, composition comprising the said dye and its method of preparation

The subject of the present invention is the use, for dyeing in particular human keratin materials, of a specific direct azomethine dye, by dry thermal transfer. Its subject is furthermore a method for dyeing keratin materials, in which at least one direct azomethine dye contained in a dry composition, is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials. It relates furthermore to the dry composition and a method for preparing it.

Dyeing of in particular human keratin materials by dry thermal transfer of a direct azomethine dye, composition comprising the said dye and its method of preparation

The present disclosure relates to a substantially dry cosmetic article for dyeing keratin materials, comprising a porous flexible substrate, and at least one direct dyes and/or direct dye precursor in powder form, which are capable of dyeing the keratin material via heat transfer, the substrate and the direct dyes or direct dye precursors being non-covalently bonded to the substrate. Disclosed herein is also a method for dyeing keratin materials, for example, human keratin materials, via dry heat transfer, using the dry heat-transfer cosmetic article.

Cosmetic article and process for dry dyeing keratin materials

The invention relates to a composition comprising, in a cosmetically acceptable medium, at least one particular fluorescent dye. The invention also relates to a process for treating keratin fibres, in particular human keratin fibres, using this composition, and also to a device comprising it. Finally, the invention relates to the use of the composition according to the invention as a lightening agent or as a colouring agent for the said fibres.

Composition comprising at least one substituted 2-[2-(4-amino phenyl)ethenyl]-1-pyridinium derivative, process for treating keratin fibres using it, device and use thereof

The present disclosure relates to compositions for dyeing keratin materials, for example compositions for hair dyeing, comprising at least one 1,2-indandione derivative, a method for dyeing using such compositions, and a multicomponent dyeing agent used for carrying out such a method.

Dyeing compositions comprising A 1,2-indandione derivative

The present disclosure relates to compositions for dyeing keratin materials, for example, compositions for hair dyeing comprising at least one 1,3-indandione derivative, a method for dyeing using such compositions and a multicomponent dyeing agent used for carrying out such a method. The present disclosure makes it possible, for example, to obtain a color of the keratin fibers which is fast, resistant to light and to washing.

Dyeing compositions comprising at least one 1,3-indandione derivative

Disclosed herein are a method of dyeing or coloring, with a lightening effect, a human keratin material comprising applying a composition comprising, in a cosmetically acceptable medium, at least one fluorescent compound and at least one optical brightener; a composition comprising, in a cosmetically acceptable medium, at least one fluorescent compound and at least one optical brightener which are both soluble in the medium; and a device using such a composition comprising at least two compartments, wherein at least one comprises, in a cosmetically acceptable medium, a composition comprising at least one fluorescent compound and at least one optical brightener and optionally at least one additional ingredient chosen from direct dyes, oxidation bases and couplers, and at least one other compartment comprises a composition comprising at least one oxidizing agent.

Method for dyeing or coloring human keratin materials with lightening effect using a composition comprising at least one fluorescent compound and at least one optical brightener

The disclosure relates to a composition comprising at least one fluorescent dye and at least one non-associative thickening polymer, to processes using such a composition, and to devices comprising such a composition. The disclosure also relates to processes and methods for dyeing human keratin materials, for example artificially dyed or pigmented hair and dark skin, with a lightening effect, using compositions comprising at least one fluorescent dye and at least one non-associative thickening polymer.

Dye composition comprising at least one fluorescent dye and a non-associative thickening polymer for human keratin materials, process therefor, and method thereof

Growing community of inventors

Asnieres, France

Luc Gourlaouen