L'oreal

Loreal Sa

Frédéric Guerin

Alain Lagrange

Claude Dubief

Sylvain Kravtchenko

Luc Gourlaouen

Chrystel Pourille

Fabien Aubert

Grégory Plos

Valérie Nicou

Maria Nieto

Pascal Simon

Patrick Choisy

Maxime De Boni

Arnaud Hucher

Gilles Genain

Anne Bouchara

Josselyne Raymonde Jacqueline Simon, Legal Representative

Géraldine Login

Gaëlle Petit

The present application relates to a colouring solid particle for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising a core containing one or more direct dyes and/or one or more oxidation dye precursors and an upper coating layer covering said core and containing one or more cellulose ethers. The present application also relates to a process for preparing a dye composition comprising one or more colouring solid particles, to a process for the oxidation dyeing of keratin fibres, comprising the application of the composition obtained to said fibres, and to the use of this composition for dyeing keratin fibres.

Coated colouring solid particles comprising at least one direct dye and/or one oxidation dye precursor

The present invention relates to a process for treating keratin fibers such as the hair using a packaging article comprising i) an envelope defining at least one cavity, the envelope comprising water-soluble and/or liposoluble fibres, preferably water-soluble fibres; ii) at least one anhydrous oxidizing composition, preferably in paste or powder form, comprising at least one anhydrous chemical oxidizing agent, preferably in paste or powder form; it being understood that the oxidizing composition is in one of the cavities defined by the envelope i).

Process for treating keratin fibers using a packaging article comprising an envelope and an anhydrous composition comprising an oxidizing agent

The present invention relates to a composition comprising arginine, at least one silicate, at least one alkanolamine, and optionally aqueous ammonia and/or at least one compound which generates aqueous ammonia. The composition further comprises at least one thickening agent chosen from non-associative cellulose polymers, anionic associative polymers, non-ionic associative polymers, and their mixtures. The invention also relates to a method for the treatment of keratin fibres, in particular human keratin fibres, such as the hair, comprising the application of at least one composition according to the invention; and also to the use of the composition according to the invention for the treatment of said keratin fibres, and in particular for the oxidation dyeing and/or the bleaching of the latter.

Alkaline composition comprising at least three different alkaline agents for the treatment of keratin fibres, methods and uses

The present invention relates to a composition for dyeing keratin fibres comprising, in a cosmetically acceptable medium: &#x2014;one or more direct dyes of triarylmethane structure, &#x2014;one or more amino silicones and&#x2014;one or more surfactants. The invention also relates to a process for dyeing keratin fibres using said composition and also to a use for dyeing keratin fibres.

Dyeing composition comprising a direct dye of triarylmethane structure, and a silicone

The present invention relates to a composition for dyeing keratin fibres comprising, in a cosmetically acceptable medium of acidic pH, the pH of which is preferably less than 5, one or more direct dyes of triarylmethane structure, which are preferably cationic. The invention also relates to a process for dyeing keratin fibres using said composition and also to a use for dyeing keratin fibres.

Dyeing composition at acidic pH comprising a direct dye of triarylmethane structure

The present invention relates to a packaging article comprising: i) an envelope defining at least one cavity, the envelope comprising water-soluble and/or liposoluble fibres; ii) at least one anhydrous dye composition containing at least one direct dye; and iii) optionally at least one anhydrous oxidizing agent; it being understood that the dye composition ii) and the anhydrous oxidizing agent iii), when it is present, are in one of the cavities defined by the envelope i). Another subject of the invention is the use of the said article for dyeing keratin fibres and a process for dyeing keratin fibres using the said article. The use of the packaging article makes it possible to obtain dye compositions whose consistency is pleasant on use, which are easy to apply and which make it possible to obtain powerful colouring of the hair.

Packaging article comprising an envelope and an anhydrous dye composition comprising a direct dye, use of the same and process for dyeing keratin fibres

The present invention relates to a packaging article comprising i) an envelope defining at least one cavity, the envelope comprising water-soluble or liposoluble fibers, ii) at least one anhydrous dye composition containing at least one oxidation dye; and iii) optionally at least one anhydrous oxidizing agent, preferably in powder form; it being understood that the dye composition ii) and the chemical oxidizing agent iii), when it is present, are in one of the cavities of the envelope i). Another subject of the invention is the use of the packaging article for dyeing keratin fibers, and a process for dyeing keratin fibers using the said article. The use of the packaging article makes it possible to obtain dye compositions having good dyeing properties, which are easy to apply and which make it possible to obtain powerful coloring of the hair.

Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres

A subject-matter of the invention is a method for dyeing and/or lightening keratinous fibres, such as the hair, employing i) at least one direct dye having a disulphide, thiol or protected thiol functional group and ii) at least one thickening organic polymer, iii) at least one (poly)ethoxylated fatty alcohol and/or one nonionic surfactant, iv) at least one alkaline agent and v) at least one reducing agent. Another subject-matter of the invention is a composition comprising the ingredients i) to v), the use of the combination of i), ii), iii), iv) and v) for dyeing and/or lightening keratinous fibres and a multicompartment kit comprising the ingredients i) to v). The dyeing method and the composition according to the invention make it possible in particular to obtain a lasting coloration on keratinous fibres which is intense, chromatic and/or homogeneous, with or without the use of an oxidizing agent.

Composition for dyeing keratinous fibres comprising a direct dye having a disulphide/thiol functional group, a thickening polymer, an ethoxylated fatty alcohol and/or a nonionic surfactant, an alkaline agent and a reducing agent

The invention relates to a process for dyeing and/or lightening keratin fibres such as the hair, using i) at least one direct dye bearing a disulfide, thiol or protected-thiol function and ii) at least one non-cellulose-based thickening organic polymer, iii) at least one alkaline agent, iv) at least one reducing agent and optionally v) at least one surfactant. The invention also relates to a composition comprising the ingredients i) to iv) and optionally v), to the use of the combination of i), ii), iii), iv) and optionally v) for the dyeing and/or lightening of keratin fibres, and to a multi-compartment kit comprising the ingredients i) to iv) and optionally v). The dyeing process and the composition according to the invention especially afford a long-lasting coloration on keratin fibres, which is strong, chromatic and/or homogeneous, with or without the use of an oxidizing agent.

Composition for dyeing keratin fibres comprising a direct dye bearing a disulphide/thiol function, a non-cellulose-based thickening polymer, an alkaline agent and a reducing agent

The invention relates to a process for dyeing and/or lightening keratin fibres such as the hair, using i) at least one direct dye bearing a disulfide, thiol or protected-thiol function and ii) at least one nonionic surfactant, iii) at least one amphoteric surfactant, iv) at least one alkaline agent, and v) at least one reducing agent. The invention also relates to a composition comprising the ingredients i) to v), to the use of the combination of i), ii), iii), iv) and v) for the dyeing and/or lightening of keratin fibres, and to a multi-compartment kit comprising the ingredients i) to v). The dyeing process and the composition according to the invention especially afford a long-lasting coloration on keratin fibres, which is strong, chromatic and/or homogeneous, with or without the use of an oxidizing agent.

Composition for dyeing keratin fibres comprising a direct dye bearing a disulphide/thiol function, a nonionic surfactant, an amphoteric surfactant, an ethoxylated fatty alcohol, an alkaline agent and a reducing agent

The present invention relates to a method for the permanent reshaping and in particular straightening of keratinous fibers, in particular human keratinous fibers, such as the hair, comprising a stage of application, to the keratinous fibers, of a cosmetic composition comprising one or more non-silicone fatty substances in a content of greater than or equal to 40% by weight, with respect to the total weight of the composition, and a stage of heating the keratinous fibers using an iron, after the application of the said cosmetic composition.

Method for permanent reshaping and in particular for straightening, comprising a stage of straightening keratinous fibres employing a composition comprising at least 40% by weight of non-silicone fatty substances

The invention relates to a process for dyeing keratin fibers, in which said fibers are treated: &#x25aa; with a composition (A) comprising i) one or more indole or indoline compounds; ii) one or more metal salts; iii) hydrogen peroxide or one or more systems that generate hydrogen peroxide; and then &#x25aa; with a composition (B) comprising iv) one or more basifying agents. The invention also relates to a hair dyeing process for obtaining better colorations, which are more uniform, chromatic and remanent and which do not impair the cosmetic properties of keratin fibers.

Hair dyeing process using a composition comprising at least one indole or indoline compound, a metal salt, hydrogen peroxide and a basifying agent

Disclosed herein are compositions for simultaneous shaping, dyeing, and/or lightening of keratin fibers comprising at least one disulfide direct dye and at least one organic or mineral hydroxide alkaline agent. Also disclosed herein are processes for simultaneous shaping, dyeing, and/or lightening of keratin fibers using said compositions and compartmentalized devices comprising said compositions. The compositions disclosed herein may make it possible to obtain a long-lasting dyeing effect, while limiting the degradation of the keratin fibers.

Hair compositions comprising at least one disulfide direct dye and at least one alkaline hydroxide agent and simultaneous hair shaping and dyeing processes

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 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, said method additionally involving an intermediate wiping and/or drying and/or non rinsing stage.

Growing community of inventors

Paris, France

Frédéric Guerin