Loreal Sa

L'oreal

Gérard Lang

Jean Cotteret

Christine Rondeau

The invention relates to a composition for dyeing keratinous fibers, in particular human keratinous fibers such as hair, comprising, in an appropriate dyeing medium, at least one cationic direct dye of a given formula, and which is characterized in that it contains, in addition, at least one silicone chosen from the aminated silicones, the polyoxyalkylenated silicones, the silicone gums and resins. The invention also relates to the dyeing methods and devices using it.

Composition for dyeing keratinous fibres with a cationic direct dye and a silicone

The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising: &#x2014;nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, &#x2014;anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, &#x2014;cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.

Composition for dyeing keratin fibers with a cationic direct dye and a thickening polymer

The invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, 3-methyl 4-amino phenol as oxidation base, and at least an enzyme such as laccase, as well as the dyeing method using said composition.

Composition for the oxidation dyeing of keratinous fibers containing a laccase and dyeing method using this composition

The invention relates to a composition for oxidation dyeing of keratinous fibers, and in particular human keratinous fibers, such as hair, comprising, in a medium appropriate for dyeing, at least one oxidation base, 2-amino-4-N-(&#x3b2;-hydroxyethyl)aminoanisole as coupler, and at least an enzyme of the laccase type, as well as the dyeing method using this composition.

The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using the composition.

Dye composition for keratin fibres, with a cationic direct dye and a substantive polymer

This invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least a heterocyclic oxidation colouring agent, and at least an enzyme such as laccase, as well as the dyeing method using said composition.

Keratinous fibre oxidation dyeing composition containing a laccase and dyeing method using same

The present invention relates to compositions comprising at least one oxidation base and at least one coupler, which is useful for the oxidation dyeing of keratinous fibers. The present invention also relates to a process for the oxidation dyeing of keratinous fibres, such as hair.

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Saint Prix, France

Gérard Lang