Enzymatic coloring agents

Details Enzymatic coloring agents Enzymatic coloring agents

C - Chemistry, Metallurgy

12

N

C12N 9/02 (2006.01) D06P 3/08 (2006.01)

Patent

CA 2429408

The invention relates to agents for coloring keratin fibers which, in a cosmetically acceptable carrier, contains: (A) at least one colorant precursor; (B) at least one enzyme, which can catalyze the oxidation of the colorant precursors; (C) at least one sugar surfactant selected from the group that is formed from alkyl oligoglycosides, alkenyl oligoglycosides and from fatty acid N-alkyl-polyhydroxyalkylamides, and; (D) at least one reducing agent. The inventive agents are characterized by their good ability to color and by their action that is gentle on hair.

Agents destinés à colorer des fibres de kératine qui contiennent, dans un excipient cosmétiquement acceptable, (A) au moins un précurseur de colorant, (B) au moins une enzyme qui peut catalyser l'oxydation des précurseurs de colorant, (C) au moins un tensioactif de type sucre choisi dans le groupe constitué par les oligoglycosides d'alkyle et d'alcényle et les N-alkyl-polyhydroxyalkylamides d'acides gras et (D) au moins un réducteur. Les agents selon la présente invention se caractérisent par une bonne capacité de coloration ainsi que par une action douce sur les cheveux.

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