Association of two cationic dyes for use in direct dyeing of...

Details Association of two cationic dyes for use in direct dyeing of... Association of two cationic dyes for use in direct dyeing of...

A - Human Necessities

45

D

A45D 19/00 (2006.01) A61P 43/00 (2006.01) C09B 67/32 (2006.01)

Patent

CA 2296141

The invention relates to dyeing compositions comprising a combination of two specific cationic dyes and not containing a self-oxidizing agent, to the use of the compositions as direct dyes in dyeing applications for keratin fibers, and in particular human keratin fibers such as the hair, to direct dyeing processes using the compositions, and to dyeing devices using the compositions.

L'invention a pour objet l'utilisation d'une association de deux colorants cationiques particuliers, à titre de colorants directs, dans des compositions destinées à la teinture directe des fibres kératiniques ne contenant pas de colorant autooxydable, en particulier des fibres kératiniques humaines telles que les cheveux, les compositions de teinture directe la contenant, les procédés de teinture directe correspondants et les dispositifs de teinture mettant en oeuvre lesdites compositions.

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