Process for the direct coloration of human keratinic fibers...

A - Human Necessities – 45 – D

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A45D 19/00 (2006.01) A45D 7/00 (2006.01) A61K 7/13 (1995.01)

Patent

CA 2158532

L'invention concerne un procédé de coloration directe des fibres kératiniques, caractérisé par le fait qu'il consiste à mettre en contact des fibres kératiniques sur lesquelles on a appliqué une composition tinctoriale contenant au moins un colorant direct cationique avec un gaz contenant de la vapeur d'eau, la température dudit gaz étant supérieure à 75°C, le temps de contact entre ledit gaz et lesdites fibres à colorer étant inférieur à deux minutes. Selon l'invention, les cheveux sont colorés de façon uniforme, des racines aux pointes, et ceci quel que soit l'état du cheveu.

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