Method for dyeing keratinic fibres in an alkaline medium by...

Details Method for dyeing keratinic fibres in an alkaline medium by... Method for dyeing keratinic fibres in an alkaline medium by...

A - Human Necessities

61

K

A61K 8/49 (2006.01) A45D 34/00 (2006.01) A45D 34/04 (2006.01) A61Q 5/10 (2006.01) A61K 7/13 (1990.01)

Patent

CA 2110496

2110496 9320794 PCTABS00164 L'invention est relative à un procédé de teinture des fibres kératiniques, caractérisé par le fait que l'on applique sur ces fibres au moins un paraaminophénol de formule (I), dans laquelle Y est oxygène ou soufre, R est alkyle, monohydroxyalkyle, polyhydroxyalkyle, ainsi que leurs sels d'addition d'acides, et le 6-hydroxyindole et/ou le 7-hydroxyindole, la couleur étant révélée à pH alcalin à l'aide d'un agent oxydant.

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