Oxidizing hair colourant compositions

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

Reexamination Certificate

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Details

C008S406000, C008S408000, C008S410000, C008S411000, C008S412000, C008S435000, C008S584000, C008S633000

Reexamination Certificate

active

07597720

ABSTRACT:
The present invention relates to oxidizing hair colorant compositions comprising selected oxidative hair dyes and diethylene-triamine-penta-(methylenephosphonic acid). The compositions provide improved hair color tonality, root to tip evenness and reduced wash fade over time.

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patent: WO98/27944 (1998-07-01), None
patent: WO02078661 (2002-10-01), None

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