Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1999-04-09
1999-12-14
Liott, Caroline D.
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
A61K 713
Patent
active
06001136&
ABSTRACT:
A composition for the oxidation dyeing of keratin fibers, in particular of human keratin fibers such as the hair, preferably comprising 2-n-propyl-para-phenylenediamine, in combination with at least one meta-aminophenol in a meta-amino-phenol/2-n-propyl-para-phenylenediamine molar ratio of less than or equal to 10, as well as to the dyeing process using this composition.
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"L'Oreal"
Liott Caroline D.
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