Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1997-06-10
1999-02-09
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8408, 8409, 8416, 8423, 8565, 8576, A61K 713
Patent
active
058688005
ABSTRACT:
The invention relates to an oxidation dyeing composition for keratinous fibres, in particular for human keratinous fibres such as hair, of the type which comprises, in a medium appropriate for dyeing, at least one oxidation dye precursor and at least one coupler, and which is characterized in that it contains, as oxidation dye precursor, at least one para-phenylenediamine which is substituted in position 2 on the benzene ring, and/or at least one of its addition salts with an acid, and, as coupler, at least one specific 6-hydroxy-1,4-benzomorpholine and/or at least one of its addition salts with an acid. The invention also relates to the use of this composition for the dyeing of keratinous fibres, especially hair.
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Audousset Marie-Pascale
Cotteret Jean
"L'Oreal"
Lieberman Paul
Liott Caroline D.
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