Compositions based on direct dyestuffs containing a 2,5-dihydrox

Details Compositions based on direct dyestuffs containing a 2,5-dihydrox Compositions based on direct dyestuffs containing a 2,5-dihydrox

1978-08-18

1980-01-29

Thomas, Jr., James O.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 10, 8 92, 544161, 562465, 562478, A61K 713

Patent

active

041859588

ABSTRACT:
A composition suitable for dyeing keratin fibres, especially human hair, is provided comprising a direct dyestuff and, as a levelling agent, a 2,5-dihydroxyphenylcarboxylic acid or a salt thereof.

REFERENCES:
patent: 3464778 (1969-09-01), Berth et al.
patent: 3480377 (1969-11-01), Lyons
patent: 3488138 (1970-01-01), Iscowitz
patent: 3565571 (1971-02-01), Reese et al.
patent: 3642423 (1972-02-01), Bil et al.
patent: 3893805 (1975-07-01), Dellian et al.

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