Nitrophenylenediamine dye composition having improved deposition

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

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8405, 8406, 252545, 252550, 252DIG13, 424 70, A61K 713, A61K 7075, C11D 194, C11D 340

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047641746

ABSTRACT:
A nitrophenylenediamine dye composition includes a long chain alkyl (8 to 18 carbon chain length) sulfate detergent, such as sodium lauryl sulfate or ammonium lauryl sulfate together with a sultaine (sulfobetaine) surfactant in a ratio of sulfate/sultaine in the range of 1:1 to 10:1, and particularly in the range of 6:1 to 9:1 to achieve unexpectedly increased deposition of specific nitrophenylenediamine dyes onto human hair.

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patent: 4419101 (1983-12-01), Bugaut et al.
patent: 4470826 (1984-09-01), Bugaut et al.
Harry, Ralph G. Cosmetic Material, vol. 2, 1963, pp. 49-50.

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