Composition for the dyeing of human hair
View Patent ↗Hair dyeing composition on the basis of an oxidation dyestuff precursor reacting with peroxide, comprising at least one developing and/or coupling substance selected from the group a) 3-chloro-p-aminophenol and/or 2-chloro-p-aminophenol and b) 3-(N-methyl-N-hydroxyethyl amino)-phenol, 3-morpholinophenol, 3-(N-hydroxyethyl amino)-phenol and/or 3-(N-hydroxypropyl amino)-phenol, and c) o-aminophenol and/or 4-chloro-2-aminophenol.
1. Hair dyeing composition on the basis of an oxidation dyestuff precursor reacting with peroxide, said composition consisting of:
a) at least one developing and/or coupling substance selected from the group consisting of 3-chloro-p-aminophenol and 2-chloro-p-aminophenol;
b) at least one developing and/or coupling substance selected from the group consisting of 3-(N-methyl-N-hydroxyethyl amino)-phenol, 3-morpholinophenol, 3-(N-hydroxyethyl amino)-phenol and 3-(N-hydroxypropyl amino)-phenol; and
c) at least one developing and/or coupling substance selected from the group consisting of o-aminophenol and 4-chloro-2-aminophenol; and
d) optionally, at least one developing and/or coupling substance selected from the group consisting of 1-methoxy-2-amino-4-(β-hydroxyethyl amino)benzene, 2-amino-3-hydroxypyridine, 3-amino-2-methylamino-6-methoxypyridine, resorcinol, 2-methyl resorcinol, 4-chlororesorcinol, 2-amino-4-chlorophenol, 1,3-diaminobenzene, 1,6-dihydroxynaphthaline, 1,7-dihydroxy-naphthaline, p-phenylenediamine, p-toluylenediamine, 2,6-dimethyl-p-phenylene-diamine, 2-hydroxymethyl-p-pheny-lenediamine, 2-hydroxyethyl-p-phenylene-diamine, 2-n-propyl-p-phenylenediamine, 2-isopropyl-p-phenylenediamine, N-(β-hydroxypropyl)-p-phenylenediamine, N,N-bis(β-hydroxyethyl)-p-phenylenediamine, N-methoxyethyl-p-phenylenediamine and 5-chloro-2-hydroxyethyl-p-phenylene-diamine, or the water-soluble salts thereof.