Hair dye with good tolerability and long-lasting result

摘要

Hair colour (I) contains a combination of :(a) 1,4-diaminobenzene (I), 1-methyl-2,5-diaminobenzene, 2-(2`-hydroxyethyl)amino-5, aminotoluene, 2,4,5,6-tetraaminopyrimidine and/or 4-hydroxy-2,5,6-triaminopyrimidine as developer; and (b) 4,6-diaminopyrimidine (II), 4-amino-2,6-dihydroxypyrimidine, 4,5,6-triamino-pyrimidine, 2-4-diamino-6-hydroxypyrimidine, 2,4,5- and/or 2,4,6-trihydroxy-pyrimidine, 2-amino-4-methylpyrimidine, 2-amino-4-hydroxy-6-methylpyrimidine, 4,6-dihydroxy-2-methylpyrimidine, 3, 4-diamino-5-hydroxypyrazole and/or 3-amino-5,6-dimethyl-1,2,4-triazine and/or their water-soluble salts.