| abstract |
A hair dye composition based on an oxidation dye precursor system,ncontaining at least one tetraaminopyrimidine and / or triaminohydroxypyrimidine developer substancenand at least one coupler substance,nselected from 2,5-diaminopyridine, 2,6-diaminopyridine, 2-dimethylamino-5-aminopyridine,n2-amino-3-hydroxypyridine and / or 3-amino-2-methylamino-6-methoxypyridinenor their salts, and, if appropriate, at least one cationicnsubstantive dye and / or a nitroaminobenzene dye, therebynis characterized in that the composition contains no reducing agent,nresults after mixing with a peroxide composition on the hairnexpressive, intense tints that blend with the presence of reducing agentsnachieved colorings prove to be superior. |