An agent and a process for the oxidative dyeing of hair based on a combination of developer substance and coupling substance, wherein there is used as the coupling substance a 3 (2',2',2'-trifluoroethyl)aminophenol derivative having the genoral formula (I) <IMG> (I), wherein the radical R represents an alkyl radical containing 1 to 4 carbon atoms, a mono- or polyhydroxy-alkyl radical containing 1 to 4 carbon atoms and up to 3 hydroxyl groups, an alkoxy radical containing 1 to 4 carbon atoms, a mono- or polyhydroxy-alkoxy radical containing 1 to 4 carbon atoms and up to 3 hydroxyl groups or a halogen atom or its physiologically compatible salt as well as novel 3'-(2',2',2'-trifluoroethyl)aminophenol derivatives.
AGENT AND PROCESS FOR THE OXIDATIVE DYEING OF HAIR WITH 3-(2',2',2'-TRIFLUORO-ETHYL) AMINOPHENOL DERIVATIVES AND NOVEL 3-(2',2',2'-TRIFLUORO-ETHYL) AMINOPHENOL DERIVATIVES