| 摘要 |
A hair dye composition comprising at least one oxidation dye and at least one diphenylamine of the formula <IMAGE> wherein R1 and R4 each independently represent hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, acylamino or ureido; R2 and R3 each independently represent hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, amino, N-alkylamino wherein the alkyl has 1-6 carbon atoms, N-hydroxyalkylamino wherein the alkyl has 1-6 carbon atoms, acylamino, N-carbamylalkylamino wherein the alkyl has 1-6 carbon atoms or ureido; R5 represents hydrogen, halogen, lower alkyl having 1-6 carbon atoms or lower alkoxy having 1-6 carbon atoms; R6, R7 and R8, each independently represent hydrogen, halogen, lower alkyl having 1-6 carbon atoms or lower alkoxy having 1-6 carbon atoms; Y represents hydroxy or amino; and Z represents hydroxy or <IMAGE> wherein R9 and R10 each independently represents hydrogen, lower alkyl containing 1-6 carbon atoms, hydroxyalkyl containing 1-6 carbon atoms, carbamyl alkyl wherein the alkyl has 1-6 carbon atoms, amino alkyl wherein the alkyl has 1-6 carbon atoms, monoalkylamino alkyl wherein each alkyl has 1-6 carbon atoms, dialkylamino alkyl wherein each alkyl has 1-6 carbon atoms, acylaminoalkyl wherein the alkyl has 1-6 carbon atoms, alkylsulfonamido alkyl wherein each alkyl has 1-6 carbon atoms, arylsulfonamidoalkyl wherein the alkyl has 1-6 carbon atoms, sulfoalkyl wherein the alkyl has 1-6 carbon atoms, piperidinoalkyl wherein the alkyl has 1-6 carbon atoms or morpholinoalkyl wherein the alkyl has 1-6 carbon atoms; or a salt thereof.
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