Brightening and/or colouring agent comprising N, N'-carbonyldiazoles and/or analagogues thereof

摘要

Agent (A), for coloring and/or brightening of keratin fibers, preferably human hair, comprises 0.001-15 wt.% of N,N'-carbonyldiazole, N,N'-thiocarbonyldiazole and/or N,N'-carbonimidyldiazole (I). Agent (A), for coloring and/or brightening of keratin fibers, preferably human hair, comprises 0.001-15 wt.% of N,N'-carbonyldiazole, N,N'-thiocarbonyldiazole and/or N,N'-carbonimidyldiazole of formula (I). Y1>=O, =S or =N-R5>; X1>N or C-R1>; X2>N or C-R2>; X3>N or C-R3>; and either R1>-R5>H, optionally substituted aryl, optionally substituted 1-6C alkyl group, optionally substituted 1-6C alkylene group, nitro, halo, cyano, trihalomethyl, pentahalomethyl or carboxyaldehyde; or R1>R2>, R2>R4>, R3>R4>a ring. An independent claim is included for a procedure for the brightening of keratin fiber, preferably human hair comprising applying a pre-treating agent M1 on the fiber, applying an agent M2 on the fiber, where M2 is applied before M3, washing M2 after 5-30 minutes, and applying a follow-up treating agent M4 on the fiber after the treatment and washing after a few minutes of influential time. [Image].