| 摘要 |
Composition comprises (a) oxidation dye precursors, direct dyes and/or hydrogen peroxide, and (b) at least one silicone block copolymer having silyloxy structural units (I) and (II), preferably bis-isopropylamino-PG-propyl dimethicone-bis-isobutyl-polyethylene glycol 14 copolymer. Composition comprises (a) oxidation dye precursors, direct dyes and/or hydrogen peroxide, and (b) at least one silicone block copolymer having silyloxy structural units of formula ((-Si(CH 3)(X-N(R1)-Y1-CH(OH)-CH 2-OH)-O) m-) (I) and ((-Si(CH 3)((O-(CH 2) 2) p-O-R3)-O) n-) (II), preferably bis-isopropylamino-PG-propyl dimethicone-bis-isobutyl-polyethylene glycol 14 copolymer. X, Y1 : optionally substituted 1-8C alkylene; R1 : CH 3, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl or tert-butyl; R3 : H or R1; p : 1-30, preferably 10-18; and m, n : 2-200. |
