Patent ID: 7972389

Claim:
A second part composition for hair dyeing or bleaching, which is mixed with a first part composition comprising an alkali agent before use, the second part composition comprising the following components (A) to (D): (A) an organic amine represented by the following formula (1): wherein R 1 is a linear or branched alkyl or an alkenyl group having 6 to 24 carbon atoms, R 2 and R 3 are, independently, an alkyl group having 1 to 6 carbon atoms or -(AO) n H, wherein A is an alkylene group having 2 to 4 carbon atoms, n is a number from 1 to 6, and n A's may be the same or different from each other and may be arranged in an arbitrary fashion, and X is a single bond, —O—(CH 2 ) m , —C(O)—NH—(CH 2 ) m —, —NH—C(O)—(CH 2 ) m —, or —[O—CH 2 —CH(OH)—CH 2 ] l — wherein m is a number from 2 to 4 and 1 is a number from 1 to 5, or a salt thereof; (B) an oily component which is a liquid at 25° C. under normal pressure of 1013.25 hPa; (C) an oxidizing agent; (D) water, and (E) optionally, at least one supplemental surfactant different from the component (A); wherein the second part composition has a pH of 1 to 6 at 25° C., and wherein a ratio of the optional at least one supplemental surfactant to the component (A) is 50 parts by mass of the at least one supplemental surfactant to 100 parts by mass of the component (A).