PROBLEM TO BE SOLVED: To provide the second agent composition for dyeing hair or bleaching hair, which controls an unpleasant odor on treatment and exhibits sufficient bleaching power.SOLUTION: Provided is the second agent composition for dyeing the hair or bleaching the hair, which is to be mixed with the first agent composition containing an alkali agent, comprises the following components (A) to (D), and has pH of 1 to 6 at 25°C. (A) An organic amine having at least one hydrophobic chain or its salt, (B) an oily component liquid at 25°C under the ordinary pressure, (C) an anti-oxidizing agent, and (D) water.COPYRIGHT: (C)2009,JPO&INPIT【課題】施術時の不快臭が抑制され、かつ十分な脱色力を発揮する染毛用又は毛髪脱色用第2剤組成物の提供。【解決手段】アルカリ剤を含有する第1剤組成物と混合して用いる組成物であって、次の成分(A)~(D)を配合してなり、25℃におけるpHが1~6である染毛用又は毛髪脱色用第2剤組成物。(A) 少なくとも一の疎水鎖を有する有機アミン又はその塩(B) 25℃常圧下で液状の油性成分(C) 酸化剤(D) 水【選択図】なし
