PROBLEM TO BE SOLVED: To provide an oxidation type hair dye or bleaching agent composition, which are excellent in the cavity repairing effect of damaged hair and can obtain a finish with satisfactory luster like healthy hair.SOLUTION: The oxidation type hair dye or bleaching agent composition is the hair dye composition or bleaching agent composition that is used by mixing a first agent including an alkali agent and a second agent including hydrogen peroxide, the mixture thereof includes a component (a) of 0.5 to 10 mass% and a component (b) of 2.0 to 20.0 mass%, the mass ratio (a)/(b) between the component (a) and the component (b) is 0.1 to 3.0, and the pH of the mixture is 8.0 to 11.5 where the component (a) is at least one kind of compound represented by general formula (1) or (2) (in the formula, R1 denotes a 1 to 4C alkyl group, and R2 denotes a hydrogen atom or a 1 to 4C alkyl group), and the component (b) is an aromatic alcohol being liquid at 25°C.COPYRIGHT: (C)2013,JPO&INPIT【課題】ダメージ毛の空洞補修効果に優れ、健常毛のような良好なツヤのある仕上がりを得ることができる酸化型染毛剤又は脱色剤組成物の提供。【解決手段】アルカリ剤を含有する第1剤と過酸化水素を含有する第2剤を混合して使用する染毛剤組成物又は脱色剤組成物であって、混合物中に成分(a)を0.5~10質量%、成分(b)を2.0~20.0質量%含有し、成分(a)と成分(b)との質量比(a)/(b)が0.1~3.0であり、混合物のpHが8.0~11.5である酸化型染毛剤又は脱色剤組成物。(a):一般式(1)又は(2)で表される化合物の少なくとも1種〔R1は炭素数1~4のアルキル基、R2は水素原子又は炭素数1~4のアルキル基〕(b):25℃で液体の芳香族アルコール【選択図】なし
