PROBLEM TO BE SOLVED: To provide a foam two-pack type hair decolorant or two-pack type hair dye, causing no scalp stimulation even when suppressing the content of a low-nonvolatile hydrophilic solvent and having high hair dying ability and decoloring ability.SOLUTION: The two-pack type hair cosmetic comprises a first agent containing an alkali agent, a second agent containing hydrogen peroxide and a foamer container for frothily ejecting the mixture liquid of the first agent and the second agent, and contains following ingredients (A) and (B) in the mixture liquid: (A) 1-15 wt.% surfactant, and (B) 0.1-5 wt.% nonvolatile hydrophilic solvent, wherein the weight ratio of the component (A) to the component (B) [content of the component (A)/content of the component (B)] is 1-20.COPYRIGHT: (C)2008,JPO&INPIT【課題】低不揮発性親水性溶剤の含有量を抑制しても頭皮刺激を起こさず、染毛力や脱色力も高い泡状の2剤式毛髪脱色剤又は2剤式染毛剤の提供。【解決手段】アルカリ剤を含有する第1剤、過酸化水素を含有する第2剤及び第1剤と第2剤の混合液を泡状に吐出するためのフォーマー容器からなる2剤式毛髪化粧料であって、混合液中に次の成分(A)及び(B):(A) 界面活性剤 1~15重量%(B) 不揮発性親水性溶剤 0.1~5重量%を含有し、成分(A)の成分(B)に対する重量比(成分(A)の含有量/成分(B)の含有量)が1~20である2剤式毛髪化粧料。【選択図】なし
