PROBLEM TO BE SOLVED: To provide a second hair coloring agent providing a mixture which is easy to apply and is excellent in spread, and in which an easiness of mixing and a prevention of dripping are compatible in the case of a low viscosity of the second hair coloring agent such as 2,000-5,000 mPa s, and further to provide a hair coloring agent at least including such the second hair coloring agent.SOLUTION: There is disclosed a second hair coloring agent characterized by containing a higher alcohol, a nonionic surfactant, liquid fatty acid ester, liquid hydrocarbon, an ampholytic surfactant, and an oxidizing agent, and having a viscosity of 2,000-5,000 mPa s.COPYRIGHT: (C)2014,JPO&INPIT【課題】 第II剤の粘度が2000~5000mPa・s、と低い場合に、混ぜ易さと垂れ落ち防止とが両立され、しかも延びに優れ塗布し易い混合物を与える、毛髪変色剤第II剤、を提供する。更に、このような第II剤から少なくとも成る毛髪変色剤、を提供する。【解決手段】 高級アルコール、非イオン性界面活性剤、液状脂肪酸エステル、液状炭化水素、両性界面活性剤、及び酸化剤を含有し、粘度が2000~5000mPa・sであることを特徴とする毛髪変色剤第II剤。【選択図】なし