PROBLEM TO BE SOLVED: To provide a hair decolorant and an oxidative hair dyeing agent that are excellent in emulsion stability, decoloring power, hair dyeing power and texture, and sufficiently reduce a stimulus and hair damage at the application thereof.SOLUTION: This invention provides a hair decolorant and an oxidative hair dyeing agent comprising (A) an alkali agent, (B) an oily component, (C) a surfactant, (D) an oxidative agent, and (E) a chelator, wherein a specific amount of a specific chelator is contained.COPYRIGHT: (C)2016,JPO&INPIT【課題】 乳化安定性、脱色力、染毛力及び風合いが良好で、施術時における刺激及び毛髪へのダメージを十分に低減した、毛髪脱色剤及び酸化染毛剤を提供すること。【解決手段】 (A)アルカリ剤、(B)油性成分、(C)界面活性剤、(D)酸化剤、(E)キレート剤を含む毛髪脱色剤及び酸化染毛剤において、特定のキレート剤を特定量配合する。【選択図】 なし
