PROBLEM TO BE SOLVED: To provide an aerosol-type foamy oxidative hair dye composition which ensures excellent uniform dyeing, hair dyeing power and operability and which can well suppress sags and runs.SOLUTION: An aerosol-type foamy oxidative hair dye composition is used in a manner such that at the time of application, multiple components are discharged and mixed, wherein, the initial foam specific gravity of a mixture of the multiple components is 0.03 to 0.18, and the foam specific gravity change rate calculated from the foam specific gravity after the lapse of 5 minutes from the mixing and the initial foam specific gravity is 100 to 150%.COPYRIGHT: (C)2014,JPO&INPIT【課題】均染性、染毛力及び操作性に優れ、垂れ落ちを良好に抑制できるエアゾール式泡状酸化染毛剤組成物の提供。【解決手段】複数剤を使用時に吐出して混合するエアゾール式泡状酸化染毛剤組成物であって、前記複数剤の混合物の初期泡比重が0.03~0.18であり、混合後5分における泡比重と前記初期泡比重から求める泡比重変化率が100%~150%であるエアゾール式泡状酸化染毛剤組成物。【選択図】なし
