PROBLEM TO BE SOLVED: To provide an acidic hair dyeing composition which has high hair dyeing effect while reducing skin dyeing.SOLUTION: The acidic hair dyeing composition comprises at least one kind selected from the group consisting of compounds represented by general formula (I) or the like wherein the insides of the brackets are random addition, 0&lea+b+c&le3, 0&led+e+f&le24, and 5&leg+h+i&le70.COPYRIGHT: (C)2012,JPO&INPIT【課題】地肌染まりが軽減されながら、染毛効果の高い酸性染毛料組成物の提供。【解決手段】下記一般式(I)等で表わされる化合物からなる群から選ばれる少なくとも1種を含む酸性染毛料組成物。(式(I)中、カギ括弧内はランダム付加、0≦a+b+c≦3、0≦d+e+f≦24、5≦g+h+i≦70である。)【選択図】なし
