To provide a hair dyeing dye and a hair dyeing composition that have an excellent hair dyeing power, favorable water solubility and foaming, and excellent sweat resistance, and that suppress the fading of dyed hair while maintaining the smooth hair during washing and after drying.SOLUTION: There is provided a compound represented by the general formula (1) in the figure where X represents a basic dye having at least one amino group having 0 to 20 carbon atoms which may have a substituent, and Z represents a non-coloring anion including an amino acid.SELECTED DRAWING: None【課題】染毛力に優れ、水溶解性や泡立ちが良好で、洗浄時および乾燥後に毛髪の指通りを保持しながら、耐汗性に優れ、染色された毛髪の褪色を抑制する染毛用染料および該染毛用組成物を提供すること。【解決手段】下記一般式（１）で表される化合物。 【化１】［式中、Ｘは、置換基を有していてもよい炭素原子数０～２０のアミノ基を少なくとも１個含有する塩基性染料を表し、Ｚは、アミノ酸を含有する非発色アニオンを表す。］【選択図】なし
