A first hair dyeing composition is applied to the hair, for example a hair root, and a second hair dyeing composition is applied to the hair, for example to the length and the tip of the hair, wherein the second Wherein the pH of the hair coloring composition is lower than the pH of the first hair dyeing composition.第1の毛髪染色組成物が毛髪、例えば、毛根に塗布され、第2の毛髪染色組成物が毛髪、例えば、毛髪の長さ部分及び先端に塗布される、毛髪染色方法であって、第2の毛髪染色組成物のpHが第1の毛髪染色組成物のpHよりも低い、方法。