abstract |
A hair dyeing method in which an undiluted hair dyeing composition is applied to the hair, e.g. the hair root, and the diluted hair dyeing composition is applied to the hair, e.g. the length and tip of the hair, comprising water and / or Or a method of adding a diluent composition comprising a non-aqueous liquid to an undiluted hair coloring composition to obtain a diluted hair coloring composition. |