A method levels hair color, especially lighter colored hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in color—between the re-growth and formerly lightened parts is clearly visible. The method comprises at least two parts wherein one part being the part not closer to scalp which is artificially color changed to a lighter color by means of lightening and/or coloring and/or bleaching than the other part closer to scalp which is preferably undamaged and has its natural color, wherein hair is optionally shampooed and optionally towel dried and the part directly at the scalp, preferably undamaged and preferably has its natural color, is applied a composition resulting from mixing two compositions, A and B, prior to application.