A method for coloring hair, and a kit for coloring hair are provided. The method for coloring hair comprises applying to the hair a first composition comprising in a cosmetically acceptable carrier, one or more ionizable linkers of Formula I, or cosmetically acceptable salts thereof, or mixtures thereof and applying to the hair a second composition comprising in a cosmetically acceptable carrier, one or more ingredients of Formula II and/or Formula III, or cosmetically acceptable salts thereof, or mixtures thereof and wherein the first composition does not comprise any ingredients of Formula II and/or Formula III of the second composition and any oxidative dye precursors; wherein the second composition does not comprise any ionizable linkers of Formula I of the first composition; and wherein the second composition further comprises a dye composition and optionally a developer composition wherein the developer composition comprises one or more oxidizing agents; and wherein the dye composition comprises one or more oxidative dye precursors comprising one or more couplers and one or more primary intermediates.