The invention relates to a method of imparting color onto keratinous substrates involving contacting said substrate with a composition comprising: at least one triarylmethane dye molecule chosen from polymeric triarylmethane dye molecules, copolymeric triarylmethane dye molecules, oligomeric triarylmethane dye molecules, and mixtures thereof; at least one film forming agent; and at least one solvent; and irradiating said substrate with a flash of light.

 
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< Encapsulated pigments

> Compositions comprising at least one substituted carbocyanin derivative, processes for treating keratin fibers using them, device therefor and uses thereof

~ 00461