Patent ID: 8178080

Claim:
A method for improving color retention of artificially colored hair comprising applying to hair that has been dyed with an oxidative dye, after it has been dyed but prior to a first shampooing, a composition comprising (i) a silicone polyurethane polymer, comprising Bis-hydroxypropyl Dimethicone/dicyclohexylmethane-4,4′-diisocyanate (SMDI) copolymer (INCI) (ii) a film-forming ester comprising a tri-ester of a C 6 -C 72 tricarboxylic acid with a branched C 8 -C 24 alcohol; (iii) fluorosilicone, and (iv) a vehicle; wherein said silicone polyurethane polymer, said film-forming ester, and said fluorosilicone are dispersible but not soluble in said vehicle.