8, 1993Oct 21, 1997L'orealCosmetic composition for holding the hairstyle, containing a milk protein and/or milk protein hydrolysate and a keratin hydrolysateUS6723308Nov 2, 2001Apr 20, 2004Kenra, LlcPre-straightening the hair, first removing a residue from the previous straightening treatment, treating with an aqueous solution including an acids and an amphoteric surfactantUS6805136Nov 2, 2001Oct