Polyquaternium-11 is a quaternized copolymer of vinylpyrrolidone and dimethyl aminoethylmethacrylate, acts as a fixative,film-forming and conditioning agent. It provides excellent lubricity on wet hair and ease of combing and detangling on dry hair. It forms clear, non-tacky, continuous films and helps build body to hair while leaving it manageable. It improves skin feel, provides smoothness during application and skin conditioning. Polyquaternium-11 is suggested for use in mousses, gels, styling sprays , novelty stylers, leave-in conditioning lotions, body care, color cosmetics, and facial care applications.