Polyquaternium 10-400 is a cosmetic ingredient that is widely used in hair care products due to its anti-static and moisturizing properties. It is compatible with a wide range of surfactants. A non-tacky film former, Polyquaternium 10 supplies sheen coating to hair and can also aid in the repair of damaged hair. Polyquaternium 10-400 is designed to provide conditioning and rich feel to hair and skin. It can be formulated in clear products. A quaternized hydroyethyl cellulose, Polyquaternium 10-400 is a polymeric quaternary ammonium salt and a cationic polymer.