Kérastase Resistance Ciment Anti-Usure is a conditioner specifically designed to repair and treat damaged or damaged hair.Its formula rebuilds and strengthens the hair fiber from the inside. Thanks to its content in Pro-Keratin, Ceramide and Sap from the Resurrection Plant.The result is strong, healthy-looking hair.We recommend massaging on mid-lengths and ends and leaving for 1 to 2 minutes. Rinse with lukewarm water.