Kerastase Ciment Anti-Usure is the first double reconstruction treatment for weakened hair with Topseal protection. It works to rebuild your hairÕs internal strength and leaves it full of body, vitality and shine whilst feeling incredibly soft. Kerastase Ciment Anti-Usure is formulated with dual action technology, Vita-Ciment which instantly rebuilds the internal substance of the hair fiber and Vita Topseal which mimics the hairÕs natural cuticle layer and seals in the renewed strength. Hair will feel full of strength and body and is left beautifully soft and shiny.