Moroccanoil Perfect Defense is a weightless, dry aerosol, heat protective spray. This nourishing, argan oil and vitamin-fueled formula re-hydrates the hair while protecting against the damaging effects of heat styling up to 230C (450F). Key Ingredients: Argan Oil: extremely rich in tocopherols (Vitamin E), essential fatty acids and antioxidants, this natural oil helps to nourish. Panthenol: a form of Vitamin B5 that hydrates and imparts a glossy finish. Octylacrylamide/Acrylates/Butylaminoethyl Methacrylate Copolymer: thermal protection ingredient.