Living Proof Perfect Hair Day Healthy Hair Perfector is a lightweight hair repair treatment that instantly transforms dry or damaged hair by restoring hairs outermost protective layer, leaving hair softer, shinier, smoother + healthier-looking after one use. Features & Benefits:Restores hairs outermost protective layer the F-layer to leave it looking smooth while adding softness + shineReduces the appearance of split ends after one useImproves manageability, increasing ease of brushing, combing + stylingReplenishes hairs lost lipids while blocking humidity to provide frizz protectionContains antioxidants to help protect against free-radical damage from UV rays and pollution