Style and treat in one simple step. Living Proof Perfect hair Day (PhD) 5-in-1 Styling Treatment is made to smooth, volumize, condition, strengthen and polish. Gives 5 benefits in 1 step Creates a style with volume and smoothness Conditions, strengthens and adds shine Provides heat protection (up to 450 F/230 C) Provides UV protection For most hair types Safe for color and chemically treated hair Free of silicones, SLES and SLS, phthalates and gluten Ingredients Healthy Hair Molecule: Smooths, protects and polishes by forming a weightless shield around each hair strand Thickening Molecule: Deposits microscopic thickening dots between strands so hair looks and feels naturally fuller Tucuma Butter: Conditions dry and damaged hair Conditioning Styling Polymer: Provides thermal protection and soft, flexible hold to maintain your style even in high humidity Suggested Use> Apply Perfect hair Day (PhD) 5-in-1 Styling Treatment to damp hair. Blow dry.