Perfect Hair Day (PhD) 5-in-1 Styling Treatment - 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.BenefitsCruelty-freeProvides UV protectionCreates a style with volume and smoothnessSafe for color and chemically treated hairConditions, strengthens and adds shineDelivers 5 benefits in 1 stepFor most hair typesFree of silicones, SLES and SLS, phthalates and glutenProvides heat protection (up to 450 F/230 C)Key IngredientsHealthy Hair Molecule: Smooths, protects and polishes by forming a weightless shield around each hair strandTucuma Butter: Conditions dry and damaged hairThickening Molecule: Deposits microscopic thickening dots between strands so hair looks and feels naturally fullerConditioning Styling Polymer: Provides thermal protection and soft, flexible hold to maintain your style even in high humidity - Perfect Hair Day (PhD) 5-in-1 Styling Treatment