What it is: A weightless, silicone-free, leave-in hair serum that shields strands from pollution for 48 hours and provides heat protection up to 450°F.Who it's for: All hair types and textures.What it does: The leave-in serum protects strands, leaving hair shiny, smooth and tangle-free. Red Algae Extract bonds to wet hair like an invisible shield to block pollutants, nourish hair, and deliver potent antioxidants to the cuticle that neutralize free radicals before they cause damage. How to use: As the first step in your styling routine, apply a small amount to damp hair working upward from ends to roots. Use more as needed for longer, thicker hair. Use on days you wash your hair and any days in between for added protection. 3 oz. Paraben-free; phthalate-free; sulfate-free; silicone-free; gluten-free; phosphate-free Cruelty-free Vegan