Up to 72 hours of frizz control, even in 97% humidity, with our hair serum infused with argan oil plus Kera-System+ Scientifically proven to control frizz for up to 72 hours with our system of shampoo, conditioner and serum Paraben Free Leaping Bunny certified, Cruelty Free and Vegan Product Description Hair is almost entirely made up of protein, which gives hair its strength. Paraben-free Fructose formulas with Active Fruit Protein, an exclusive combination of citrus protein, Vitamins B3 & B6, fruit & plant-derived extracts and strengthening conditi1rs, are designed for healthier, stronger hair. Fructose Sleek & Shine In10sely Smooth Leave In Conditi1r with Argon Oil from Morocco soaks into frizzy, dry, unmanageable hair for lasting smoothness and shine. System provides frizz control even in 97% humidity.