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 conditioners, are designed for healthier, stronger hair. Fructose Sleek & Shine Intensely Smooth Leave In Conditioner with Argon Oil from Morocco soaks into frizzy, dry, unmanageable hair for lasting smoothness and shine. System provides frizz control even in 97% humidity.