Hair is almost entirely made up of protein, which gives hair its strength. All new, paraben-free Fructis 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. Fructis moisture lock with cactus extract locks in 48 hours of moisture into normal to dry hair with every wash, while strengthening strands to help prevent moisture loss & help resist chronic dryness from frequent shampooing. Hair feels weightless, softer and looks shinier, even after washing up to twice a day! (with shampoo, conditioner & leave-in treatment).