Hair is almost entirely made up of protein, which gives hair its strength. 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 Grow Strong Conditioner, with Apple Extract and Ceramide, fortifies hair as it grows to bring life back to every inch: stronger, healthier, & shinier.