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 hairLightweight, non-heavy Fructis Sleek & Shine Zero Shampoo with zero silicone and with fairly & sustainably sourced Marula Oil, helps discipline frizzy, fine hair for weightlessly long-lasting smooth hair with natural movement. No weigh down. No greasy feel.