Repairs elasticity to help prevent breakage Seeks out only weak strands of hair in need of repair Replenishes necessary amino acids for tensile strength Designed to deeply penetrate damaged hair in need of intensive conditioning Improves hair strength while boosting hair protein for vibrant, healthy results Delivers varied molecular weights of plant-derived proteins to fill different size voids Especially beneficial for oxidized blondes and highlighted hair 100% Vegan, Cruelty-Free and Made in the USA Formulated without: gluten, sulfates and parabens