Did you know that hair is 90% protein? Daily damage strips this protein away. That’s why Dove Nourishing Boost + Hyaluron Shampoo is formulated with patented Bio-Protein Care technology, backed by 10 years of research. Part of our Damage Therapy system, this shampoo protects, repairs and restores hair to reduce signs of damage. Infused with hyaluronic acid serum, the formula delivers deep nourishment to dry and weakened hair, leaving it up to 5x smoother* We believe no young person should be held back from reaching their full potential. *When using Dove Nourishing Boost + Hyaluron Shampoo and Conditioner vs non-conditioning shampoo. -Get up to 5x smoother hair when using Dove Damage Therapy Nourishing Boost + Hyaluron Shampoo -Infused with hyaluronic acid serum -Features Bio-Protein Care technology backed by 10 years of research -Protects, repairs and restores hair to reduce signs of damage -PETA-Approved Vegan -We do not test on animals anywhere in the world