Main product description Lifeless hair is a sign of dehydration. Hydrating Hyaluron Plump Shampoo immediately covers hair cuticles, hydrates for up to 72 hours, for shinier hair, 10 times more hydrated and revitalized without weight. Hyaluronic acid is found naturally in the body, is able to bind up to 1000 times more water than it weighs and helps hair rehydrate.