Clinically proven 48-hour hydration*      Infused with a blend of low and high molecular weight hyaluronic acid, known to easily absorb and lock in moisture, this high-lathering formula utilizes the science of skincare for the hair of your dreams. Hair is left hydrated and balance is restored for shiny, healthy-looking results. Hydration that will leave you saying “whoa!”    Size: 10 fl oz    *Clinically tested as a system with H2-Whoa Hydrating Conditioner.