L'Oreal Paris Elvive Hyaluron Leave-In Hair Serum Spray, part of the Elvive Hyaluron Plump range, is a deeply hydrating leave-in treatment designed for dehydrated hair. Formulated with a 2% Hyaluronic Care System, this moisture-plump serum instantly replenishes hair, providing up to 10x more hydration for a soft, revived look. It works to rehydrate and restyle hair, leaving it smooth, shiny, and more manageable without buildup. Perfect for those with dry or dehydrated hair, this lightweight spray helps restore moisture and keeps hair feeling refreshed and plumped throughout the day.