COSRX Hydrium Watery Toner is a deeply hydrating and refreshing toner designed to provide long-lasting moisture. Formulated with vitamin B5 (panthenol) and hyaluronic acid, it soothes and replenishes the skin while strengthening the moisture barrier. The lightweight, watery texture absorbs quickly, leaving the skin feeling soft, plump, and revitalized. Perfect for all skin types, especially dry or dehydrated skin.