The Watermelon Sheet Mask from Oh! K is a revitalising hydration hit for brighter skin. This biodegradable sheet mask is formulated with watermelon, hyaluronic acid and vitamin C that helps the skin to hydrate and appear brighter. The eucalyptus fibre sheet masks create a barrier on the skin to prevent the formula from evaporating and are designed to deliver a supercharged dose of skin hydrating ingredients.