COSRX Triple Hyaluronic Water Wave Sheet Mask is a hydrating facial mask that combines three types of hyaluronic acid with panthenol to provide intense moisture to dehydrated skin. The biodegradable sheet mask delivers deep hydration while being eco-friendly. This 20ml sheet mask features a light, watery texture that provides an immediate cooling and rejuvenating effect. It should be applied to cleansed skin and left on for 15-20 minutes. After removing the mask, gently pat any remaining essence into the skin for maximum absorption. The mask is suitable for daily use and is formulated to be gentle enough for all skin types.