The Laneige Water Sleeping Mask is a 2.3-ounce overnight treatment designed to hydrate and revitalize your skin while you sleep. Infused with Hydro Ionized Mineral Water and Sleep-Tox™ technology, it delivers intense moisture and purifies the skin. Wake up to a refreshed, radiant complexion with this lightweight, gel-textured mask that absorbs quickly and is suitable for all skin types.