Missha Airy Fit Sheet Mask Cucumber is a water-type sheet mask that hydrates and replenishes dehydrated skin. Infused with refreshing cucumber extract, this mask delivers intense moisture while providing a cooling, soothing effect. The active ingredients in the formula are kept in their most natural state, due to the cold brew method of extraction; this allows them to retain their original freshness and deliver it to your skin with great safety and effectiveness.