COSRX Oil- Ultra-moisturizing Lotion With Birch SAP provides 100 milliliters of a restorative formula for skin that is sun damaged, dry, or irritated. The key healing ingredient in this all-purpose moisturizing lotion is birch sap, which is a remedy for treating dry, sensitive, freshly exfoliated and sensitive skin conditions. Used on a daily basis, this lightweight, oil-free lotion will help restore and rejuvenate damaged skin tone and texture. It also absorbs quickly into the skin.