Cosrx Oil-Free Ultra Moisturizing Lotion With Birch Sap Is A Lightweight, Non-Greasy Moisturizer That Contains Birch Sap Extract. This Lotion Provides Effective Hydration To The Skin Without Leaving Any Oily Residue. It Can Be Used As Part Of A Daily Skincare Routine To Moisturize The Skin And Improve Its Elasticity Without Causing Pore Congestion.