COSRX Oil-Free Ultra-Moisturizing Lotion delivers calming hydration. Formulated with 70.8% birch sap, this lotion helps to keep skin hydrated and calm. The lightweight formula absorbs quickly, leaving skin feeling smooth and replenished. It works to optimize moisture levels at the surface and deeper within the epidermis. Perfect for all skin types, this lotion provides a nourishing cocktail of proteins, minerals, enzymes, and amino acids.