Formulated with 70% Birch Sap (Betula Platyphylla Japonica Juice) this lotion helps hydrate & treat sensitive irritated or freshly exfoliated skin. Oil Free Ultra Moisturizing Lotion contains 70% Birch Sap (Betula Platyphylla Japonica Juice) a powerhouse ingredient for calming & treating sensitive irritated or freshly exfoliated skin with an oil-free lightweight formula. This lotion was developed to complement COSRX's famous AHA BHA & Vitamin C products. It's suitable for all skin types including sensitive oily & acne-prone skin.