**This product is Over-The-Counter (OTC) registered. *This product is not available to customers outside of the U.S. due to customs regulations. Experience the perfect blend of hydration and sun protection with ROUND LAB's Birch Moisturizing UV Sunscreen. Infused with birch sap and hyaluronic acid, this lightweight formula delivers deep moisture while shielding your skin from harmful UVA and UVB rays with SPF 45 Broad Spectrum. The sunscreen's gentle, non-greasy texture absorbs quickly without leaving a white cast, making it ideal for daily use under makeup or on its own. Enriched with niacinamide and allantoin, it not only protects but also soothes and brightens the skin, promoting a healthy, radiant complexion. 50 ml/ 1.69 fl. oz.