iS Clinical Eclipse SPF 50+ is an ultra-sheer, broad spectrum, sunscreen. Its lightweight formula absorbs quickly for a non-greasy matte finish. This sunscreen has been specially formulated for daily use and extended outdoor activities. It is water resistant for up to forty minutes. This product is a unique fusion of scientifically advanced products. It is an antioxidant-rich blend that also supplies broad-spectrum UVA/UVB protection.