The Sunscreen is a 100% mineral sunscreen infused with skincare actives. Hyaluronic Acid, Niacinamide and Panthenol hydrate. 20% Non-Nano Zinc Oxide and 1% Laminaria Saccharina (Algae) protect against sun damage and premature aging. The Sunscreen is a physical barrier cream. No Chemical Screens. No Silicones. No Parabens. No PEGs. To achieve a validated-by-test SPF 30 claim a 20% Non-Nano Zinc-Oxide concentration was required. Zinc Oxide will leave some cast on skin. The Sunscreen is designed as a daily skincare essential for exposed areas. The formula is not designed as a water and sweat resistant base for body.