Extreme Protect SPF 40 is a multilevel environmentally protective treatment formula featuring our proprietary Extremozyme® technology combined with scientifically advanced all-physical sunscreen actives; transparent micronized Zinc Oxide and transparent micronized Titanium Dioxide. This antioxidant-rich state-of-the-art broad spectrum UVA/UVB sunscreen helps support optimal skin health as it moisturizes and protects. Apply liberally 15 minutes before sun exposure. Reapply: After 40 minutes of swimming or sweating, immediately after towel drying, and at least every 2 hours.