Zinka SPF 30 Clear Zinc Oxide Sunscreen is a broad spectrum UVA / UVB Protector that performs in extreme weather conditions. The formula contains high amounts of Zinc Oxide; an ingredient known to be one of the most powerful BLOCKERS of UV rays. Zinc Oxide is all natural and highly effective and works by reflecting the sun's damaging rays. The formula is water resistant and oil free. also loaded with Aloe Vera and Vitamins A & E. The mild coconut scented formula goes on smooth and stays on for hours.