INVISIBLE ZINC is a physical sunscreen range that contains Zinc Oxide as the only active ingredient, providing a barrier to reflect harmful UVA + UVB radiation away. Invisible Zinc 4HR Water Resistant sunscreen provides 4 HR Water Resistant protection suitable for family, sport and active use. Use INVISIBLE ZINC daily to protect your skin, help reduce the appearance of premature skin ageing and assist in the prevention of excessive degeneration of the cell's DNA caused by sun exposure. A 4HR water resistant sunscreen for universal face and body applications with the highest SPF protection available.