Physical Fusion UV Defense SPF 50 is a weightless sunscreen fluid that combines 100% mineral filters with translucent color spheres for effective, broad-spectrum UVA/UVB protection and an even, radiant finish. This high-protection zinc oxide mineral sunscreen also contains artemia salina, a plankton extract known to increase skin’s resistance to UV- and heat-induced stress. Dermatologist-tested for safety. 1.7oz.