Physical Fusion UV Defense SPF 50 is a weightless fluid with 100% physical filters that effectively provides broad spectrum UVA/UVB protection and is water resistant up to 40 minutes. This high protection zinc oxide sunscreen contains artemia salina, a plankton extract that increases skin’s resistance to UV- and heat-induced stress, and translucent color spheres that adapt to every skin tone for an even tone, radiant finish.