Stay Active and Protected with our SolRX Active Zinc SPF50 100ml lotion and fast application Spray Dry SPF50 pack. SolRx’s flagship SolRX WATERBLOCK™ SPF50 Zinc Sunscreen 100ml lotion is the trusted choice of athletes and lifeguards for protection against harmful UVA and UVB rays. Differing from normal sunscreens, SolRX SPF50 Zinc blocks the sun’s harmful rays, instead of reflecting them. Originally designed for triathletes, swimmers and surfers, our SPF50 Dry Zinc sunscreen offers our ultimate water and sweat resistant sun protection. sunscreen, WaterBlock SPF 50 Water Resistant Sunscreen, is the choice in SPF 50 Sunscreens for athletes around the world because of the ultimate protection it provides. WaterBlock SPF 50 sunscreen protects athletes from 98% of sunburn-causing UVB rays as well as the UVA rays that age and wrinkle skin. The Spray Dry format is very popular with athletes needing to cover larger areas of skin, such as cyclists. It goes on easily and dries leaving no oily or greasy residue, so it won’t impact your performance with slippery skin or hands.