This is the original Saurus formula that we've sold for over 20 years, now packaged under the name SolRx. This sunscreen is Sal-Free and Waterproof for 8 hours. Scrub off with soap and water. Water-based, Unfragranced, Paba-Free, Paraben-Free, Oil-free, Eco-friendly. Apply at least 10 minutes before getting in the water.