List of best water resistant sunscreens and waterproof sunscreens for swimming available on the market. 'Water Resistant Sunscreen' means that the sunscreen retains its stated SPF value after a certain time (either 40 or 80 minutes) in water or while sweating. These tests must be conducted by a third party laboratory (usually the same lab that tests the SPF value of the sunscreen). Waterproof or resistant lotion is typically preferred for those engaged in water sports like swimming, surfing, or water-polo where they are both in the water and exposed to sun for extended periods of time. Non waterproof sunscreen typically washes off athlete’s faces, whereas the best waterproof sunscreen for face use stays put.If you are asking yourself, “What is the best brand of water resistant sunblock?” You can use this list of top sunscreen brands to inform your decision, compare prices, find cheap water-proof sunscreen, and be confident that you are buying the best brand of sunscreen that is right for you.