Sunscreen must-knows | Michelle Wong, PhD
The Proof with Simon Hill
Should I Reapply More Than Twice Every Two Hours?
Right now, the only claims on a sunscreen label that are properly regulated are SPF broad spectrum and water resistance. In Australia, we have a lot of sunscreens that have four hour water resistance. If you see the worst sweat resistant on a sunscreen and it's water resistant, that is probably your best bet for something that will work for tennis. But yeah, until we have that regulation, it's all going to be a bit of a guess. Okay. So if you're not swimming, but you're playing tennis, and you're sweating quite vigorously, would you need to reapply more than every two hours or you're saying that that sort of cadres for excessive sweating as
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