There Is No Such Thing As “Waterproof” Sunscreen
Many sports sunscreens advertise themselves as “water-resistant,” which some people interpret as waterproof. But according to the FDA, there is no such thing as waterproof sunscreen. If you go swimming, your sunscreen will wash off in a short amount of time.
The term “water-resistant” tells people how long sunscreen lasts in the water. Most resistant sunscreen lasts for 40 minutes in the water; “very water-resistant” sunscreens can last up to 80 minutes. The takeaway: when you go swimming, you need to reapply sunscreen more often.
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