Yes, You Should Reapply Sunscreen Every 2 Hours While Outside (WUSA9)

June 29, 2021

If you take a peek online, you'll find lots of people sharing tips about just how often to reapply sunscreen. Many claim that you should reapply every two hours when you're out in the sun. Adam Friedman, MD, professor and chair of the Department of Dermatology at the George Washington University School of Medicine and Health Sciences, verifies with WUSA9 that this is true, but you may need to reapply more frequently if you're swimming or sweating.

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