4. You Have to Reapply Often during the Day

I wish someone would invent sunscreen that lasted for 24 hours, but alas, that hasnโ€™t happened yet.

Most products require reapplication about two hours after you originally put it on, and then every two hours thereafter for as long as youโ€™re outside.2

Once two hours has passed, the product stops being so effective.

Likewise, if you get wet or towel off, you need to reapply.2

Make Sure Youโ€™re Wearing Enough Sunscreen
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