SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/sunscreen-reapply

You're at the lake all day. How often should you put on more sunscreen?

Reapply sunscreen about every 2 hours, and after swimming or sweating, no matter the SPF.

  1. About every 2 hours, and again after swimming or sweating ✔
  2. Once in the morning is enough if it's SPF 50 or higher
  3. When your skin starts looking a little pink

Why: Sunscreen wears off as you swim, sweat, and towel off, even the strong stuff. Put more on about every 2 hours, and right after you get out of the water. A grown-up needs about enough to fill a shot glass to cover the whole body.

Huh, didn't know that: A grown-up needs about enough to fill a shot glass to cover the whole body.

The dad joke
Why do bananas wear sunscreen at the beach? They peel easily.
Like this card?
Play the game

Sources

  1. American Academy of Dermatology: Sunscreen FAQs and stats https://www.aad.org/media/stats-sunscreen
Outdoors & CampingYou're lost on a hiking trail. What do you do?Outdoors & CampingA thunderstorm chases you away from the campfire. When is it safe to go back out?Outdoors & CampingYou find a tick stuck in your skin after a hike. What's the best way to get it out?

That's stuff everyone should know.