how-often-to-reapply-sunscreen

Key Takeaways

  • Sunscreen naturally becomes less effective after about 80 minutes, so steady reapplication is key any time you’re spending the day outside. 
  • Water, sweat, toweling off and general movement wear sunscreen down, which is why you need to reapply more often during active days or when you’re in and out of the water. 
  • Most people don’t apply enough sunscreen the first time, so reapplying helps fill in missed spots and makes sure your skin actually gets the protection you think it has. 
  • Even indoors, UVA rays can reach your skin through windows, so reapplying broad spectrum sunscreen matters if you hang out near natural light throughout the day. 

Table of Contents

You meticulously applied a solid coat of SPF 50 to your face and body this morning and are now ready to take on the day, sunburn-worry free. Right? Not necessarily. This guide breaks down some helpful advice on how often you should reapply sunscreen. Hint: it varies!
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