SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ski-uv-reapply-two-hours

How often should you reapply sunscreen on the slopes?

About every two hours, or after sweating.

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  1. About every two hours ✔
  2. Once in the morning
  3. Every six hours

Why: Sweat, wind and rubbing wear sunscreen off. For a long day outside, the Skin Cancer Foundation suggests water-resistant, broad-spectrum SPF 50 or higher.

Huh, didn't know that: CDC also recommends a wide-brimmed hat, sunglasses and covering up.

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Why doesn't the sun trust umbrellas? Because they're so shady.
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References

Answer: About every two hours. Sweat, wind and rubbing wear sunscreen off. For a long day outside, the Skin Cancer Foundation suggests water-resistant, broad-spectrum SPF 50 or higher.

  1. Skin Cancer Foundation: Sun protection www.skincancer.org/skin-cancer-prevention/sun-protection
    Reapply every two hours or after swimming or sweating.
    Checked 2026-10-10.
  2. Skin Cancer Foundation: Sun protection www.skincancer.org/skin-cancer-prevention/sun-protection
    For extended outdoor activity, use a water-resistant, broad-spectrum sunscreen with an SPF of 50 or higher.
    Checked 2026-10-10.

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