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. 2012 Sep;5(9):18–23.
FAST FACTS FOR PATIENTS
  • Sunscreens are most important from April to October.

  • Even on cloudy days, up to 80 percent of UVR is still transmitted to the Earth's surface.

  • Sunscreens are most important between 10am and 2pm.

  • Sun damage can happen even while driving in a car.

  • Apply sunscreens 15 to 30 minutes before sun exposure.

  • Use sunscreens with broad-spectrum SPF values of 15 or higher regularly and as directed.

  • Reapply at least every two hours or sooner if in the water.

  • There is no evidence that SPF values greater than 50 provide any additional clinical benefit.

  • New FDA regulations ban the use of the terms waterproof and sweat proof.

  • Never use a tanning bed or sun lamp.

  • Wear sunscreen and lip balm with SPF every day