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SPF stands
for skin protection factor. We all have a natural SPF, which varies from person to person.
SPF measures the amount of time it takes your skin to burn when exposed to the sun. When
you apply a sunscreen with SPF 15, you can be out in the sun 15 times longer than you can
without sunscreen before burning.
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Dermatologists recommend using a sunscreen with SPF 15 or
higher. Look for those that block both UVB and UVA rays. Use a waterproof or
water-resistant sunscreen. Water-resistant sunscreens maintain
their SPF for 40 minutes after swimming or sweating heavily.
Make sure to reapply every 40 to 80 minutes, depending on which
type of sunscreen you use. |
When you're skiing, wear a higher SPF. For every 1,000 feet you
go above sea level, UV radiation increases by 4%. To protect
yourself adequately at our altitude, go for a waterproof SPF 30
sunscreen. Also, snow reflects about 80 percent of the sun's rays
back at you, which makes it even more important to protect your
skin.
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Don't forget > protect your lips! |
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