Your Top 5 Sunscreen Questions, Answered By a Dermatologist

How much do you need to put on? What if you have a sunscreen allergy? Dermatologist Doris Day M.D. has the answers to all your sunscreen questions (6 Photos)

Doris Day on May 24, 2013 at 10:28AM

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Your Top 5 Sunscreen Questions, Answered By a Dermatologist

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When Do I Need to Put Sunscreen On?

If you plan on spending extended time outdoors, you should apply sunscreen generously to all exposed skin at least 15 minutes to a half hour before going out. For optimal protection, be sure to keep reapplying every 2 hours, especially if you are spending a day at the beach. If you go in the water, re-apply after toweling dry. Remember, sun protection is important every day, all year round, even on cloudy days or if you're just going for a walk or a quick errand.
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