Frequent is safest: Most sunscreens are not sweat or water proof. If you are swimming, frequent application is reaquired. For non-vigorous activities, applying once is usually sufficient. However, frequent applications will prevent inadvertent overexposure to the sun.
Answered 1/28/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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