Daily Archives: May 29, 2016

Woman applying sunscreen
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SPF 30 vs SPF 50

When you shop for sunscreens, you’ve probably noticed products available with SPFs ranging from 15 to 100. You would think an SPF of 100 would be more effective than one of 15, but it’s not as simple as that. So, what exactly do all these numbers mean? SPF refers to a sunscreen’s ability to block…

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