Sunscreen "Myths": What the Science Tells Us...

Is a sunscreen with an SPF of 30 really no better than one with an SPF of 15? Do sunscreens prevent...or cause skin cancer? What exactly does SPF really mean? Despite how ubiquitous sunscreens are, studies have shown that many of us actually know very little about the lotions we put on to protect us from the sun. The following are some of the more common sunscreen "myths" I encounter, along with my attempt to clarify what it is that the science tells us.

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