Picking the 'right' sunscreen isn't as important as avoiding these 6 mistakes

Using sunscreen plays a key role in protecting skin from ultraviolet (UV) radiation from the sun.Namthip Muanthongthae/Getty Images If you find a bottle of sunscreen packed in last year's pool bag, here's a suggestion: Toss it out.Since the active compounds can degrade and lose their effectiveness, slathering on old lotion or spray is one mistake people make when trying to protect their skin.

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