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There's proof: Sunscreen reduces skin aging

By Caleb Hellerman, CNN

(CNN) -- It turns out sunscreen does more than protect you from cancer and painful sunburns -- it offers a boost to simple vanity.A new study finds that regular sunscreen use protects against photoaging: the wrinkling, spotting and loss of elasticity caused by exposure to the sun's ultraviolet radiation.While they may not be shocking, the findings -- from Australian researchers -- are the first to quantify sunscreen's anti-aging properties.More than 900 participants were followed for four years. Some were told to use sunscreen daily and instructed in proper use, including re-applying sunscreen after being outside for a few hours, after going in the water or after sweating heavily.