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By now you’ve probably heard of SPF, a.k.a Sun Protection Factor and the importance of monitoring the amount of sunlight exposure you get. But have you ever heard of UPF, a.k.a Ultraviolet Protection Factor? Don’t let SPF steal all the sunlight, because we should absolutely be paying attention to UPF as well.
UPF differs from the more commonly-known SPF because it “measures the amount of UV radiation that can penetrate fabric and reach your skin,” according to the Skin Cancer Foundation, whereas SPF is applied directly to your skin and needs to be reapplied while out in the sun. And yes, applying SPF is still crucial to protect your skin and help prevent sun damage and certain skin cancers from potentially developing. But, wearing sun-safe clothing is also something incredibly smart you can do to help protect your skin.