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CLOTHING is the most effective form of sun protection
Ultraviolet Protection Factor (UPF) indicates how much UV radiation a fabric allows to reach your skin. For example, a UPF 50 fabric blocks 98 percent of the sun’s rays and allows two percent to penetrate, thus reducing your exposure risk significantly. UPF measures the amount of UV radiation that can penetrate fabric and reach your skin. Sun Protection Factor, or SPF, is based...
