Sun Protection: SPF vs. UPF
Art of Dermatology
AUGUST 23, 2023
With summer being hotter than ever, sun protection for your skin could not be more important. But the world of sun protection can be hard to understand when there are industry terms like SPF, UPF, UVB, and UVA. SPF stands for sun protection factor, and it is the number that rates how well sunscreen filters out UVB rays.
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