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How Does SPF Actually Work, Anyway?And what's all this UV business? |
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Sunscreen isn't a seasonal item, but more like an insurance policy against maladies that can actually kill you (melanoma is real, y'all). Instead of thinking about buying a bottle or two every summer, it's more akin to a hand cream or moisturizer: you should have some with you at all times, reapply often and make it a daily habit.
But it can be super confusing, right? All this talk of SPF and spectrums and how often to apply. Here's a little breakdown of how sunscreen works and why it's the most important health aid in your beauty arsenal. With a little help from Dr. Melissa Kanchanapoomi Levin, New York City board-certified dermatologist and founder of Entiere Dermatology, here's why sunscreen is your best friend for life.
Image via Imaxtree
Cover image via Imaxtree
SEE NEXT PAGE: What exactly is sunscreen?
