'What SPF Do I Need?' Here's a Dermatologist's Reliable Method …
https://www.thehealthy.com/skin-health/sun/what-spf-should-i-use/
WebMar 14, 2023 · The US Food & Drug Administration (FDA) says that, in general, everyone should use a broad-spectrum sunscreen with an SPF of at least 15, reapplying every two hours. And if you have fair skin, the FDA recommends upping that SPF to between 30 and 50—in fact, SPF 50 is the FDA’s highest official recommendation.
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