Demystified: What Does "SPF" Mean?

And does "high SPF sunscreen" mean that it's better?

Can’t see this email? view online DEMYSTIFIED What Does "SPF" Mean? A day at the beach is incomplete without that sticky feel of sunscreen on your cheeks. SPF sunscreen plays an important part in protecting skin from the sun, but when you’re stuck deciding between SPF 15 and SPF 30, how do you know what to choose? Find out in this week's Demystified. READ MORE advertisement Want more from Britannica? Follow us on your favorite social networks for updates from Britannica including trending topics, interesting facts, and special deals and discounts. advertisement Follow: To unsubscribe from Britannica emails, click here This email was sent by: Encyclopædia Britannica 325 N. LaSalle Street, Suite 200, Chicago, Illinois, 60654, United States © 2020 Encyclopædia Britannica, Inc. • Privacy Policy • Help