Instant Alert: Here’s what that number on every bottle of sunscreen you buy really means

MANAGE SUBSCRIPTIONS   |   UNSUBSCRIBE   |   VIEW ONLINE   Here's what that number on every bottle of sunscreen you buy really means by Arielle Berger on Jul 5, 2016, 6:52 AM We all know we're supposed to wear sunscreen to protect our skin. But how does sunscreen work? What does SPF mean? Here's everything you need to know before you hit the beach this summer. Produced by Arielle Berger Follow BI Video: On Twitter   Share the latest business news with your network: Email sent to:   |   Manage your email preferences   |   Unsubscribe Terms of Service   |   Privacy Policy Business Insider. 150 Fifth Avenue, New York, NY 10011