Sunblock Breakdown: What you need to know before buying SPF

By KBJR News 1

August 14, 2014 Updated Aug 14, 2014 at 9:08 AM CDT

Duluth, MN (NNCNOW.com) - Essentia Health esthetician Marne Guthrie talks about what number SPF you should be using and what to look for on the bottle before you buy.