If you’ve perused the sunscreen aisle — and hopefully you have at this point in the summer! — you’ve seen the selection of SPFs available. There’s everything from SPF 15 to SPF 100 and beyond. It can ...

This article was medically reviewed by Heather Woolery-Lloyd, MD, a board-certified dermatologist and member of the Prevention Medical Review Board, on April 30, 2019. You know you need to apply ...

So should you ditch your trusty SPF 30 for the newer, higher version? And will it really make that much of a difference to your skin over time? Here's what an expert thinks. The rule of thumb is that ...