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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. In theory, SPF 50 and ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Choosing a sunscreen used to be simple. You picked the cheapest or ...

Everyone has that friend who compulsively applies the highest SPF they can find on anytime they step outside. While you can’t fault them for practicing sun safety, it’s normal to wonder if wearing SPF ...

Choosing a sunscreen may be difficult when there’s so many options on the market. You can start by looking for those of at least SPF 30. If you spend any time outside, chances are you’ve heard a ...

Sunscreens with SPF higher than 50 might seem like your best bet, but they could backfire. People who use them may think they can stay out in the sun longer, skip reapplication, and neglect other ...

There’s an elixir that can keep your skin from looking old before its time and protect you against the most common type of cancer: It’s called sunscreen. Winter, spring, summer, and fall, you should ...