As temperatures climb and sleeves grow shorter, a familiar ritual returns: slathering on the sunscreen—or perhaps skipping it. Confusion lingers about how to protect our skin from the sun. Do we need ...

Modern formulas shield against sunlight, against pollution, heat, and even the internal chemical reactions that speed up ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Browsing the sunscreen aisle at the pharmacy can be overwhelming ...