Are you using enough sunscreen? Here's how much you need and how often dermatologists say to reapply.

Follow this dermatologist-approved rule, and you'll get it right every time ...

As widespread heatwaves hit cities across the U.S., the best protection against the sun and UV rays is sunscreen. Every day, about 9,500 people are diagnosed with skin cancer in the United States, ...

Dermatologists explain how much sunscreen you actually need, how often to reapply and why SPF 30 or higher matters.

Georgia dermatologist Dr. Jessica Mercer shares the most common sunscreen mistakes she sees and how to better protect your skin from sun damage.