- "Every inch of exposed skin should be covered every single day," an expert says
- Do you know the difference between chemical and physical sunscreen?
Still not wearing your sunscreen? Here are a few good reasons to start: Skin cancer is the most common cancer in the U.S. It's also the most preventable, says Clinical Associate Professor of Dermatology at NYU and Vice President of the Skin Care Foundation Dr. Elizabeth Hale, since regular use of sunscreen is one of the most effective prevention strategies around. What's more: 90 percent of skin damage (aka premature skin aging) is caused by UV exposure, says Hale. And (you guessed it) regularly wearing sunscreen is one of the best ways to stave off this wear and tear.