One out of every five Americans will develop skin cancer in their lifetime, according to the American Society for Dermatologic Surgery. "We're still not getting the message through," says Washington, D.C. dermatologist Tina Alster. "Young people never think they're gonna look old," Alster adds. "Ninety percent of aging is related to the sun."
Read on to see how you can protect your skin, no matter the season.