Three Truths and One Lie About Sunscreen

I have received many questions about sunscreen lately. Here are three truths and one fallacy about the summer’s hottest product—based on your queries. Source: Dr. Ellen Marmur, a dermatologist in New York City, author of Simple Skin Beauty: Every Woman’s Guide to a Lifetime of Healthy, Gorgeous Skin. 1. Sunscreen expires. It’s usually good for three years. Hopefully, you’ll use it up long […]