What causes lip lines?

Lip lines or wrinkles around the mouth are complicated, because they show up over time; sun exposure and smoking are big culprits. Watch dermatologist Doris Day, MD, discuss some causes of lip lines, and share tricks for treating them.

Wrinkles are creases in the skin—most of which are the result of aging—and, unfortunately, there's little you can do to prevent them.

Like other articles of clothing, masks can irritate the skin. Try these tips to keep your skin feeling good.

While diet alone is not enough to manage atopic dermatitis, many people with AD follow a low-inflammatory diet.

Follow these tips to create a safer sleep haven.

Vague terms on ingredient lists can conceal real hazards.