Adult acne can be caused by factors ranging from not washing off makeup to stress and diet. These dermatologist-approved ...

Medically reviewed by Marisa Garshick, MDKey TakeawaysLip pimples may take extra care since the skin in this area is delicate, and some harsh substances should not be applied near your ...

A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

High levels of progesterone may cause acne in some people. This is because it stimulates the sebaceous glands, which produce oil, or sebum. This can block pores, resulting in acne. However, it is ...

NEW YORK — As a teenager, Gillian Maegan Montalbo's pimples weren't too bad — just a few bumps on her forehead and nose. But as an adult in the workforce, the breakouts returned and intensified. The ...