Comedones are a type of acne that occurs when hair follicles in the skin become clogged by oil, dead skin cells, and debris. This causes small bumps commonly known as blackheads (open comedones) or ...

A lone blackhead on your chin and a throbbing cyst along your jaw can feel like two completely different skin problems—because, biologically, they are. Acne is an umbrella term that covers several ...

Blackheads are among the most widespread skin troubles, those little dark spots that erupt on the nose chin and forehead. They’re a form of acne called an open comedone, which occurs when hair ...