Anyone who has watched a pimple popping video online may be familiar with the word comedo. Dermatologists use comedo to describe the most common types of acne. A comedo can be either a whitehead or a ...

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 ...

Comedones are small flesh-colored acne papules. They usually develop on the forehead and chin, but can appear almost anywhere. Blackheads and whiteheads are the most common forms of comedonal acne.

The condition—hence its other nickname—is often associated with people who have also smoked excessively, in addition to spending lots of time in the sun. Thankfully, despite how alarming it can seem ...