Comedones are bumps on your skin caused by blocked hair follicles, leading to blackheads and whiteheads. Use oil-free and non-comedogenic products to help prevent comedones from forming. Topical ...

Comedonal acne presents as many small papules, the same color as the surrounding skin, that make the skin appear bumpy. Types include whiteheads or closed comedones, blackheads, and open comedones.

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 ...