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 are caused by comedones that are hair follicles. Dirt, dead skin cells and excess oil clogs these follicles and cause comedonal acne. These can cause bumpy skin, blackheads, and ...

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.