A clogged hair follicle (pore) in the skin, which can be open (blackhead) or closed by skin (whitehead), often associated with acne.
The dermatologist explained that a comedo is the initial stage of acne formation.
comedoadjective
Relating to or involving comedones (blackheads or whiteheads).
Comedo extraction is a common dermatological procedure.
comedonesnoun
Small, flesh-colored, white, or dark bumps that give skin a rough texture, commonly known as blackheads or whiteheads, which are caused by clogged hair follicles.
The dermatologist explained that the tiny bumps on her nose were comedones, which could be treated with a special cleanser.