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 ...
Medically reviewed by Susan Bard, MD Salicylic acid, topical retinoids, and benzoyl peroxide safely remove blackheads at home.Professional treatments may include microdermabrasion or chemical ...