comedones on face - Health Topics
Comedones are called open or closed based on whether the surface is disrupted (open) or intact (closed). Open comedones are blackheads and closed comedones are whiteheads. Comedones are small bumps that appear when pores or hair follicles clog up with sebum and dead skin cells.
Understanding the Context
Proper skin care, topical products, prescription medications and procedures can help treat comedonal acne. Comedones are pores or hair follicles that have gotten blocked with bacteria, oil, and dead skin cells to form a bump on your skin. They are not as inflamed and painful as some other types of... Comedones arise when cells lining the sebaceous duct proliferate (cornification), and there is increased sebum production.
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Key Insights
A comedo is formed by the debris blocking the sebaceous duct and hair follicle. Learn what causes comedones, clogged pores that cause blackheads and whiteheads, and how to treat them. Comedones form when pores are clogged with excess oil, bacteria, and dead skin cells. You can treat whiteheads with benzoyl peroxide and retinoids. Different kinds of comedones require different treatments.
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A comedone is formed when the opening of a sebaceous (oil) gland on the skin gets clogged with dead skin cells and debris. Comedones: what are they and how do I treat them? - MDacne