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Comedo

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A comedo is a mass of hardened sebum (oil) and skin cells that accumulate within a hair follicle, leading to the formation of a small bump on the skin. Comedones can be either open (blackheads) or closed (whiteheads). Understanding the differences between open and...

Comedogenic (Comedogenicity)

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Comedogenic refers to the potential of an ingredient to clog hair follicles, leading to the accumulation of dead skin cells and resulting in the formation of comedones (blackheads and whiteheads). Understanding the concept of comedogenicity and its implications can...