formed when oil and dead skin cells become trapped in a pore and mix with bacteria.
Clogged skin pore with a visible black plug
(comedones) A small plug of sebum blocking the duct of the sebaceous gland.
Blackheads are the primary lesions in acne. A small black spot caused by the plug clogging of the skin pores.
A plugged follicle that reaches the skin's surface and ruptures, turning dark when the oil oxidizes in response to air exposure.
small, dark spots (about the size of a pinhead) caused by discoloration of the surface of a small plug in the opening of a follicle (pore).
dark formations on the skin due to an accumulated mixture of oil and cells in a blocked skin pore; the pore is clogged close to the surface of the skin.
A term used to describe the skin's pores clogged by natural oils and impurities.