(n) :
a comedo, a skin blemish, a type of acne vulgaris, where a pore becomes clogged with a dark, hard, cheesey keratin-filled substance forming a hard black "head" on the skin's surface
(n) :
a comedo, a skin blemish, a type of acne vulgaris, where a pore becomes clogged with a dark, hard, cheesey keratin-filled substance forming a hard black "head" on the skin's surface