| blackhead |
(or open comedo): A blocked pore in which the "plug" enlarges and pushes through the surface of the skin. The plug's dark appearance is not due to dirt, but rather to a buildup of melanin, the skin's dark pigment.
출처: www.proactiv.com/care/glossary.php
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| blackhead |
a small plug of sebum blocking the duct of a sebaceous gland especially on the face.
출처: www.sotret.com/glossary.asp
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