1. Health
You can opt-out at any time. Please refer to our privacy policy for contact information.

Comedone

By

Updated June 27, 2014

Definition: A plug of sebaceous and dead skin material stuck in the opening of a hair follicle. The follicle may be open (blackhead) or almost closed (whitehead).
Pronunciation: CO-mee-doen (noun)
Also Known As: acne, blackhead, open comedone, whitehead, closed comedone

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.