Comedo
Comedo is a skin condition which is considered to be the primary indication of acne. Usually filled with bacteria and sebum, a comedo may be closed or open. The closed variant is termed as a whitehead, while the open variety is blackhead.
Comedo is classified as:
Types of comedo
Comedo is classified as:
- Chloracne: A cluster of comedones that develops into a rash. This is usually caused on exposure to chlorinated chemicals.
- Whitehead: This is a non inflammatory type of comedo with a white center.
- Blackhead: Often referred to as an “open comedo,” this is filled with dead skin cells and sebum.

