Problem

Blackheads

Nature:

Blackhead can refer to:

In biology:

Blackhead, a blocked sweat/sebaceous duct of the skin known medically as an open comedo Blackhead disease, which affects poultry

In history:

Brotherhood of Blackheads, a military order of unmarried merchants in historical Livonia
Broader Problems:
Acne
Unsightly skin blemishes
Problem Type:
G: Very specific problems
Date of last update
01.01.2000 – 00:00 CET