Acne vulgaris (commonly called acne) is a common skin condition, caused by changes in the pilosebaceous units, skin structures consisting of a hair follicle and its associated sebaceous gland via androgen stimulation. It is characterized by whiteheads, blackheads, and inflamed red pimples or "zits".

Symptom severities
Severe
18
Moderate
55
Mild
82
None
50
Last updated: