The main cause of back acne in adolescents and adults is excess sebum production.
Since the sebaceous glands are most often on the face, shoulders and back - in these areas acne occurs.
The causes of skin problems are divided into 2 types:
Possible causes of back acne:
excessive alcohol consumption
high humidity, dustiness in living quarters
non-observance of hygiene rules
clothes made of low-quality synthetic materials
in women pregnancy, menstruation
in men increased production of androgens