Question: how does aczone 7.5 work?
Answer: Dapsone is an antimicrobial, so it works by reducing the amount of Propionibacteria acnes (the bacteria that cause acne breakouts). ... 
Aczone also reduces inflammation. ... 
Aczone can be used to treat both adult acne and acne in teens 12 and over. ... 
Aczone can cause dryness, peeling, and redness of the skin.