What Is It?
Often known by its brand name, AczoneⓇ, dapsone is a topical medication called a sulfone antibiotic that works primarily by decreasing inflammation in the skin and also suppresses the growth of acne bacteria.
Efficacy
Strength of Evidence
Average 53% reduction in acne after 12 weeks
Side Effects
Low-Medium
Low-medium side effects and adverse reactions
Acne.org's Real World Take
An anti-inflammatory that takes weeks or months to kick in, so you’ll need patience. Provides modest benefit in some users. It’s never hit the big time in acne treatment. But it’s an interesting way to target acne on a purely inflammation level.