Active ingredient
Sulfur
An OTC-approved acne-treatment active (up to 10%) that works via antimicrobial and mild keratolytic mechanisms to reduce breakouts and control oil.
Also known as: sulphur, precipitated sulfur, colloidal sulfur
antimicrobialkeratolyticsebum-control
Benefits
- ✓Reduces acne-causing bacteria and fungal organisms
- ✓Promotes shedding of dead skin cells (keratolytic effect)
- ✓Controls excess sebum production
Watch for
- ⚠Can cause dryness, peeling, and irritation especially at higher concentrations
- ⚠Distinct odor that some users find unpleasant
- ⚠Maximum OTC concentration is 10%; avoid combining with other acne actives without guidance