Salicylic acid is another popular OTC acne treatment. At high concentrations, you can also use it for cosmetic chemical peels. Sulfur is a chemical element. It was a common ingredient in acne ...

These include benzoyl peroxide plus clindamycin, benzoyl peroxide plus erythromycin, and sodium sulfacetamide plus sulfur. Mild mixed (inflammatory and noninflammatory) acne may be treated with a ...