Oxy® Acne Medication Rapid Spot Treatment Maximum Action. 10% Benzoyl peroxide acne treatment. Maximum strength. #1 Ingredient. Recommended by dermatologists. Targets and kills 99% of acne causing bacteria. Net Wt 1 oz (28 g). Clinically proven active ingredient. Uses: Treats and helps prevent acne. Nothing is more effective than Oxy®. Apply directly to pimples to help clear them fast. Penetrates deep into pores where acne starts. Goes on white, dries clear. No rinse. Leave-on lotion. Questions Toll free: 1-877-636-2677 Mon-Fri 9 AM - 5 PM (EST). © 2016.