Other Information: Avoid storing at temperatures above 100 degrees F (38 degrees C). Acne medication. 10% benzoyl peroxide acne treatment. With benzoyl peroxide (). No. 1 ingredient. Recommended by dermatologists. Targets and kills 99% of acne causing bacteria. Clinically proven active ingredient. Nothing is more effective than Oxy. Penetrates deep into pores where acne starts. Goes on white, dries clear. No-rinse leave-on lotion. Take the Oxy 28 Day Challenge for clear skin. oxy28daychallenge.com. Available on the App Store. Get it on Google Play.