BPO SPOT TREATMENT 1OZ 1.0OZ. Benefits: Differin Acne Spot Treatment with 10% benzoyl peroxide as the strongest over-the-counter (OTC) concentration to visibly reduce acne size and redness after 1 use.. Penetrates deep into pores and works to immediately kill acne-causing bacteria. Glycerin helps to minimize dryness. Dermatologist Tested. Hypoallergenic. Non-comedogenic. Key Ingredients: Benzoyl Peroxide 10.0% - visibly reduces acne size and redness. Glycerin - performs many functions, primarily hydrating and moisturizing the skin, improving the skin barrier, and promoting overall skin health.. :