Reduce blemishes and breakouts with Jan Marini Benzoyl Peroxide Acne Treatment Lotion 10%. This powerful acne treatment lotion from Jan Marini skin care uses 10% benzoyl peroxide to penetrate deep into your skin's pores for a potent and effective acne treatment. While clearing acne. this lotion also helps prevent bacteria buildup. reduce inflammation and minimize dryness and irritation for a smoother. healthier complexion. When used in conjunction with other Jan Marini skin care products. you'll see a major improvement in your skin. from fewer acne breakouts to a smoother. softer texture.