From america's leader in acne treatment & prevention comes a revolutionary, dermatologist-developed 3-step system. The proactiv 3-step system helps treat & prevent acne breakouts with proven acne-fighting ingredients. The renewing cleanser & repairing treatment contain benzoyl peroxide, a proven acne medicine known to kill & prevent acne bacteria. The alcohol-free revitalizing toner helps to gently remove excess oil & soften acne-prone skin with glycolic acid. As a bonus, this kit also includes the proactiv refining mask, formulated with acne-fighting sulfur to help purge impurities & minimize the appearance of pores, & green tea moisturizer, the perfect lightweight, oil-free, non-greasy moisturizer for acne-prone skin.