The proactiv 3-step system helps treat and prevent acne breakouts with proven acne-fighting ingredients. The renewing cleanser and repairing lotion contain benzoyl peroxide, a proven acne medicine known to kill and prevent acne bacteria. The alcohol-free revitalizing toner helps to gently remove excess oil and soften acne-prone skin with glycolic acid. This kit also includes the proactiv refining mask, formulated with acne-fighting sulfur to help purge impurities and minimize the appearance of pores. You also get green tea moisturizer, the perfect lightweight, oil-free, non-greasy moisturizer for acne-prone skin. Directions: Sensitivity Test for a New User: Apply product sparingly to one or two small affected areas during the first 3 days. If no discomfort occurs, follow the directions stated on the packaging. Warnings: Please review drug label facts before use. Do not use if you have very sensitive skin, or are sensitive to benzoyl peroxide. Skin Irritation may occur, stop use and ask a doctor if irritation becomes severe.