ZO 3-Step Peel is a dual-action peel that is designed to stimulate and renew skin. With the use of a blend of exfoliants, retinol and multi-action agents, improve skin health, and treat many of the signs of aging. Mildly Aggressive, retinol and anti-inflammatory agents penetrate the epidermis and upper dermis. Great for texture repair, pigmentation correction and anti-aging benefits.