The Obagi Blue Peel RADIANCE® offers a unique blend of acids: Salicylic Acid (20%), Glycolic Acid (1.6%), Lactic Acid (1.4%). This treatment is ideal for those suffering with photodamage, uneven tone, uneven texture, darker skins with pigmentary issues and acne sufferers as it reduces oil. A minimum of 3 sessions is required for optimal visible results