Obagi Nu Derm Exfoderm Skin Smoothing Exfoliating Lotion is an exfoliating lotion in a soothing base to smooth and tone the skin. This facial treatment is formulated with 6% glycolic acid and 4% lactic acid, two alpha-hydroxy acids that help remove dead skin cells and other dulling debris. It helps to diminish the appearance of fine lines and dark spots and create a soft texture. The key ingredients include Antioxidant, Dimethicone and Vitamin E.