M.D. Forte Skin Rejuvenation Lotion II: 20% Glycolic acid. Advanced correction of environmentally damaged skin. Recommended once skin is accustomed to M.D. Forte® Skin Rejuvenation Lotion I, provided AHA products have been successfully used for at least 3 months. Intended for intensive treatment of specific problem areas on a short-term basis. 1 oz.