MD Formulations Vit-A-Plus Intensive Anti-Aging Serum Minimizes the appearance of deeper lines and wrinkles and protects against future skin damage. Vit-A-Plus Intensive Anti-Aging Serum contains Alpha Retinyl Complex, a special combination of AHAs, Vitamin A and antioxidants that works beneath the skin's surface where wrinkles first develop. Size: 1 oz. Improve the appearance of deeper lines and wrinkles and protect against future skin damage. Ideal for photo-aged skin with deeper lines and wrinkles and mature skin