Give your skin a fighting chance against aging with this 1-month supply of Retinol. Retinol, the natural form of Vitamin A, is considered to be the most effective ingredient in reducing the visible signs of aging. It helps smooth the skin’s surface, improving tone and elasticity, diminishing the appearance of fine lines and wrinkles. System includes Retinol A Night Cream, 1 fl. oz.; Retinol A Day Cream, 2.25 oz.; Retinol Eye Gel, 1.7 oz.; Anti-Wrinkle Facial Serum, 0.5 fl. oz.; Retinol Anti-Aging Cream Cleanser, 2 fl. oz..