This product combines three different types of vitamin a - retinol, retinol acetate,and retinyl palmitate - in our exclusive tri retinol complex.the superior triple action of the vitamin a contained in our tri retinol complexworks effectively to stimulate cell renewal, as it simultaneously strengthens and firms the skin. this advanced complex works deep within the skin s surface to visibly reduce fine lines, wrinkles and age spots. this powerful formula is further enhanced by the preventative and corrective action of vitamin c, creating one of the most effective anti-aging products available.directions:for best results use morning and night. after cleansing, apply gently around the eye area until absorbed.