Smart SerumO Cosmedics NEW Smart Serum is an intelligent multifaceted anti aging and rejuvenating serum that evens out skin tone, stimulates optimum cll activity, reduces expression lines, increases skin firming and lifting, rebalances compromised skin and ultimately supports skin health and skin youth. How to use Use morning and or evening. For best results use 2 3 pumps on face, neck and around the eyes, after cleansing and before hydrating.