In addition, the formula contains the added benefit of the Hydra-Pure Chelating Complex, which detoxifies skin and organifies the heavy metals found in tap water. Detoxification is enhanced through the unique delivery system of the serum.Benefits:Serum delivery system intensifies the effects of the Hydra-Pure Chelating Complex and its ability to detoxify and sequester heavy metals that break down collagen. Amplifies the benefits of trace minerals that are beneficial to the skin, allowing all forms of Vitamin C to work even better. Multiple forms of Vitamin C guarantee maximum benefits by reaching all layers of skin. Replenishes skin with vital ingredients that diminish with age, exposure to the elements, diet and stress. For PM use as efficacy of Vitamin C is enhanced when not deactivated by the sun.Directions For Use:Smooth serum over clean, dry skin in the PM.