This product is probably the most important skin care product. It not only protects the skin from UV damage, it also is the best anti-aging compound for skin. The increase in collagen and elastin only takes place if Vitamin C is present in the skin!! This excellent anti-aging product is a highly concentrated Vitamin C Serum with proven antioxidant and regenerative properties to help fight and repair signs of aging by building collagen and elastin. The ingredients in the Vitamin C Serum contain active ingredients that provide a direct benefit to the skin, and are not just carriers.