Vitamin C Serum-DIY:: Under Eye Serum !! - anti-aging serum that nourishes, replenishes, and reduces inflammation (which causes puffiness & dark circles) . This has the same ingredients as all the high dollar creams. However due to no processing-they are so much better. In their natural state-they are concentrated. So Skin absorbs all of it quicker, works faster, and all without any toxins!