The chemical name is Ascorbic Acid. It is an antioxidant, skin lightening agent, pH adjuster, preservative and also rebuilds healthy collagen fibers. There are many skin care products on the market today that boast Vitamin C derivatives as an ingredient. You can maximize the benefits of vitamin C by combining it with other antioxidants, such as Vitamin E and ferulic acid. Here are some of our favorite products for getting vitamin C into your skin care routine.