A Super Serum with 10% pure vitamin C (L-ascorbic acid) in a stable, water-free formula of just two ingredients. It helps brighten the complexion, defend against free radicals, support collagen and smooth the look of fine lines and uneven tone. It can feel slightly oily for a few seconds after application, although it contains no oil. Vegan, perfume-free and preservative-free, for dull or uneven skin.