This advanced and unique vitamin C and hyaluronic acid serum for face was formulated with the same exact ingredients as SkinCeuticals CE Ferulic but with 20% pure L-Ascorbic acid making it even more effective. We also use 1% vitamin E (alpha tocopherol), 1% Hyaluronic Acid (Sodium Hyaluronate), and 0.5% ferulic acid. Blossom into a new you with our face serum for women or men! Our powerful pure vitamin C serum with hyaluronic acid works together with vitamin E and ferulic acid to clear skin imperfections and help with acne and scars. Our vitamin C oil for face boosts collagen production in your skin to help even it out. We use 20% of pure L-Ascorbic acid which is pure vitamin C as opposed to other brands who use sodium ascorbyl phosphate or magnesium ascorbyl phosphate which contain only a fraction of vitamin C.