Our bestselling vitamin C serum, SkinCeuticals C E Ferulic features a synergistic antioxidant combination of ferulic acid and pure vitamins C and E. This patented daytime vitamin C serum delivers advanced environmental protection and improves the appearance of fine lines and wrinkles, loss of firmness, and brightens skin's complexion. Reveal fresher and healthier-looking skin with Hyaluronic Acid Intensifier from SkinCeuticals. Its potent blend of pure hyaluronic acid, proxylane, licorice root and purple rice work to boost skin's hyaluronic acid levels, visibly improving skin's texture and restoring elasticity.