SkinCeuticals C E Ferulic 15% l-ascorbic acid sample pack of 10 x 4ml vials

You get an extra 10ml of product vs the full size is only 30ml. A patented daytime vitamin C serum that delivers advanced environmental protection and improves the appearance of fine lines and wrinkles, loss of firmness, and brightens skin's complexion. U.S. Patent No. 7,179,841. C E Ferulic® vitamin C serum features a synergistic combination of 15% pure vitamin C (L-ascorbic acid), 1% vitamin E (alpha tocopherol), and 0.5% ferulic acid to enhance protection against environmental aggressors causing dry skin that can contribute to visible signs of aging. This vitamin C serum improves signs of aging, the appearance of fine lines & wrinkles, and the loss of firmness, while brightening skin’s complexion.