Professional-C ® Serum 15% DetailsObagi’s Professional-C Serums provide L-Ascorbic Acid, the most bioavailable form of Vitamin C, for optimal skin absorption and results. L-ascorbic Acid is known to support in reducing the appearance of fine lines, wrinkles and photoaging of the skin. You can apply a few drops of the serum to the face, neck, and chest every morning before your sunscreen to start gaining the beneficial properties of Vitamin C.
