Obagi Professional-C® Serum 20% is our highest concentrated serum, packed with antioxidants to help minimize the appearance of fine lines and wrinkles while leaving skin feeling silky soft. This high-performance serum is formulated with 20% L-ascorbic acid (Vitamin C), and is best suited for normal to oily skin. L-ascorbic Acid is known to support new collagen production and is also effective in reducing the appearance of fine lines, wrinkles and photoaging of the skin.
