Obagi Professional-C Serum 20% (1 oz / 30 ml)

The Obagi Professional-C Serum 20% contains ascorbic acid and Vitamin C that can be effectively absorbed into the skin. The 20% L-ascorbic acid will protect the skin from being damaged by the UVA and UVB rays. It will also help defend fine lines, wrinkles and collagen synthesis of the skin. This product can be used for all skin types.