Obagi- Professional C Serum 20% -- 30ml1oz
A protective serum concentrate Contains 20% L-ascorbic acid, a form of Vitamin C Rapidly & deeply penetrates into skin Neutralizes free radicals to prevent skin from being damaged Accelerates collagen synthesis & offers sun & optimum antioxidant protection Stays on skin for up to 72 hours Skin appears healthy & ageless looking - Obagi Professional C Serum 20%