SKU: OG 38

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 Descriptions by Obagi " Please Note: There is a 2 week wait time for Obagi products, please proceed only if you are willing to wait."