Amazon.com: obagi Vitamin C Serum 15% - Professional C Serum Skin Care – Contains Concentrated L Ascorbic Acid - Helps Minimize the Appearance of Wrinkles, Brightens Skin, and Retains Moisture- 1.0 Fl
Obagi Professional-C Facial Serum 20%, 1.0 fl. oz. - Walmart.com
Obagi - Professional C Serum 20% 30ml1oz 362032050539 - Jomashop
Amazon.com: Obagi Daily Hydro-Drops Hydrating Facial Serum for Dry Skin, 1 fl oz - Moisturizing Serum for Face - Hypoallergenic Face Serum with Moisture-Preserving Formula For More Radiant, Healthy-Looking Skin : Beauty