Obagi on X: "The Obagi Professional-C Serums offer Vitamin C in a rich, concentrated formula. They are formulated with 10%, 15%, and 20% L-ascorbic acid – a potent form of Vitamin C –
OBAGI Vitamin C | The Aesthetic Klinik
Obagi Pro-C (Vit C) Serum 20% | Obagi Skin Care Crosby | The Aesthetics Hub®
Amazon.com: Obagi Professional C Serum 20%, Vitamin C Facial Serum with Concentrated 20% L Ascorbic Acid for Normal to Oily Skin, 1.0 Fl Oz Pack of 2 : Beauty & Personal Care
Obagi Professional-C 20% Serum 30ml – Flawless Body