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 – to help strengthen antioxidant defenses, fight oxidative stressors, and help skin appear younger.
 
VARIETY OF CONCENTRATIONS
Made with a variety of concentrations for diverse skin types, conditions, and needs.
Professional-C Serum 10%
Concentrated formula recommended for dry or sensitive skin.
Professional-C Serum 15%
High-performance serum developed for most skin types.
Professional-C Serum 20%
Highest concentrated serum best suited for normal to oily skin.