Professional-C Serum Vitamin C 20% Antioxidant Defense is Obagi's bestselling vitamin C serum, formulated with L-Ascorbic Acid and Sodium Hyaluronate for a supercharged, hydrated glow that doesn't quit — at home or on the road. One full-size bottle for your everyday routine, one travel-size for wherever the day takes you
Size Reference for Obagi Medical Professional-C Serum 20%
Available Sizes:








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