Obagi Professional-C Serum 20% is the highest performance Obagi Vit C serum with 20% L-ascorbic acid (Vitamin C). It is ideal for addressing the signs of skin ageing by maintaining skin hydration and helping to protect against the sun’s harmful rays. L-Ascorbic acid formulations provide powerful antioxidant benefits that complement any skincare routine.
Obagi Professional-C Serums available in 10%, 15% & 20% concentrations work to lighten, brighten and soften skin. They are particularly effective when used in conjunction with the Obagi Nu-Derm® systems.