Obagi Professional-C® Serum 10% is a gentle anti-ageing vitamin C face serum, formulated for Dry, Sensitive and Reactive Skin.

Obagi Professional-C® Serum 15% is an anti-ageing vitamin C face serum, formulated for Normal to Combination skin types. Beating the competition, the Obagi Professional-C® Serum 15% offers greater antioxidant benefits to your skin as one of the best vitamin C serums on the skincare market.

As one of the Obagi Professional-C Serums, this serum contains the highest percentage of vitamin C (L-ascorbic acid). At 20% concentration of vitamin C, this is a strong yet gentle serum that is intelligently formulated to combat the signs of ageing and hyperpigmentation

Apply 5 to 7 drops of vitamin c serum to the face, neck and chest using your fingertips. Apply to cleansed skin in the morning before sunscreen and makeup application. A slight tingling may occur in some people, which diminishes with continued use.