An Obagi serum with 15% L-ascorbic acid to protect normal skin types from the damaging effects of free radicals.
Vitamin C neutralizes free radicals to prevent skin cell damage. Professional strength Vitamin C can give your skin the superior protection it needs to:
Obagi Professional C-Serum 15% - 1 oz
Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using 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.
Strength: 15%. (Also available in 10,20 percent)