For the highest concentration of L-ascorbic acid, use Obagi Pro-C Serum 20%!
Your skin deserves all the protection you can give it from daily exposure to the sun's damaging rays and environmental conditions that cause premature aging. Visible signs of aging, those fine lines and wrinkles, are caused by tiny molecules known as free radicals. Free radicals dramatically multiply with exposure to sun, air pollution and other environmental assaults, ravaging skin cells and breaking down collagen that gives skin its youthful resilience.

Antioxidant Protection. Maximum Vitamin C Penetration

Professional-C Serums use advanced scientific formulas developed and tested by leading Vitamin C experts to provide maximum daily antioxidant protection against free radicals, which cause premature signs of aging including fine lines and wrinkles.

Our unique L-ascorbic acid formula provides greater penetration of ingredients than other Vitamin C serums for skin — delivering greater antioxidant benefit to your skin!
Obagi Pro-C Serum 20% - For the highest concentration of L-ascorbic acid (1 fl oz - 30 ml)

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