Obagi’s Professional-C Serums, provide L-Ascorbic Acid, the most bioavailable form of Vitamin C for optimal skin absorption and results.
L-Ascorbic Acid is effective in reducing the appearance of fine lines, wrinkles and photoaging of the skin.
- Professional-C Serum 20% provides 5X better absorption levels over another leading competitor.
- Consumers prefer Obagi Professional-C Serum 20% nearly 2 to 1 over another leading competitor.