The Obagi Pro-C Serum uses 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 formula provides greater penetration of ingredients than other Vitamin C products — delivering greater antioxidant benefit to your skin! Professional-C Serums use stabilized L-ascorbic acid – the only form of Vitamin C that can be effectively absorbed by the skin.
10% – Sensitive Skin
15% – Normal/Combination Skin