New Obagi Professional-C Serum uses stabilized ascorbic acid – the only form of Vitamin C that can be effectively absorbed by the skin.Vitamin C neutralizes free radicals to prevent skin cell damage.

Professional strength Vitamin C can give your skin the superior protection it needs to:

• Prevent premature signs of aging, including fine lines and wrinkles
• Protect against future damage
• Stimulate collagen production for firmer, more resilient skin
• Lighten and brighten skin for more even tone