The OBAGI Vitamin C Serums use advanced scientific formulas developed and tested by leading experts. Ascorbic acid neutralises free radicals, generated from over exposure to the sun, to prevent skin cell damage and 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

OBAGI Professional-C Serum 15% uses stabilised L-ascorbic acid - the only form of Vitamin C that can be effectively absorbed by the skin.