Obagi Professional-C Serum contains new Vitamin C formulations that act to neutralize free radicals before skin cells at all layers become damaged, slowing the acceleration of skin aging.  The Obagi Professional-C Serum line provides a powerful line of serums to deliver greater penetration to skin for superior results.

Benefits:

• Contains L-Ascorbic acid to build collagen molecules
• Brightens and lightens skin tone
• Helps in reduction of inflammation of skin
• Superior protection from antioxidants
• Better delivery system than competitive products that results in great penetration of skin

Concentrations:

• 10% - For sensitive, reactive, and dry skin
• 15% - Made for all types of skin
• 20% - Strongest concentration of L-Ascorbic Acid for maximum results