Obagi professional-c serum provides superior antioxidant protection with deep penetration to the dermal layer. it helps in defending against damaging UVA and UVB rays, helps prevent wrinkles, and contributes to collagen synthesis. vitamin c neutralizes free radicals to prevent skin cell damage.
How To Use:
Apply 5 to 7 drops to face, neck and chest using fingertips. apply to cleansed skin in the morning before sunscreen and makeup application. a slight tingling may occur in some people, which diminishes with continued use