Obagi Professional-C Serum uses stabilized ascorbic acid - the only form of Vitamin C that can be effectively absorbed by the skin. It provides superior antioxidant protection with deep penetration to the dermal layer.
Obagi Professional-C Serum provides antioxidant protection with deep penetration to the dermal layer. The 10% L-ascorbic acid helps in defending agaisnt damaging UVA and UVB rays, helps prevent premature sign of aging such as fine lines and wrinkles, and contributes to collagen synthesis.
Obagi Professional-C Serum is available in four concentrations, for all skin types:
* 20% - For the highest concentration on L-Ascorbic Acid
* 15% - For all skin types
* 10% - For dry, sensitive or reactive skin
* 5% - Protection for the sensitive eye area
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