Obagi Professional-C Serum provides antioxidant protection with deep penetration to the dermal layer. The 10% L-ascorbic acid helps in defending against damaging UVA and UVB rays, helps prevent premature signs of aging such as fine lines and wrinkles, and contributes to collagen synthesis. Obagi Professional-C Serum 10% is suitable for dry, sensitive or reactive skin.

Propylene Glycol Water Propylene Carbonate Ascorbic Acid (Vitamin C) Fragrance