Obagi Professional C Serum 10 uses Vitamin C to promote collagen production to smooth the appearance of fine lines & wrinkles. Vitamin C also brightens skin and promotes a more even skin tone, while defending the complexion against free radicals and other environmental stressors that can cause dark spots, fine lines & wrinkles. Bring on the Vitamin C!
**20% is for oily skin**
Professional - C Serum, 20%, 1.0 fl oz
Propylene Glycol, Water, Propylene Carbonate, Ascorbic Acid, Fragrance.