Obagi Professional-C Serum 20% is the highest concentrated serum with 20% L-ascorbic acid (Vitamin C), best suited for normal to oily skin, to help minimize the appearance of fine lines and wrinkles while brightening the skin.*
Obagi Professional-C Serum 20% is best suited for normal to oily skin types.
Apply 5 to 7 drops of serum to neck, face, and chest using fingertips in the morning. Upon application, some people may experience a slight tingling, which will reduce with continued usage.
Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance.
* Individual Results May Vary