Obagi Professional C Serum 20% penetrates deep into the skin to deliver effective results.  The vitamin C’s antioxidant properties helps to combat against free radical damage.  It also encourages collagen product and the growth of elastin fibers for younger looking skin.  Hyperpigmentation is less noticeable while hyaluronic acid improves moisture retention preventing dryness.

Directions:

Apply 5 to 7 drops of Obagi Professional-C Serum to the 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.

Obagi Professional C Serum 20% Ingredients:

Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance.