Highest concentrated serum with antioxidant L-ascorbic Acid, best suited for normal to oily skin. Uniquely formulated to help reduce the appearance of skin aging and leave skin feeling silky soft.Daily use helps to fortify skin and safeguard your youthful appearance. Formulated with pure L-ascorbic acid to optimize efficacy, permeability, and stability. Obagi Professional-C Serum 20% is the highest concentrated serum with antioxidant L-ascorbic Acid, best suited for normal to oily skin.
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 or makeup application.
PRECAUTIONS: For external use only. Avoid direct contact with mucous membranes. Some users of this product may experience a slight tingling, which should diminish with continued use. If tingling becomes severe, stop use and consult a doctor.
Storage: Keep out of direct sunlight. Store in a dark, cool place. Keep cap on tightly when not in use.
Propylene glycol, water, propylene carbonate, L-ascorbic acid, fragrance