Obagi Professional-C Serum contains the L-ascorbic acid form of vitamin C, a potent antioxidant. The 20% L-ascorbic acid helps brighten the skin, retain moisture and minimize the appearance of fine lines and wrinkles. 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.