This powerful daily antioxidant serum is made with 15% pure L-ascorbic, the industry's gold standard of vitamin C to help defend all day from free radicals and works to brighten skin tone and reduce signs of past skin damage.

- Ingredients

Propylene glycol, water, L-ascorbic acid, alcohol, ascorbyl glucoside, fragrance

- Use Instructions

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.