Vitamin C Serum rejuvenates and protects stressed skin. The potent 12% concentration of vitamin C improves the brightness, tone, and texture of dehydrated skin. This special blend of vitamin C and concentrated tea extracts also includes important antioxidants. Vitamin C serum also intensively hydrates skin. Ingredients L-Ascorbic Acid, Concentrated Antioxidant Tea Blend, Propylene Glycol. Dosage and Use Place two to three drops on fingertips and massage into target area. Apply day or night, or as frequently as needed.