Highly-concentrated serum with 15% L-ascorbic Acid (vitamin C) for most skin types. Helps minimize the appearance of fine lines and wrinkles, while leaving your skin feeling silky soft. Ingredients: propylene glycol, water, L-ascorbic acid, alcohol, ascorbyl glucoside, fragrance. Improves skin texture. Evens skin tone. Experience the benefits of Vitamin C in Obagi Professional-C products.