Obagi Professional Vitamin C Facial Serum 20%,

Highest concentrated serum with 20% L-ascorbic Acid (vitamin C) , best suited for normal to oily skin. Uniquely formulated to help reduce the appearance of skin aging and leave skin feeling silky soft. Ingredients: propylene glycol, water, L-ascorbic acid, ascorbyl glucoside, ethoxydiglycol, phenoxyethanol, sorbitol, sodium hyaluronate, zinc chloride, calcium hydroxide, fragrance Experience the benefits of Vitamin C in Obagi Professional-C products.