This advanced formula contains a potent blend of Vitamin C (L-Ascorbic Acid) 15%, Vitamin E 1%, and Ferulic Acid 0.5%. Our formula provides superior antioxidant protection, minimizes signs of hyperpigmentation, and reduces the appearance of fine lines. Unique combination of Vitamin C, E, Ferulic Acid, Hyaluronic Acid, and Acetyl Octapeptide-3 Brightens the appearance of overall complexion Provides advanced environmental protection against damaging free radicals Superior antioxidant protection When paired together, Vitamin C, Vitamin E, and Ferulic Acid are clinically proven to provide superior antioxidant protection. Our pure l-ascorbic acid (vitamin C) is formulated at an acidic pH between the 2.20-3.20 pH range and has a concentration of 15%, which exceeds all of the criteria. Vitamin C E + F serum has a unique combination of pure l-ascorbic acid (Vitamin C), Vitamin E, and Ferulic Acid that is clinically proven to provide superior antioxidant protection and brighten the appearance of the complexion. Provides advanced environmental protection against damaging free radicals and has shown increased protection when layered underneath a broad-spectrum sunscreen. Combined Hyaluronic Acid and Acetyl Octapeptide-3 work together to visibly plump and smooth the skin. This unique formula minimizes signs of hyperpigmentation and reduces the appearance of fine lines. Only used once. Full bottle but not sealed. Questions? Leave a comment below!