Introducing Medix 5.5 Firming and Brightening Serum, infused with Vitamin C, Ferulic Acid, Glycolic Acid, and Lactic Acid. This serum is designed to deliver effective results by promoting a firmer and brighter complexion, improving skin tone, and diminishing the appearance of wrinkles, dark spots, uneven skin tone, and expression lines. With its potent formula, this Vitamin C Serum brightens the skin and firms it up, targeting the 5 Signs of Aging – age spots, dryness, wrinkles, uneven tone, and expression lines. It is perfect for daily use and can be applied to the face, neck, and chest for complete age defense.