The Medik8 C-Tetra Lipid Vitamin C Antioxidant Serum is a potent daily defense solution designed to protect the skin from environmental aggressors. This advanced formula utilizes a stable form of Vitamin C, Tetraisopalmitate, which integrates seamlessly into the skin's lipid layer for maximum absorption and efficacy. It works to visibly brighten the complexion, promoting a radiant and even skin tone while supporting natural collagen production for improved firmness over time. Ideal for daily application under your moisturizer and sunscreen, this serum helps to rejuvenate tired-looking skin and smooth the appearance of fine lines, making it an essential step in any comprehensive anti-aging skincare regimen.