Protect against fine lines and reveal a more radiant complexion with Medik8's C-Tetra Advanced. Formulated with a cutting-edge complex, this powerful skincare essential delivers 20% stabilised vitamin C alongside phyto exosomes for targeted delivery without compromising the skin barrier. Clinically shown to brighten skin and reduce the appearance of wrinkles in as little as 7 days, C-Tetra Advanced is further enhanced with omni-antioxidant acetyl zingerone to defend against free radicals, pollution, and everyday environmental stress. The result: smoother, more hydrated, and visibly brighter skin. Suitable for all skin types.