Medik8 C-Tetra Intense serum sparks a visibly radiant and healthy-looking complexion. This lipid vitamin C antioxidant serum is formulated to combat skin aging. With tetrahexyldecyl ascorbate, a stabilized form of vitamin C, the serum encourages luminosity. The inclusion of vitamin E and activated red ginseng further supports an even-looking complexion. Essential lipids, vitamin F and squalene nourish the skin, maintaining its softness for a supple and radiant finish.