Restore the appearance of skin radiance in just 7 days* with Medik8's cult favourite C-Tetra serum. Expertly formulated by their skincare experts with a stabilised form of vitamin C (tetrahexyldecyl ascorbate ), this lightweight serum reduces the appearance of fine lines and wrinkles and visibly brightens uneven skin tone - all while remaining gentle on sensitive skin. The addition of antioxidant-rich vitamin E protects the skin against the damaging and ageing effects of free radicals for a more healthy, youthful-looking complexion overall. The perfect daily serum for those who are new to vitamin C, or have sensitive skin. *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Key Benefits: Increased Skin Youthfulness Proven to smooth the appearance of fine lines and wrinkles and visibly boost skin's radiance in 7 days* *Proven via independent consumer study conducted over 4 weeks on 52 participants with sensitive skin. Brighter, More Even