Theres many different types of Vitamin C you can use on your skin. Whether you are new to vitamin C or have used it for a while, at Medik8 we have one for you. Scroll across to discover the differences in vitamin C formulations and understand their strength. Shop the products mentioned on Medik8.com : • C-Tetra • C-Tetra Luxe • Pure C15 • Super C Ferulic