Formally known as C-Tetra+ Intense. 

Kick-start your morning skincare regime with Medik8's C-Tetra® Luxe. A nourishing and restorative vitamin C serum that enhances skin's radiance and fights visible signs of ageing. Using a super-stable lipid-soluble form of vitamin C called tetrahexyldecyl ascorbate, the formula sinks deep into skin to provide powerful antioxidant protection against free radicals with minimal irritation. Harnessing the power of Medik8's best-selling vitamin C serum, C-Tetra Luxe is boosted with additional brightening and nourishing ingredients. Optimised red ginseng enhances the brightening and smoothing powers of vitamin C. While nourishing maracuja oil alongside squalane and vitamin F leave skin feeling deeply hydrated and supple. The complexion is left soft, protected from environmental damage and visibly brighter-looking.