Boost your skin's radiance each morning with Medik8's C-Tetra Luxe - clinically proven to reduce the appearance of wrinkles and hyperpigmentation in just 4 weeks.* Working to boost visible radiance and support your skin barrier, C-Tetra Luxe features twice the amount of vitamin C (14%) compared to Medik8's original C-Tetra serum. Formulated with a stabilised and potent form of vitamin C ( tetrahexyldecyl ascorbate), C-Tetra Luxe gives the skin a healthy glow after just 1 use*; all while providing the skin with a gentle, nourishing experience. Lightweight and velvety-soft in texture, 81% reported C-Tetra Luxe was the best vitamin C serum they had ever used.* This is the ideal vitamin C serum for those looking for enhanced skin radiance and antioxidant protection alongside deep nourishment. *Proven via independent clinical study on C-Tetra Luxe conducted over 4 weeks on 36 participants Key Benefits: Instant Skin Youthfulness Enhanced with optimised red ginseng for proven youth-boosting b