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👉 Check Latest PriceProduct Overview - Medik8 C-Tetra® Luxe | Lipid Vitamin C Enhanced Radiance Serum | 30ml. Medik8 C-Tetra® Luxe is a professional-grade vitamin C serum that delivers supercharged radiance and clinically proven anti-ageing results. This velvety-soft formulation features an enhanced concentration of 14% Tetrahexyldecyl Ascorbate, a stabilised form of vitamin C that remains gentle on skin whilst delivering potent antioxidant protection. Enriched with Optimised Red Ginseng, Maracuja Oil, Squalane and Vitamin F, this luxurious serum addresses multiple skin concerns from hyperpigmentation to fine lines, making it suitable for all skin types including sensitive, dry and dehydrated complexions.. The intelligently formulated serum works synergistically with Vitamin E to boost the skin's natural antioxidant defence system, protecting against free radical damage whilst supporting collagen production. Independent clinical studies demonstrate visible improvements in just one hour, with continued use revealing dramatically enhanced skin radiance and reduced signs of ageing within four weeks.. Key Benefits at a Glance:. Immediate Benefits:. Visibly brighter, more youthful-looking skin in just 1 hour - clinical studies show immediate radiance-boosting effects upon first application. 94% noticed smoother and softer skin after just 1 use - the velvety texture delivers instant nourishment and visible texture refinement. Enhanced antioxidant protection - shields skin against environmental aggressors including pollution and UV-induced free radical damage. Barrier support and deep hydration - squalane and vitamin F work to strengthen the skin's defensive barrier whilst locking in essential moisture. Gentle, non-irritating formula - stabilised vitamin C remains kind to sensitive skin despite its elevated 14% concentration. Long-Term Benefits:. With consistent morning application, C-Tetra® Luxe delivers transformative results that become increasingly visible over time. Clinical studies demonstrate that 81% of participants experienced reduced visible hyperpigmentation and dark spots within just four weeks, whilst wrinkles and fine lines appeared visibly diminished. The serum's powerful combination of vitamin C and optimised red ginseng works to stimulate collagen production, promoting firmer, more resilient skin with improved elasticity.. The antioxidant-rich formulation provides cumulative protection against premature skin ageing, helping to maintain a bright, even complexion whilst addressing concerns such as uneven skin tone, dullness and loss of radiance. Our experts recommend this as part of your daily morning routine to achieve and maintain beautifully radiant, healthy-looking skin.. How will it feel on my Skin?. C-Tetra® Luxe glides onto skin with a velvety-soft, silky oil texture that absorbs effortlessly without leaving any greasy residue. The luxurious serum melts into the complexion, enveloping skin in comfortable nourishment whilst delivering a subtle natural glow. The lightweight formula layers beautifully under sunscreen and makeup, making it an ideal addition to your morning skincare routine.. Who is it Suitable For?. All skin types seeking enhanced radiance and antioxidant protection. Dry and dehydrated skin requiring deep nourishment alongside brightening benefits. Sensitive skin types who have previously found vitamin C formulations too irritating. Those concerned with hyperpigmentation, dark spots and uneven skin tone. Individuals looking to address fine lines, wrinkles and premature signs of ageing. Anyone seeking professional-grade vitamin C with clinically proven results. Those new to high-concentration vitamin C serums. Why choose Medik8 C-Tetra® Luxe?. C-Tetra® Luxe represents the pinnacle of Medik8's renowned vitamin C range, featuring double the concentration of their original bestselling C-Tetra serum. This clinically proven formulation delivers exceptional brightening and anti-ageing results whilst remaining remarkably gentle on skin - 86% of clinical study participants reported it was the best vitamin C serum they had ever used. Our experts recommend this for those seeking supercharged radiance alongside comprehensive antioxidant protection and deep barrier-supporting nourishment.