{"product_id":"c-tetra","title":"Medik8 C-TETRA® | Vitamin C Serum | 30ml","description":"\u003ch2 style=\"font-size:18px; font-weight:bold;\"\u003eProduct Overview - Medik8 C-TETRA® | Vitamin C Serum | 30ml\u003c\/h2\u003e\u003cbr\u003e\n\u003cp\u003eDiscover the transformative power of \u003cstrong\u003eMedik8 C-TETRA®\u003c\/strong\u003e, a cult-favourite vitamin C serum that restores radiant skin in just seven days. This lightweight, professional-grade serum features 7% \u003cstrong\u003eTetrahexyldecyl Ascorbate\u003c\/strong\u003e, a stabilised form of vitamin C that delivers exceptional brightening results whilst remaining gentle enough for sensitive skin and those new to vitamin C.\u003c\/p\u003e\n\n\u003cp\u003eFormulated with a 100% stable, lipid-soluble vitamin C that penetrates deeply without oxidising or degrading over time, C-TETRA® provides powerful antioxidant protection from morning until night. Enhanced with \u003cstrong\u003eVitamin E\u003c\/strong\u003e for synergistic defence against environmental stressors, this silky jojoba seed oil-based serum works to visibly brighten uneven skin tone, smooth the appearance of fine lines and wrinkles, and restore a healthy, youthful glow. Suitable for all skin types, particularly sensitive skin requiring gentle yet effective anti-ageing care.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:16px; font-weight:bold;\"\u003eKey Benefits at a Glance:\u003c\/h3\u003e\n\n\u003ch5 style=\" font-size: 16px; font-weight:bold;\"\u003eImmediate Benefits:\u003c\/h5\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant radiance boost\u003c\/strong\u003e with a lightweight, silky texture that absorbs effortlessly into skin, leaving behind a soft, luminous glow without greasiness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful antioxidant defence\u003c\/strong\u003e provided by the synergistic combination of vitamin C and vitamin E, working as network antioxidants to shield skin throughout the day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGentle, non-irritating formula\u003c\/strong\u003e that 96% of sensitive skin users confirmed was the gentlest vitamin C serum they had ever experienced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced skin comfort\u003c\/strong\u003e as 90% of participants agreed their skin felt instantly softer after application, with visible improvement from the very first use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5 style=\" font-size: 16px; font-weight:bold;\"\u003eLong-Term Benefits:\u003c\/h5\u003e\n\n\u003cp\u003eFormulated to deliver transformative results, C-TETRA® works progressively to address multiple signs of ageing and environmental damage. Within just seven days, independent studies demonstrate restored skin radiance and visibly brighter complexion. After four weeks of consistent use, participants experienced significantly reduced appearance of wrinkles, dark spots and hyperpigmentation.\u003c\/p\u003e\n\n\u003cp\u003eThe stabilised vitamin C actively stimulates collagen and elastin synthesis within the deeper layers of skin, promoting visibly plumper, more resilient skin texture. This advanced formulation provides ongoing protection against oxidative stress and free radical damage, the primary causes of premature skin ageing, whilst working to even out skin tone and restore the skin's natural luminosity for long-term skin health.\u003c\/p\u003e\n\n\u003ch4 style=\" font-size: 16px; font-weight:bold;\"\u003eHow will it feel on my Skin?\u003c\/h4\u003e\n\n\u003cp\u003eC-TETRA® delivers a luxurious sensorial experience with its silky, oil-based texture that glides effortlessly across the skin. The lightweight jojoba seed oil formulation absorbs rapidly without leaving any greasy residue, making it perfect for layering beneath sunscreen and moisturiser. Many users describe the immediate skin-softening effect and subtle natural glow that appears upon application. The serum has an uplifting, refreshing citrus scent from natural grapefruit peel oil, providing an invigorating start to your morning skincare routine. The formula feels nourishing yet never heavy, leaving skin feeling comfortably hydrated and primed for the day ahead.\u003c\/p\u003e\n\n\u003ch4 style=\" font-size: 16px; font-weight:bold;\"\u003eWho is it Suitable For?\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003eThose entirely new to vitamin C or seeking a gentle introduction to antioxidant skincare\u003c\/li\u003e\n\u003cli\u003eSensitive skin types requiring effective anti-ageing benefits without irritation\u003c\/li\u003e\n\u003cli\u003eIndividuals experiencing dull, lacklustre skin tone or uneven complexion\u003c\/li\u003e\n\u003cli\u003eAnyone concerned with early signs of ageing, including fine lines and loss of radiance\u003c\/li\u003e\n\u003cli\u003eSkin showing visible effects of environmental damage, pollution exposure or sun-induced ageing\u003c\/li\u003e\n\u003cli\u003eAll skin types seeking daily antioxidant protection, from dry to combination to oily skin\u003c\/li\u003e\n\u003cli\u003eThose following the CSA Philosophy (vitamin C plus Sunscreen by day, vitamin A by night)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4 style=\" font-size: 16px; font-weight:bold;\"\u003eWhy choose Medik8 C-TETRA®?\u003c\/h4\u003e\n\n\u003cp\u003eOur experts recommend C-TETRA® as the gold standard introduction to vitamin C skincare, offering professional-grade efficacy without the irritation often associated with traditional ascorbic acid formulations. The 100% stable formula ensures your vitamin C remains potent and effective from the very first drop to the last, up to six months after opening. Backed by independent clinical studies on sensitive skin participants, this evidence-based formulation delivers visible results whilst maintaining exceptional gentleness, making it the perfect choice for anyone seeking effective, science-led skincare solutions.\u003c\/p\u003e\n","brand":"Medik8","offers":[{"title":"Single","offer_id":45283288645914,"sku":"P08875","price":45.0,"currency_code":"GBP","in_stock":true},{"title":"Twin Pack","offer_id":55457372799361,"sku":"P08875-TP","price":90.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8845\/4426\/files\/synth___featured_9583551c5236e484.jpg?v=1778184873","url":"https:\/\/skintique.co.uk\/products\/c-tetra","provider":"Skintique Retail","version":"1.0","type":"link"}