{"product_id":"medik8-c-tetra-advanced-20-vitamin-c-gel-serum-with-phyto-exosomes-30ml-2026208484","title":"Medik8 C-Tetra Advanced 20% Vitamin C Gel-Serum with Phyto Exosomes, 30ml","description":"\u003cp\u003eDefend against premature skin ageing and achieve accelerated skin brightening with a next-generation combination of 20% vitamin C and skin barrier science.\u003c\/p\u003e\u003cp\u003eClinically proven to brighten skin and visibly improve wrinkles in 7 days with 0% barrier disruption, C-Tetra Advanced is engineered for high-performance visible brightening, skin smoothing, and daily antioxidant defence.\u003c\/p\u003e\u003cp\u003eThis intelligent ingredient complex combines potent, stabilised, 20% vitamin C with restorative phyto exosomes for deep, controlled delivery, and omni-antioxidant acetyl zingerone to neutralise the ageing effects of free radicals.\u003c\/p\u003e\u003cp\u003eThe result? A high-performance, age-defying vitamin C serum that works smarter, not harsher.\u003c\/p\u003e\u003cstrong\u003eKey benefits:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eDramatic Skin Brightening: Clinically proven to visibly brighten skin and even tone in 7 days for a radiant, luminous complexion[1]\u003c\/li\u003e\n\u003cli\u003eEnhanced Skin Barrier Support: Powerful phyto exosomes deliver replenishing bioactives to skin cells rapidly \u0026amp; effectively, ensuring 0% barrier disruption[1]\u003c\/li\u003e\n\u003cli\u003ePremature Skin Ageing Defence: Shields skin from damaging free radicals, pollution, and daily environmental stressors to help defend against premature skin ageing\u003c\/li\u003e\n\u003cli\u003eSmooth and Even Complexion: Clinically proven to visibly improve skin smoothness and texture in 7 days, leaving a soft, polished finish[1]\u003c\/li\u003e\n\u003cli\u003eLightweight Finish: The fast-absorbing gel-serum texture hydrates, smooths, and primes, leaving skin instantly refreshed and ready for the day ahead\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eProven results:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e7 days to visibly brighter skin[1]\u003c\/li\u003e\n\u003cli\u003e7 days to visibly reduced wrinkles[1]\u003c\/li\u003e\n\u003cli\u003e0% barrier disruption[1]\u003c\/li\u003e\n\u003cli\u003e7 days to visibly smoother skin texture[1]\u003c\/li\u003e\n\u003cli\u003eReduces 90% of pollution damage to the skin's surface[2]\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eDisclaimers:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e[1] Proven via an independent clinical study conducted over 4 weeks on 32 participants.\u003c\/li\u003e\n\u003cli\u003e[2] Proven via in vitro protein carbonylation data against particulate matter pollution on the stratum corneum and epidermis.\u003c\/li\u003e\n\u003cli\u003e[3] Proven via an in vitro protein carbonylation study using European standard reference environmental pollutants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eKey ingredients:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e20% Stabilised Vitamin C (Tetrahexyldecyl Ascorbate) A highly potent yet gentle form of vitamin C for dramatic skin brightening and powerful antioxidant protection against premature skin ageing\u003c\/li\u003e\n\u003cli\u003ePhyto Exosomes: Encapsulated by nature, our phyto exosomes intelligently deliver proteins, lipids, and messenger molecules to skin cells. Together, alongside our supercharged vitamin C, they help prevent and reduce premature skin ageing by supporting healthier-looking, more resilient skin\u003c\/li\u003e\n\u003cli\u003eAcetyl Zingerone (pronounced 'a-sea-tul'): A super-antioxidant that works synergistically with vitamin C, enhancing its efficacy while neutralising ageing free radicals and shielding skin from environmental stressors\u003c\/li\u003e\n\u003cli\u003eMulti-Weight Hyaluronic Acid: Draws moisture into the skin to instantly plump and deeply hydrate for a soft, supple complexion\u003c\/li\u003e\n\u003cli\u003eN-Acetyl Glucosamine (NAG): A barrier-supporting, gentle, skin-refiner that smooths the look of pores, while helping to increase the skin's own natural hyaluronic acid levels over time\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003cp\u003eApply as part of your morning skincare routine. Massage 2-3 pumps across the face, neck and décolletage. Follow with moisturiser and always finish with sunscreen.\u003c\/p\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e\u003cp\u003eProduct packaging shown may be different to the product received due to regional variations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBeauty effect: Fine Lines \u0026amp; Wrinkles, Anti-Wrinkle, Smoothing, Dryness, Brightening, Reduces Pigmentation, Pollution \u0026amp; Environmental Damage, Visible Pores\u003c\/li\u003e\n\u003cli\u003eSafe for new and expectant mothers: Yes\u003c\/li\u003e\n\u003cli\u003eSkin type: Combination, Dry, Normal, Oily, Sensitive\u003c\/li\u003e\n\u003cli\u003eCountry of origin: United Kingdom\u003c\/li\u003e\n\u003cli\u003eFree from: Alcohol Free, Phthalate Free\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003cp\u003eSafety Warning: Avoid eye area. If product enters eyes, rinse well with water. If irritation occurs, cease use. Should irritation persist, consult a doctor. Use only as directed and on unbroken skin. Patch testing prior to use is advised.\u003c\/p\u003e\u003cp\u003eSuitable for vegans\/vegetarians: Suitable For Vegans\u003c\/p\u003e","brand":"John Lewis","offers":[{"title":"Default Title","offer_id":48323063808238,"sku":"STO-ITEM-2026-208484","price":109.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/0125\/9183\/files\/113544184.webp?v=1784135616","url":"https:\/\/mcgrocer.com\/products\/medik8-c-tetra-advanced-20-vitamin-c-gel-serum-with-phyto-exosomes-30ml-2026208484","provider":"McGrocer","version":"1.0","type":"link"}