{"product_id":"medik8-c-tetra-advanced","title":"Medik8 C-Tetra Advanced","description":"\u003cdiv style=\"text-align:left; font-size:18px; margin:10px 0; font-weight:600;\"\u003e✓ 20% Stabilised Vitamin C + Phyto Exosomes | ✓ Visibly Brighter Skin in 7 Days | ✓ 0% Barrier Disruption\u003c\/div\u003e\u003chr style=\"border: 0; height: 1px; background-color: #cccccc; margin: 20px 0;\"\u003e\u003cp\u003e\u003cstrong\u003eMedik8 C-Tetra Advanced\u003c\/strong\u003e is Medik8's next-generation vitamin C: a lightweight \u003cstrong\u003e20% stabilised vitamin C\u003c\/strong\u003e gel-serum combined with phyto exosomes and the omni-antioxidant acetyl zingerone. Clinically shown to brighten skin and visibly improve wrinkles in 7 days with \u003cstrong\u003e0% barrier disruption\u003c\/strong\u003e, it is the high-strength vitamin C serum for visible signs of ageing that works smarter, not harsher.\u003c\/p\u003e\u003cp\u003eAt its core, Medik8 C-Tetra Advanced carries 20% tetrahexyldecyl ascorbate, a highly potent yet gentle form of vitamin C for dramatic brightening and antioxidant protection against premature skin ageing. \u003cstrong\u003ePhyto exosomes\u003c\/strong\u003e, derived from green tea, deliver proteins, lipids and messenger molecules to skin cells to support more resilient-looking skin, while acetyl zingerone works synergistically with the vitamin C, enhancing its effect as it neutralises ageing free radicals. Hyaluronic acid plumps and hydrates, and N-acetyl glucosamine smooths the look of pores. In Medik8's independent four-week clinical study on 32 participants, skin was visibly brighter and smoother with visibly reduced wrinkles in 7 days and no barrier disruption was measured; in vitro testing showed a \u003cstrong\u003e90% reduction in pollution damage\u003c\/strong\u003e to the skin's surface.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVisible Results Users Love\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisibly brighter skin\u003c\/strong\u003e in 7 days\u003c\/li\u003e\n\u003cli\u003eVisibly reduced wrinkles and smoother texture in 7 days\u003c\/li\u003e\n\u003cli\u003eA more even, luminous-looking complexion\u003c\/li\u003e\n\u003cli\u003eA hydrated, primed feel under moisturiser, SPF and make-up\u003c\/li\u003e\n\u003cli\u003eComfortable skin - 0% barrier disruption measured in the clinical study\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy This Beats a Standard 20% Vitamin C Serum\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength without the sting\u003c\/strong\u003e - Medik8 C-Tetra Advanced reaches 20% with gentle tetrahexyldecyl ascorbate rather than pure L-ascorbic acid\u003c\/li\u003e\n\u003cli\u003ePhyto exosomes and N-acetyl glucosamine support the skin barrier instead of stressing it\u003c\/li\u003e\n\u003cli\u003eIndependent clinical results in 7 days, with barrier disruption measured at zero\u003c\/li\u003e\n\u003cli\u003eA weightless gel-serum texture that absorbs quickly and suits oily and combination skin\u003c\/li\u003e\n\u003cli\u003eNon-comedogenic, dermatologically tested, tested on all skin types and tones, and certified by The Vegan Society\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVisible signs of ageing: fine lines, wrinkles and dullness\u003c\/li\u003e\n\u003cli\u003eNormal, combination and oily skin that prefers a lightweight finish\u003c\/li\u003e\n\u003cli\u003eUneven tone and dark spots\u003c\/li\u003e\n\u003cli\u003eCity skin exposed to pollution and environmental stressors\u003c\/li\u003e\n\u003cli\u003eAnyone who wants a high-strength vitamin C without irritation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose Medik8 C-Tetra Advanced if you want the strongest C-Tetra in a weightless gel; if your skin is dry and prefers a nourishing oil, C-Tetra Luxe is the better fit.\u003c\/p\u003e\u003cp\u003eAfter over 20 years in specialist skincare and medical aesthetics, Becci - the aesthetics nurse who founded Adore Your Skin - is wary of any serum that promises strength without consequences. Medik8 C-Tetra Advanced is the exception she recommends: 20% vitamin C with barrier disruption measured at zero is the kind of evidence clients come to her to have explained plainly, and it is her go-to high-strength vitamin C for normal, combination and oily skin.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 30ml\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":55409165402489,"sku":"P11807","price":58.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/6812\/0358\/files\/Medik8C-TetraAdvanced.png?v=1763682745","url":"https:\/\/www.adoreyourskin.co.uk\/products\/medik8-c-tetra-advanced","provider":"Adore Your Skin","version":"1.0","type":"link"}