{"title":"Our CSA Philosophy","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eUnlock the simple, clinically proven approach to youthful, glowing skin - both instantly and over time. It’s as easy as using vitamin C plus moisturizer + SPF in the morning and vitamin A at night. We call this the CSA Philosophy™.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"c-tetra-advanced","title":"C-Tetra™ Advanced Gel-Serum","description":"\u003cp\u003eDefend against the visible effects of premature skin aging and achieve accelerated skin brightening with a next-generation combination of 20% Vitamin C and Phyto Exosomes.  \u003c\/p\u003e\n\u003cp\u003eDelivered in a non-greasy, lightweight gel-serum, this intelligent ingredient complex combines potent, stabilized, Vitamin C with restorative Phyto Exosomes for visible brightening, skin smoothing, and daily antioxidant defense. \u003cbr\u003e\u003c\/p\u003e","brand":"Medik8-US","offers":[{"title":"C-Tetra™ Advanced Gel-Serum","offer_id":51767318544678,"sku":"P12433","price":110.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/0857\/7830\/files\/2026_-_PDP_Asset_-_C-Tetra_Advanced_-_NAR.jpg?v=1773845348"},{"product_id":"c-tetra-luxe","title":"C-Tetra™ Luxe","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSupercharge your skin's radiance each morning with C-Tetra Luxe\u003c\/span\u003e\u003cspan\u003e, a vitamin C serum for your face \u003c\/span\u003e\u003cspan\u003eclinically proven to reduce the appearance of wrinkles and dark spots in just 4 weeks.* It also works to boost visible radiance while supporting the skin barrier. Featuring twice the amount of vitamin C (14%) of our original C-Tetra serum, C-Tetra Luxe is ideal for those looking for enhanced skin radiance and antioxidant protection alongside deep nourishment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe velvety-soft serum is formulated with a stabilized (and therefore very potent) form of vitamin C called tetrahexyldecyl ascorbate, which delivers proven results after just 1 use*; all with a gentle, nourishing experience for your skin.\u003cbr\u003e\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"C-Tetra™ Luxe","offer_id":51767321657638,"sku":"P12543","price":98.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/0857\/7830\/files\/2026_-_PDP_Asset_-_C-Tetra_Luxe_-_Packshot_-_NAR_5dafccbd-22c9-43ce-b616-fe9a74b4010d.jpg?v=1773845307"},{"product_id":"crystal-retinal","title":"Crystal Retinal","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eReveal younger-looking skin with just 1 tube of Crystal Retinal. Our iconic vitamin A night serum is clinically proven to visibly smooth stubborn wrinkles\u003c\/span\u003e\u003cspan\u003e\u003csup\u003e[1]\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e. The formula visibly brightens dark spots, decongests and firms your skin - without irritation.\u003c\/span\u003e\u003csup\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/sup\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCrystal Retinal contains retinAL; a next-generation vitamin A which is clinically proven to act 11x faster than standard retinOL to visibly smooth, brighten and firm skin.\u003csup\u003e[2]\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eUnlike others, our patented retinal stability system ensures unmatched retinal potency and effectiveness until the very last drop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eIt’s no wonder Crystal Retinal is the closest thing to a prescription without needing a prescription\u003csup\u003e[3]\u003c\/sup\u003e and the No.1 Retinal Serum Worldwide.\u003csup\u003e[4]\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Medik8","offers":[{"title":"Crystal Retinal 1","offer_id":51767321821478,"sku":"P12437","price":79.0,"currency_code":"CAD","in_stock":true},{"title":"Crystal Retinal 3","offer_id":51767321854246,"sku":"P12438","price":93.0,"currency_code":"CAD","in_stock":true},{"title":"Crystal Retinal 5","offer_id":52771619733798,"sku":"P12274","price":122.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/0857\/7830\/files\/2026-PDPAssets-CrystalRetinal5-Packshot-NAR_new_badge.jpg?v=1777041269"},{"product_id":"c-tetra","title":"C-Tetra™","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eRestore the look of skin radiance in just 7 days* with cult-favorite C-Tetra. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eFormulated with a stabilized form of vitamin C (7%) called tetrahexyldecyl ascorbate, this lightweight serum works to visibly brighten uneven skin tone and reduce the look of fine lines and wrinkles, while remaining gentle on sensitive skin. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eFortified with vitamin E, this antioxidant powerhouse also helps to promote a more youthful and healthy-looking complexion overall. The perfect option for those who are new to vitamin C, or those with sensitive skin. \u003c\/span\u003e\u003cbr\u003e\u003cmeta http-equiv=\"content-type\" content=\"text\/html; charset=utf-8\"\u003e\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"C-Tetra™","offer_id":51767321198886,"sku":"P12541","price":75.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/0857\/7830\/files\/2026_-_PDP_Asset_-_C-Tetra_-_Packshot_-_NAR.jpg?v=1773844980"},{"product_id":"c-tetra-eye","title":"C-Tetra™ Eye","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\" data-sheets-value=\"{\" a visibly brighter smoother and energised eye area each morning with c-tetra eye. harnessing the proven age-defying powers of medik8 facial serums is expertly designed to deliver powerful visible results while being lightweight fast-absorbing gentle enough for your delicate area. stabilised tetrahexyldecyl ascorbate as-corr-bate this eye-specialist vitamin c serum works smooth look fine lines wrinkles around eyes brightening deeply nourishing more revitalised appearance overall. discover energized stabilized revitalized data-sheets-userformat='{\"2\":4995,\"3\":{\"1\":0},\"4\":{\"1\":2,\"2\":14281427},\"10\":0,\"11\":4,\"12\":0,\"15\":\"Arial\"}' data-sheets-textstyleruns='{\"1\":0}{\"1\":627,\"2\":{\"2\":{\"1\":2,\"2\":13369344}}}'\u003eDiscover a visibly brighter, smoother, and energized eye area each morning with C-Tetra™ Eye. Harnessing the proven age-defying powers of Medik8's C-Tetra™ facial serums, C-Tetra™ Eye is expertly designed to deliver powerful visible results while being lightweight, fast-absorbing and gentle enough for your delicate eye area. \u003cbr\u003e\u003cbr\u003eFormulated with stabilized tetrahexyldecyl ascorbate (pronounced 'tetra-hexul-deckul as-CORR-bate'), this eye-specialist vitamin C serum works to smooth the look of fine lines and wrinkles around the eyes while visibly brightening and deeply nourishing for a more revitalized eye appearance overall.\u003c\/span\u003e\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":51767321592102,"sku":"P12539","price":38.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/0857\/7830\/files\/2026_-_PDP_Asset_-_C-Tetra_Eye_-_Packshot_-_NAR.jpg?v=1773843219"},{"product_id":"crystal-retinal-ceramide-eye","title":"Crystal Retinal® Ceramide Eye","description":"\u003cp\u003eWake up to a more youthful-looking eye area with fewer crow's feet, reduced puffiness and visibly brightened dark circles. This world-first, clinically proven nighttime ceramide eye cream contains next-generation retinAL (not retinol) which works 11x times faster than standard retinol* to deliver remarkable visible results in just 1 use.** Powerful results without irritating the delicate eye area.\u003c\/p\u003e\n\u003cp\u003eRecommended by dermatologists worldwide, Crystal Retinal Ceramide Eye is available in 2 progressive strengths (that sit alongside our iconic Crystal Retinal ladder for the face), so you can keep experiencing ever-improving benefits.\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-textstyleruns='{\"1\":0}{\"1\":628,\"2\":{\"4\":8}}{\"1\":844}' data-sheets-userformat='{\"2\":4995,\"3\":{\"1\":0},\"4\":{\"1\":2,\"2\":14281427},\"10\":0,\"11\":4,\"12\":0,\"15\":\"Arial\"}' data-sheets-value=\"{\" in=\"\" by=\"\" is=\"\" for=\"\" face=\"\" data-sheets-root=\"1\"\u003e\u003csup\u003e*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378\u003cbr\u003e**Proven via independent clinical study on Crystal Retinal Ceramide Eye 6 conducted over 12 weeks on 32 participants\u003c\/sup\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"Crystal Retinal Ceramide Eye 3","offer_id":51767325524262,"sku":"P12476","price":76.0,"currency_code":"CAD","in_stock":true},{"title":"Crystal Retinal Ceramide Eye 5","offer_id":52771624517926,"sku":"P12484","price":96.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/0857\/7830\/files\/2026-PDPAsset-CrystalRetinalCeramideEye5-NAR_new_badge.jpg?v=1777041293"}],"url":"https:\/\/ca.medik8.com\/collections\/csa-philosophy.oembed","provider":"Medik8-CA","version":"1.0","type":"link"}