{"product_id":"medik8-crystal-retinal®-20-experienced","title":"MEDIK8 CRYSTAL RETINAL® 20 EXPERIENCED","description":"\u003cp data-renderer-start-pos=\"157\"\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, brighten dark spots, decongest and firm your skin - without irritation.\u003csup\u003e[1]\u003c\/sup\u003e\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"389\"\u003eCrystal Retinal contains retinAL; a next-generation vitamin A which acts 11x faster than standard retinOL.\u003csup\u003e[2]\u003c\/sup\u003e And, unlike others, our patented retinal stability system ensures unmatched retinal potency and effectiveness until the very last drop.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"636\"\u003eIt’s no wonder Crystal Retinal is the No.1 Retinal Serum Worldwide.\u003csup\u003e[3]\u003c\/sup\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003csup\u003e[1]\u003c\/sup\u003e Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks.\u003cbr\u003e\u003csup\u003e[2]\u003c\/sup\u003e G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003csup\u003e[3]\u003c\/sup\u003e  \u003cem data-renderer-mark=\"true\"\u003e*Source: independent market research by Kline \u0026amp; Company analysing manufacturer-level retinal serum sales for 2025. To verify, visit:\u003c\/em\u003e \u003cspan class=\"loader-wrapper\"\u003e\u003ca href=\"http:\/\/medik8.com\/claims\" role=\"button\" data-testid=\"inline-card-resolved-view\" class=\"_1yt4x7n9 _2rko12b0 _v56415x0 _1e0c1nu9 _16d9qvcn _syaz1y58 _1rkwglyw _4cvxmr28 _19it1x13 _bfhkhp5a _1a3b1r31 _4fprglyw _5goinqa1 _9oik1r31 _1bnxglyw _jf4cnqa1 _1nrm1r31 _c2waglyw _1iohnqa1 _uizt1kdv _nt751r31 _49pcglyw _1hvw1o36 _1372tlke _7ehicw00 _1j5pglyw _1di629zg\" tabindex=\"0\"\u003e\u003cspan class=\"_19itglyw _vchhusvi _r06hglyw _o5721jtm _1nmz9jpi _16d9qvcn _ca0qv77o _u5f31b66 _n3tdv77o _19bv1b66\" data-testid=\"inline-card-icon-and-title\"\u003e\u003cspan class=\"_19itglyw _vchhusvi _r06hglyw _1e0c1o8l _2hwx1b66 _kqswh2mm\" data-testid=\"icon-position-wrapper\"\u003e\u003cspan class=\"_19itglyw _vchhusvi _r06hglyw _1bsb7vkz _4t3i1osq _1e0c1o8l _tzy4idpf\" data-testid=\"icon-empty-wrapper\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"_19itglyw _vchhusvi _r06hglyw\"\u003eClaims\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv id=\"shopify-section-template--16771656155288__f4658db1-2ed9-484a-93b0-fd6860be5663\" class=\"shopify-section f-accordion accordion-list f-accordion--attached-to-description\"\u003e\u003ckey-benefits\u003e\u003cdetails class=\"wrapper\" open=\"\"\u003e\n\u003ch5 class=\"title\"\u003eKEY BENEFITS\u003c\/h5\u003e\n\u003cul class=\"js-list-item hide__fade reset_height content\"\u003e\n\u003cli class=\"list-item\"\u003e\n\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 18 18\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7.56155 12.9077L13.9577 6.51155L13.25 5.80385L7.56155 11.4923L4.71155 8.6423L4.00385 9.35L7.56155 12.9077ZM9.00335 18C7.7588 18 6.58872 17.7638 5.4931 17.2915C4.39748 16.8192 3.44444 16.1782 2.63397 15.3685C1.82352 14.5588 1.18192 13.6066 0.70915 12.512C0.236383 11.4174 0 10.2479 0 9.00335C0 7.7588 0.236158 6.58872 0.708475 5.4931C1.18081 4.39748 1.82183 3.44444 2.63153 2.63398C3.44123 1.82353 4.39337 1.18192 5.48795 0.709151C6.58255 0.236384 7.75212 0 8.99665 0C10.2412 0 11.4113 0.236158 12.5069 0.708475C13.6025 1.18081 14.5556 1.82182 15.366 2.63152C16.1765 3.44122 16.8181 4.39337 17.2908 5.48795C17.7636 6.58255 18 7.75212 18 8.99665C18 10.2412 17.7638 11.4113 17.2915 12.5069C16.8192 13.6025 16.1782 14.5556 15.3685 15.366C14.5588 16.1765 13.6066 16.8181 12.512 17.2909C11.4174 17.7636 10.2479 18 9.00335 18ZM9 17C11.2333 17 13.125 16.225 14.675 14.675C16.225 13.125 17 11.2333 17 9C17 6.76667 16.225 4.875 14.675 3.325C13.125 1.775 11.2333 1 9 1C6.76667 1 4.875 1.775 3.325 3.325C1.775 4.875 1 6.76667 1 9C1 11.2333 1.775 13.125 3.325 14.675C4.875 16.225 6.76667 17 9 17Z\" fill=\"black\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003ch6\u003eFast Wrinkle Reducing Power\u003c\/h6\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003eSee clinically proven wrinkle reduction with just 1 tube*\u003c\/p\u003e\n\u003cp\u003e\u003ccite\u003e*Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks.\u003c\/cite\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"list-item\"\u003e\n\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 18 18\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7.56155 12.9077L13.9577 6.51155L13.25 5.80385L7.56155 11.4923L4.71155 8.6423L4.00385 9.35L7.56155 12.9077ZM9.00335 18C7.7588 18 6.58872 17.7638 5.4931 17.2915C4.39748 16.8192 3.44444 16.1782 2.63397 15.3685C1.82352 14.5588 1.18192 13.6066 0.70915 12.512C0.236383 11.4174 0 10.2479 0 9.00335C0 7.7588 0.236158 6.58872 0.708475 5.4931C1.18081 4.39748 1.82183 3.44444 2.63153 2.63398C3.44123 1.82353 4.39337 1.18192 5.48795 0.709151C6.58255 0.236384 7.75212 0 8.99665 0C10.2412 0 11.4113 0.236158 12.5069 0.708475C13.6025 1.18081 14.5556 1.82182 15.366 2.63152C16.1765 3.44122 16.8181 4.39337 17.2908 5.48795C17.7636 6.58255 18 7.75212 18 8.99665C18 10.2412 17.7638 11.4113 17.2915 12.5069C16.8192 13.6025 16.1782 14.5556 15.3685 15.366C14.5588 16.1765 13.6066 16.8181 12.512 17.2909C11.4174 17.7636 10.2479 18 9.00335 18ZM9 17C11.2333 17 13.125 16.225 14.675 14.675C16.225 13.125 17 11.2333 17 9C17 6.76667 16.225 4.875 14.675 3.325C13.125 1.775 11.2333 1 9 1C6.76667 1 4.875 1.775 3.325 3.325C1.775 4.875 1 6.76667 1 9C1 11.2333 1.775 13.125 3.325 14.675C4.875 16.225 6.76667 17 9 17Z\" fill=\"black\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003ch6\u003eProfessional-Grade Results\u003c\/h6\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003eRetinaldehyde is proven to work up to 11 times faster than standard retinol* - so you can see results sooner\u003c\/p\u003e\n\u003cp\u003e\u003ccite\u003e*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378 \u003c\/cite\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"list-item\"\u003e\n\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 18 18\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7.56155 12.9077L13.9577 6.51155L13.25 5.80385L7.56155 11.4923L4.71155 8.6423L4.00385 9.35L7.56155 12.9077ZM9.00335 18C7.7588 18 6.58872 17.7638 5.4931 17.2915C4.39748 16.8192 3.44444 16.1782 2.63397 15.3685C1.82352 14.5588 1.18192 13.6066 0.70915 12.512C0.236383 11.4174 0 10.2479 0 9.00335C0 7.7588 0.236158 6.58872 0.708475 5.4931C1.18081 4.39748 1.82183 3.44444 2.63153 2.63398C3.44123 1.82353 4.39337 1.18192 5.48795 0.709151C6.58255 0.236384 7.75212 0 8.99665 0C10.2412 0 11.4113 0.236158 12.5069 0.708475C13.6025 1.18081 14.5556 1.82182 15.366 2.63152C16.1765 3.44122 16.8181 4.39337 17.2908 5.48795C17.7636 6.58255 18 7.75212 18 8.99665C18 10.2412 17.7638 11.4113 17.2915 12.5069C16.8192 13.6025 16.1782 14.5556 15.3685 15.366C14.5588 16.1765 13.6066 16.8181 12.512 17.2909C11.4174 17.7636 10.2479 18 9.00335 18ZM9 17C11.2333 17 13.125 16.225 14.675 14.675C16.225 13.125 17 11.2333 17 9C17 6.76667 16.225 4.875 14.675 3.325C13.125 1.775 11.2333 1 9 1C6.76667 1 4.875 1.775 3.325 3.325C1.775 4.875 1 6.76667 1 9C1 11.2333 1.775 13.125 3.325 14.675C4.875 16.225 6.76667 17 9 17Z\" fill=\"black\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003ch6\u003eRadiant, Youthful Skin\u003c\/h6\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003eDelivers remarkable visible improvement in texture, brightness, firmness \u0026amp; clarity\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"list-item\"\u003e\n\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 18 18\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7.56155 12.9077L13.9577 6.51155L13.25 5.80385L7.56155 11.4923L4.71155 8.6423L4.00385 9.35L7.56155 12.9077ZM9.00335 18C7.7588 18 6.58872 17.7638 5.4931 17.2915C4.39748 16.8192 3.44444 16.1782 2.63397 15.3685C1.82352 14.5588 1.18192 13.6066 0.70915 12.512C0.236383 11.4174 0 10.2479 0 9.00335C0 7.7588 0.236158 6.58872 0.708475 5.4931C1.18081 4.39748 1.82183 3.44444 2.63153 2.63398C3.44123 1.82353 4.39337 1.18192 5.48795 0.709151C6.58255 0.236384 7.75212 0 8.99665 0C10.2412 0 11.4113 0.236158 12.5069 0.708475C13.6025 1.18081 14.5556 1.82182 15.366 2.63152C16.1765 3.44122 16.8181 4.39337 17.2908 5.48795C17.7636 6.58255 18 7.75212 18 8.99665C18 10.2412 17.7638 11.4113 17.2915 12.5069C16.8192 13.6025 16.1782 14.5556 15.3685 15.366C14.5588 16.1765 13.6066 16.8181 12.512 17.2909C11.4174 17.7636 10.2479 18 9.00335 18ZM9 17C11.2333 17 13.125 16.225 14.675 14.675C16.225 13.125 17 11.2333 17 9C17 6.76667 16.225 4.875 14.675 3.325C13.125 1.775 11.2333 1 9 1C6.76667 1 4.875 1.775 3.325 3.325C1.775 4.875 1 6.76667 1 9C1 11.2333 1.775 13.125 3.325 14.675C4.875 16.225 6.76667 17 9 17Z\" fill=\"black\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003ch6\u003eEffective Results Until the Last Drop\u003c\/h6\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003eThanks to Medik8's patented stability complex\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"list-item\"\u003e\n\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 18 18\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7.56155 12.9077L13.9577 6.51155L13.25 5.80385L7.56155 11.4923L4.71155 8.6423L4.00385 9.35L7.56155 12.9077ZM9.00335 18C7.7588 18 6.58872 17.7638 5.4931 17.2915C4.39748 16.8192 3.44444 16.1782 2.63397 15.3685C1.82352 14.5588 1.18192 13.6066 0.70915 12.512C0.236383 11.4174 0 10.2479 0 9.00335C0 7.7588 0.236158 6.58872 0.708475 5.4931C1.18081 4.39748 1.82183 3.44444 2.63153 2.63398C3.44123 1.82353 4.39337 1.18192 5.48795 0.709151C6.58255 0.236384 7.75212 0 8.99665 0C10.2412 0 11.4113 0.236158 12.5069 0.708475C13.6025 1.18081 14.5556 1.82182 15.366 2.63152C16.1765 3.44122 16.8181 4.39337 17.2908 5.48795C17.7636 6.58255 18 7.75212 18 8.99665C18 10.2412 17.7638 11.4113 17.2915 12.5069C16.8192 13.6025 16.1782 14.5556 15.3685 15.366C14.5588 16.1765 13.6066 16.8181 12.512 17.2909C11.4174 17.7636 10.2479 18 9.00335 18ZM9 17C11.2333 17 13.125 16.225 14.675 14.675C16.225 13.125 17 11.2333 17 9C17 6.76667 16.225 4.875 14.675 3.325C13.125 1.775 11.2333 1 9 1C6.76667 1 4.875 1.775 3.325 3.325C1.775 4.875 1 6.76667 1 9C1 11.2333 1.775 13.125 3.325 14.675C4.875 16.225 6.76667 17 9 17Z\" fill=\"black\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003ch6\u003eCustomise Your Routine With 6 Progressive Strengths\u003c\/h6\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003eA retinal strength for beginners to expert users - even sensitive skin\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\u003c\/key-benefits\u003e\u003c\/div\u003e\n\u003cdiv id=\"shopify-section-template--16771656155288__31d4ddf8-b03e-4372-b7a1-c4323755d9c6\" class=\"shopify-section f-accordion accordion-proven-results f-accordion--attached-to-description\"\u003e\u003cproven-results\u003e\u003cspan\u003e\u003c\/span\u003e\u003cdetails class=\"wrapper\" open=\"\"\u003e\n\u003ch4\u003eStep 1\u003c\/h4\u003e\n\u003cp\u003eIf you're new to Crystal Retinal we recommend a patch test at least 24 hours before first use. Learn how to patch test \u003ca href=\"https:\/\/www.medik8.com\/pages\/patch-test?srsltid=AfmBOorLvDju1ZiyNd-uCbKoWgmGS6IUmGUMF_yJgPfYAS9zzE3FemOs\"\u003ehere.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eAfter cleansing in the evening, apply 2 pumps of Crystal Retinal to the face and neck. Allow to absorb then follow with a moisturiser. We recommend Advanced Night Restore which is specifically designed to be used after vitamin A.\u003c\/p\u003e\n\u003ch4\u003eStep 2\u003c\/h4\u003e\n\u003cp\u003eFor new users of Crystal Retinal, phase application in gradually. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. You should always use a sunscreen the next morning after using vitamin A.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eWe recommend using at least 1 tube of your current Crystal Retinal strength before moving up the ladder to the next strength.\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cdiv class=\"subtitle\"\u003eAward-winning Age-Defying Vitamin A Night Serum\u003c\/div\u003e\n\u003cdiv class=\"ingredient-list\"\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003eAqua (Water), Caprylic\/Capric Triglyceride, Glycerin, Isododecane, Cetearyl Olivate, Sodium Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Cetearyl Alcohol, PPG-12\/SMDI Copolymer, Sorbitan Olivate, Tocopheryl Acetate, Titanium Dioxide, Eclipta Prostrata Extract, Cyclodextrin, Squalane, Hydroxyethyl Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Phenoxyethanol, Melia Azadirachta Leaf Extract, Hydroxypropyl Methylcellulose, Sodium Hyaluronate, Tetrahexyldecyl Ascorbate, Rubus Chamaemorus (Cloudberry) Seed Oil, Alumina, Isostearic Acid, Lecithin, Polyglyceryl-3 Polyricinoleate, Polyhydroxystearic Acid, Stearic Acid, Pentylene Glycol, Retinal, Moringa Oleifera Seed Oil, Sodium Polyaspartate, Climbazole, Disodium EDTA, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Daucus Carota Sativa (Carrot) Seed Oil, Ethylhexylglycerin, 3-O-Ethyl Ascorbic Acid, Dipteryx Odorata (Tonka) Bean Extract, Hydroxyacetophenone, Polysorbate 60, Sorbitan Isostearate, Vanilla Planifolia (Vanilla) Fruit Extract, Decylene Glycol, 1,2-Hexanediol, BHT, Coumarin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ingredient-disclaimer\"\u003e*Although we try our best to ensure this list of ingredients is accurate there may be product upgrades from time to time, or slight variants between different regions based on local laws, meaning the only definitive ingredient list is that which is printed on the product packaging.\u003c\/div\u003e\n\u003c\/details\u003e\u003c\/proven-results\u003e\u003c\/div\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":61587526811978,"sku":null,"price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/8404\/2058\/files\/0C480C1F-8050-41FA-AB4F-ECE169BFBE9A.jpg?v=1776011838","url":"https:\/\/shop.gemedispa.co.uk\/products\/medik8-crystal-retinal%c2%ae-20-experienced","provider":"G E MediSpa","version":"1.0","type":"link"}