{"product_id":"crystal-retinal-4","title":"Medik8 Crystal Retinal 3","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eAward-winning Age-Defying Vitamin A Night Serum\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\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\u003cbr\u003e\u003cbr\u003eCrystal Retinal contains retinAL; a next-generation vitamin A which acts 11x faster than standard retinOL.\u003csup\u003e[2]\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eAnd, unlike others, our patented retinal stability system ensures unmatched retinal potency and effectiveness until the very last drop.\u003cbr\u003e\u003cbr\u003eIt’s no wonder Crystal Retinal is the UK’s No.1 dermatological face serum.\u003csup\u003e[3]\u003c\/sup\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e[1] Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks.\u003cbr\u003e[2] G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e[3]  \u003ci\u003eSource: Circana (UK) Ltd, Retail Tracking Service, Prestige Skincare Face Serum by Franchise Line, Derm Brand Attribute, Value \u0026amp; Unit Sales, 12 ME June 2025. †Dermatologist Brand is defined as a brand that has identified itself as (i) founded or developed by a dermatologist and\/or (ii) is dermatologist recommended. T\u003c\/i\u003eo verify visit\u003ca rel=\"noopener\" href=\"https:\/\/www.medik8.com\/pages\/circana-group-claim-letters-crystal-retinal\" target=\"_blank\"\u003e: https:\/\/www.medik8.com\/pages\/circana-group-claim-letters-crystal-retinal \u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":56489932357964,"sku":null,"price":49.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/3334\/3308\/files\/4_ab19f04f-ec65-430b-a406-704f6a1ecfe3.png?v=1768394972","url":"https:\/\/skin-folk.co.uk\/products\/crystal-retinal-4","provider":"Skinfolk","version":"1.0","type":"link"}