Go from before to after 11x faster. The Medik8 retinal revelation that leaves ordinary vitamin A behind. KEY BENEFITS Retinaldehyde is the star of Crystal Retinal; a next-generation form of vitamin A that is proven to deliver results up to 11x faster than retinol[1]. Yes, this is retinAL, faster-acting than retinOL, the classic form of vitamin A. RESULTS Uniquely stabilised for optimum potency, Crystal Retinal is clinically proven to provide incredible age-defying results in just one tube: think visibly brighter, firmer and smoother-looking skin. LADDER UP Always peak, never plateau. Ladder up your results with 5 available strengths: 1, 3, 6, 10 and 20. Most customers start on Crystal Retinal 3 (for skincare beginners) or 6 (for experienced skincare users), then over time move up to 10. Find out which level of Crystal Retinal is right for you here. KEY INGREDIENTS Encapsulated Retinaldehyde, Patent-Pending Stabilisation System, Hyaluronic Acid, ​Vitamin E & Glycerin