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 quicker than retinol. Yes, this is retinAL, faster-acting than retinOL. RESULTS Uniquely stabilised for optimum potency, Crystal Retinal is renowned for providing incredible age-defying results: think visibly brighter, firmer, smoother-looking skin in just 4 weeks.* KEY INGREDIENTS Encapsulated retinaldehyde, Hyaluronic Acid, ​Vitamin E & Glycerin.