Chemist @sarahbabula explains why Crystal Retinal is her recommended vitamin A of choice. Thanks to our patented stability complex and encapsulated formula, the retinal is dripped into the skin gradually overnight. You get maximum age-defying efficacy with minimum skin irritation. Tell us in the comments if you've tried our iconic Crystal Retinal. #Medik8 #Retinol #Retinal #VitaminA #AntiAgeing #AntiAging