Crystal Retinal Super Strength Vitamin A Night Serum. Restore youthful skin with Crystal Retinal 6 , Medik8’s latest vitamin A innovation. Formulated with 0.06% stabilised retinal, a potent vitamin A derivative with next-generation anti-ageing results. Unrivalled in its anti-ageing power, retinal can deliver results comparable to clinical-grade vitamin A up to 11 times faster than classic forms of retinol.1 The breakthrough night serum visibly minimises fine lines and wrinkles, firms and plumps the complexion to renew skin texture and smooth the face. With hyaluronic acid and vitamin E, it hydrates skin on all levels to deliver an even, smooth and youthful complexion. More than that, it actively helps reduce blemish-causing bacteria to keep skin clear and balanced. In just 4 weeks, skin is noticeably younger, smoother and undeniably radiant.2 Crystal Retinal 6 is perfect for those who are new to vitamin A or are looking to enhance their retinol results.