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. Rediscover youthful skin with Crystal Retinal™, Medik8’s latest innovation in vitamin A is now available in four strengths. Formulated with stabilised retinal, a powerful derivative of vitamin A with next-generation anti-ageing results. Unmatched in its age-defying power, retinal can deliver results comparable to clinical-grade vitamin A up to 11 times faster than classic forms of retinol.1  The ground-breaking overnight serum visibly minimises fine lines and wrinkles; firming and plumping the complexion to resurface skin texture and soften the face. Featuring hyaluronic acid, glycerin and vitamin E, it hydrates skin at every level to deliver a supple, even-toned, more youthful-looking complexion. More than that, it actively helps reduce blemish-causing bacteria.