RENEW AND REVIVE Discover pure youthful skin with Medik8 Crystal Retinal a oneofakind serum that reinvents Vitamin A Skincare Formulated with Retinaldehyde Hyaluronic Acid Glycerin and Vitamin E to boost hydration and smooth fine lines SMOOTH SKIN SIMPLIFIED The star of this serum is Retinaldehyde the classic form of Vitamin A that works to deliver rapid antiaging results up to 11x faster than Retinol With Retinal renewing and resurfacing radiant skin streamlined and simple CHOOSE YOUR SKINSMOOTHING STRENGTH The Crystal Retinal Serum is available in a series of progressive strengths from sensitive skin Vitamin A beginners to Retinaldehyde pros allowing you to slowly acclimate to the wrinklereducing treatment BEGINNER FRIENDLY RETINOID Start with Crystal Retinal 3 if you have never used a retinoid before Formulated with 003 retinaldehyde CUTTINGEDGE SKINCARE TECHNOLOGIES Medik8 pioneers cuttingedge skincare technologies with products are designed by our inhouse formulation scientists and researchers dedicated to delivering the most wellresearched skinhealing results