Medik8 Crystal Retinal 3 is Medik8's entry point for those who are new to vitamin A or have tried mild retinol formulas and the answer to those looking to prevent early signs of skin ageing. Revealing younger-looking skin with just one tube, this ground-breaking cream serum is formulated with 0.03% Retinaldehyde, a super-charged derivative of vitamin A, which works to promote the skins natural collagen production, rebuild lost collagen and increase cell turnover, promoting a smoother, brighter and healthier complexion. By requiring only one conversion to retinoic acid, the Crystal RetinalTM works 11 x faster than other forms of retinol*, delivering results comparable to clinical-grade vitamin A. Delivering gentle and powerful results, this serum is formulated with a globally patented stability system that ensures maximum retinal potency to the very last drop, delivering gentle and powerful results without irritation. Clinically proven to improve the appearance of pigmentation, fine l