Looking to begin using retinol, but not sure where’s a safe place to start? Medik8 have formulated an entry level retinal serum, or for those with sensitive skin. Even with a milder formulation, if you’re looking to fight all signs of aging, then the Medik8 Crystal Retinal 1 is your answer. Reduce the appearance of fine lines and wrinkles, improve skin tone and refine skin texture with this powerful facial treatment. Thanks to its technologically advanced formula, Medik8 Crystal Retinal 1 resurfaces skin, helping to boost collagen to help reveal a radiant, youthful complexion. By using this advanced Vitamin A treatment, skin is left soft and smooth, while fine lines and wrinkles are dramatically reduced, and your overall skin tone is improved. The Medik8 Crystal Retinal 1 is the mildest formulation in the Medik8 Crystal Retinal line.