Melanin is a natural pigment that gives colour to skin. Exposure to sunlight, hormonal influences and ageing can cause an increase in melanin production and trigger hyperpigmentation. Hyperpigmentationappears as dark patches and age spotsalso known as sun spots that make skin look uneven.Eucerin AntiPigment Dual Serum brings together two powerful active ingredients that work in different waysThiamidol an effective and patented ingredient that acts at the root cause of hyperpigmentation is clinically proven to reduce the appearance of hyperpigmentation, helping prevent its reappearance with regular usage. Patented to Eucerin.Concentrated Hyaluronic Acid one of the skins most effective moisturising substances helps skin to attract and retain moisture.The light emulsion is clinically and dermatologically proven to reduce pigment spots and prevent their reappearance while renewing skins look. First results are visible after two weeks and improve continuously with regular use. Skin is smooth and looks renewed, even and radiant. The packaging now comes in a monochamber for easier application.