The Eucerin Anti-Pigment Dual Serum is a dual-action serum with Thiamidol and concentrated Hyaluronic Acid for even and radiant skin. 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. Hyperpigmentation appears as dark patches and age spots (also known as sun spots) that make skin look uneven. Eucerin Anti-Pigment Dual Serum brings together two serums that work in different ways: - Thiamidol: 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 re-appearance with regular usage. - Concentrated Hyaluronic Acid: one of skin\'s most effective moisturising substances helps skin to attract and retain moisture. The light emulsion is clinically and dermatologically proven to reduce the appearance of dark spots and prevent their re-appearance while renewing skin\'s look. First results are visible after two weeks and improve continuously with regular use. Skin is smooth and looks renewed, even and radiant.