Eucerin says their products have higher concentration of Thiamidol than Nivea : r Melasmaskincare Thiamidol: A Game Changer for Dark Spots, Hyperpigmentation Clinikally What is Thiamidol? Thiamidol is a patented ingredient by Beiersdorf that helps to reduce dark spots and hyperpigmentation. Proven in 70+ clinical studies to reduce hyperpigmentation and prevent it from reappearing Hydroquinone vs. Thiamidol what does the evidence show?, Hydroquinone, Long standing gold standard for hyperpigmentation, Potent tyrosinase inhibitor, Typically used short term under Anti Pigment Dual Serum pigmentation cream Eucerin