thiamidol

**Thiamidol** is a proprietary, patented active ingredient developed by Beiersdorf, primarily used in skincare for the treatment of hyperpigmentation disorders, including melasma, solar lentigines, and post-inflammatory hyperpigmentation. It acts as a potent, reversible inhibitor of human tyrosinase, an enzyme critical in the synthesis of melanin, thereby reducing the formation and accumulation of pigment spots. Thiamidol has shown superior efficacy when compared to traditional agents like hydroquinone, with notable reductions in MASI scores and high rates of patient improvement[1][3][4][9]. Its safety profile is suitable for long-term, over-the-counter use, with minimal adverse effects, making it appropriate for sensitive and diverse skin types[1][3][7].

Brand names

Eucerin Anti-Pigment Dual SerumNivea Cellular Luminous 630

Other names

isobutylamido thiazolyl resorcinol4-butylresorcinol