Thiamidol is an emerging whitening ingredient that is a derivative of resorcinol and has no cytotoxicity. Its inhibitory effect on tyrosinase is very strong, 119 times that of 377 e 455 times that of kojic acid. Product Name Thiamidol CAS 1428450-95-6 Appearance White Powder MF C13H14N2O3S Molecular Weight 278.33 Pureza 99% Storage Keep in a cool, dry, dark location in a tightly sealed …