New 4-phenyl-imidazole-2-thiones as tyrosinase inhibitors, their process for the preparation and their use in human medicine and in cosmetics.

The present invention relates to novel 4-phenyl-imidazole-2-thiones of the general formula (I): compositions containing them, a process for their preparation and to their use in pharmaceutical or cosmetic compositions intended for treatment or prevention of pigmentary disorders.