| abstract |
The present invention provides compounds of the general formula (I), methods for their preparation, cosmetic or pharmaceutical compositions containing them, and skin, hair and / or which require control of skin, hair and / or nails, preferably melanocyte production. It relates to the use thereof for the treatment, management and / or cleaning of a condition, disease or lesion of a nail: Formula I [In the formula, X is selected from the group consisting of O or S, R is a linear or branched saturation having 2 to 23 carbon atoms, which may contain a substituent selected from the group consisting of hydroxy, alkoxy, amino, carboxyl, cyano, nitro, alkylsulfonyl or halogen atoms or Unsaturated aliphatic groups, or cyclic groups]. |