| abstract |
The present invention refers to compounds of general formula (I) wherein X is selected from the group consisting of O or S and Res an aliphatic group with 2 to 23 carbon atoms (C2 to C23) linear or branched, saturated or unsaturated , or a cyclic group, and which may contain substituents selected from the group consisting of hydroxy, alkoxy, amino, carboxyl, cyano, nitro, alkylsulfonyl or halogen atoms, a method of obtaining, cosmetic or pharmaceutical compositions containing them and their use for the treatment, care and / or cleaning of the skin, hair and / or nails, preferably those conditions, disorders or pathologies of Iapiel, hair and / or nails that require the regulation of melanogenesis. |