| abstract |
The compounds of formula (I), the process for making them and cosmetic compositions and methods for skin lightening, which use compounds of formula (I) as skin lightening agents: (I) where each A1 and / or A2 independently it is = H a cor, CO2R, CONHR, with the last three having the following formula (A): (A) where R = saturated or unsaturated, linear or branched C1-C18 hydrocarbon; and each of Y1 and / or Y2 independently is H; C1-C18 saturated or unsaturated hydrocarbon; or OZ, where Z = H to COR1, CO2R1, CONHR1 of formula (B): (B) and where R1 = saturated or unsaturated, linear or branched C1-C18 hydrocarbon; X is carbon, nitrogen, sulfur or oxygen; and N is an integer between 0 and 2 (see formulas (I), (A), (B)). |