| 摘要 |
Cosmetic compositions and methods of skin lightening using compounds of formula I as skin lightening agents:Wherein X represents Carbon, Nitrogen, Sulfur or Oxygen;each A1 and/or A2 independently is =H or COR, CO2R, CONHR having the following formula A:where R=C1-C18 saturated or unsaturated, linear or branched, hydrocarbon; andeach Y1 and/or Y2 independently is C1-C18 saturated or unsaturated hydrocarbon or OZ, where Z=H or COR<1>, CO2R<1>, CONHR<1 >of formula B:and where R<1>=C1-C18 saturated or unsaturated, linear or branched, hydrocarbon.
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