| abstract |
Cosmetic compositions and methods of skin lightening using compounds of formula I as skin lightening agents: n n n Wherein X represents Carbon, Nitrogen, Sulfur or Oxygen; n each A 1 and/or A 2 independently is ═H or COR, CO 2 R, CONHR having the following formula A: n n n where R═C 1 -C 18 saturated or unsaturated, linear or branced, hydrocarbon; and each Y 1 and/or Y 2 independently is C 1 -C 18 saturated or unsaturated hydrocarbon or OZ, where Z═H or COR 1 , CO 2 R 1 , CONHR 1 of formula B: n n n and where R 1 ═C 1 -C 18 saturated or unsaturated, linear or branched, hydrocarbon. |