u/Significant_Art_4141

hi guys, i have been wanting something that can remove underarm darkness also mero knuckles ni dark cha which i am insecure about. so maile thaha pako glycolic acid ramro huncha re for this. tara ordinary ko aali expensive nai lagyo, if you know any other better option for it please suggest me. ani does it actually work? after how long does it start to show results?