I did TCA 35% peel on my hands for dark knuckles and keep it for 10 min but it ruined my hands. Advice? (photo)

I did tca 35% peel on my hands for dark knucles and keep it for 10 min and after peeling go in sun....and my color of finger gone chnged...then i again appy tca peel to remove my hand color...but did not show any result...then i appy salicyclic cream,gycolic cream,retin a...but without any improper its getting darker and darker day by day...i m very depressed plz suggest me something.nothing goes rite with my hands