Chemical peel for whiteheads, blackheads, acne on butt, dark elbows and knees and for suntan? (Photo)

hi, my face, hands,butts look darker than rest of my body. I have few whiteheads,blackheads, on my nose and chin. i also have dark elbows and knees. and acne on my butts. I want to try chemical peel kit at home. could u suggest chemical peel kit which can be done at home?