What home remedies are there to have flawless skin between your breasts?

Ok so i have big breast and i recently got scars and some acne between my breast and dont know why . I have tried walking around topless and tried neutrogina body scrubb or however you spell that and it did not help. I can not wear pretty tops because i am embarassed . I want to have nice smooth skin between my breast. I want to know of home remedies i can do. Please help!