How do I reduce breast size with pills?

While the cartilage itself does not move, its position may be adjusted during the surgical procedure. The term 'cartilage moving' might more accurately refer to the settling or adaptation of the reshaped cartilage to its new configuration. The healing process involves tissue stabilization.

I advise you to visit a certified plastic surgeon. Upon proper diagnosis and after seeing the extent of the injury, shape and size of your scar and other things, the surgeon will decide which treatment is appropriate for you and whether plastic surgery is an option for you or not. Talking about the cost, the cost varies depending on the complexity of the procedure and the type of anesthesia. 

You need good moisturizer and sun screen after chemical peel treatment

I advise you to visit an experienced dermatologist for your marks. Depending on the severity of your mark, the dermatologist will suggest treatments like laser treatments etc.