Hi Dr. Prasad. I am 26 years old. my face,arms, chest , back is dull skinned, pigmented, prone to cystic acne (just receovering from a horrible bout of it after more thyan 1.5 years), acne marks. how can i achieve clean, fair, soft and beautiful skin in those areas? what are the treatments for it? how many sittings do i have to go through.. can u suggest some reasonably priced doctors/clinics?