I am undergoing a treatment of cystic acnes and the major pimples have subsided however offlately i have observed that my skin has become uneven with fine lines, marks and dark.pigmentations. I use sunscreen daily and having the medicines which the doctor prescribed. With isotroin 20 mg i feel some irritation in my throat coz of a lot of dryness. Any suggestions to get rid of the uneven tone and marks?