had a hair transplant 2 years ago, everything was fine until a year ago that i experienced hair loss from all over my head hair was thinning in my donor area too which was new and hairs starts to grow finer wich is , Im eager to have a scalp biopsy but wondering where should it taken from because I already have scars and pili toriti hairs in my donor area because of harvesting ,is it possible to differ those scars from lpp scars? if i had lpp is it possible for those fine hair to grow stronger?