My forhead is turning dark day by day. It all starts 2 years ago.. I've taken treatment for this from 2 skin clinics but i haven't get rid of it. Don't know what's the problem is there on my forhead skin. Also suffering from pimples on forhead(only) and 1 more thing is there,pimple marks on forhead stays long even by applying scar free cream. I want my forhead skin colour to be match with my face colour. I've attached some of my photos please see the edge of my forhead and its is more dark in real than the photos. I want clean forhead Please help