In men it resembles the letter M on their receding hairline while for women there is thinning on the top of their head with the widening of the parting line with intact forehead hairline.
Hair fall is severe and noticed while combing, after hair wash and hair are noticed clogging the drain.
These are circular, coin-sized, bald spots with smooth shiny skin which usually appear on the scalp but sometimes appear on beards, eyebrow and other body parts.