My barber found a bald spot, what is it caused by? (photo)
https://healthell.blogspot.com/2020/07/my-barber-found-bald-spot-what-is-it.html
This looks like Alpecia areata, an autoimmune disease which impacts the hair. You should see a dermatologist and upon examination with a hand microscope he/she will see ‘exclamation mark’ hairs which makes the diagnosis. The a biopsy and a special treatment routine is needed.
from BaldingBlog - Hair Loss Info https://ift.tt/3ehOlGN