Alopecia areata up Close: A look at Exclamation mark hairs
Exclamation Hairs in AA
Up close (dermatoscopic) photo of the autoimmune condition alopecia areata showing areas of hair loss.
Inflammation beneath the scalp causes hair to be loss as well as existing hair to take on different appearances including exclamation mark hairs (EMH) and thinner vellus and miniaturized hairs.
This article was written by Dr. Jeff Donovan, a Canadian and US board certified dermatologist specializing exclusively in hair loss.