AA is an autoimmune condition in which activated T-lymphocytes target hair follicles. Some evidence points to follicular ... and the presence of “exclamation point” hairs.1 If the type ...

We all shed some hair every day—around 100 strands, which is totally normal. But let us be real, managing your hair can sometimes feel like a full-time job. From styling to preventing damage, it is ...

Early AA symptoms included exclamation point hair and hair breakage, ... Donovan J. Exclamation mark hairs. Donovan Hair Clinic. August 17, 2011. Accessed June 25, 2024.

Two boys with similar patches of hair loss—one developed six months ago, and the other had been present since birth. ... or the “exclamation point” hairs discussed previously.