Alopecia areata has symptoms like hair breakage that show links to the dysregulation of cysteine metabolism. ... Exclamation mark hair typically appears as very small hairs around 3 mm to 4 mm, ...

These presentations, together with telltale clinical signs, such as exclamation-mark hairs , cadaver hairs , nail pitting , and the growth of white hair in formerly alopecic lesions , often render ...

Tracheoscopy-guided biopsies typically search for exclamation mark hairs, ... Hair loss is measured with the Severity of Alopecia Tool (SALT) scores and the Alopecia Areata Scale (AAS).

Hair loss at the edges of the affected areas is characterised by short, broken hairs that become thinner towards the scalp. They are colloquially referred to as cob, comma or ‘exclamation mark ...

Lara Kitchen, 20, lost her hair due to alopecia. ... In addition, you might see so-called "exclamation mark" hairs, or short hairs on the edges of bald spots that get slimmer at the bottom.