Definition of Traumatic alopecia

1. Hair Loss Slideshow Pictures
2. Hair and Scalp Slideshow Pictures
3. Take the Hair Loss Quiz!

Traumatic alopecia: Hair loss caused by injury to the scalp. Common causes include the use of caustic hair straighteners, especially those that include lye as an ingredient; stress traction injury from tight rollers and braiding; overheating of the hair shafts; and compulsive pulling out of hair (trichotillomania).