Trichotillomania - Trichophagia
Trichotillomania, also known as hair pulling disorder or compulsive hair pulling, is a mental disorder characterized by a long-term urge that results in the pulling out of one's hair.
Trichophagia is the compulsive eating of hair associated with trichotillomania. In trichophagia, people with trichotillomania also ingest the hair that they pull.