urge to pull out hair repetitively

反復衝動毛を抜く, 疎頭髪, 頭皮の脱毛, pulling out own hair

Trichotillomania (TTM), or "trich" as it is commonly known, is an impulse control disorder characterized by the repeated urge to pull out scalp hair, eyelashes, facial hair, nose hair, pubic hair, eyebrows or other body hair, sometimes resulting in noticeable bald patches.