Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off.

Onychotillomania can be categorized as a body-focused repetitive behavior in the DSM-5 and is a form of skin picking, also known as excoriation disorder.

It can be associated with psychiatric disorders such as depressive neurosis, delusions of infestation[2] and hypochondriasis.

[7] One cheap solution suggested by researchers is to cover the proximal nail fold with a Cyanoacrylate glue.

"The mechanism of action for improvement is probably related to the presence of an obstacle to picking.