psychiatric nurse practitioer
NAC (N-acetylcysteine) has shown efficacy in clinical trials as a treatment for Skin Picking and Hair Pulling Disorder. NAC is readily available over the counter. While results are very preliminary, case reports have demonstrated mostly positive results and a lack of significant side effects.
Braun TL, Patel V, DeBord LC, Rosen T. A review of N-acetylcysteine in the treatment of grooming disorders. Int J Dermatol. 2019;58(4):502-510. doi:10.1111/ijd.14371