Onychotillomania, also known as “nail picking,” describes self-induced trauma to the fingernails or toenails and periungual skin using one’s own fingers or other tools, including knives, scissors, or toothpicks, and is classified as a body-focused repetitive behavior [1–3]. Patients with onychotillomania may pick or excessively manicure their nails, resulting in onychodystrophy and other complications, including paronychia [3]. Onychotillomania is commonly seen in clinical practice, but prevalence estimates vary widely, suggesting that it is underreported. In a cross-sectional survey-based study by Pacan et al. examining the prevalence of onychotillomania and onychophagia in 339 Polish medical students, the estimated prevalence of onychotillomania was 0.9% [1, 4], In a cross-sectional survey study of 181 graduate students by Wu et al., 46.4% of respondents (84/181) reported nail picking [5].