The Effectiveness of Paradoxical Psychotherapy on Trichotillomania Disorder

Authors

    Hossein Zahmatkesh Master of Art in Family Counseling, Department of Educational Psychology and Counseling, Faculty of Psychology and Education, University of Tehran
    Mohammad Hassan Asayesh * Associate Professor in counseling, Department of Educational Psychology and Counseling, Faculty of Psychology and Education, University of Tehran asayesh@ut.ac.ir

Keywords:

Trichotillomania, Hair-Pulling Disorder , Paradoxical Psychotherapy, Prescribing the symptom, paradoxical intervention

Abstract

Trichotillomania is a subtype of obsessive-compulsive related disorders characterized by recurrent hair pulling and inability to control the behavior, leading to various physical and psychological consequences. Considering the limited effectiveness of current treatments and the need for innovative approaches, the present study aimed to evaluate the effectiveness of Paradoxical Psychotherapy like PTC model in reducing symptoms of trichotillomania. In In this single-group quasi-experimental time-series, 17 women with symptoms of trichotillomania were selected through purposive sampling. The intervention consisted of five sessions based on the PTC model, and assessments were conducted at four stages (baseline, Third session, post-treatment, and two-month follow-up) using the Massachusetts General Hospital Hairpulling Scale (MGH-HS) and the Treatment Outcome Subjective Rating Scale (TOSRS). Data were analyzed using repeated measures ANOVA and Friedman test. Findings showed that Paradoxical psychotherapy significantly reduced trichotillomania symptoms over time (η²=0.85, p<0.001), with the greatest changes observed between baseline and follow-up. TOSRS results also indicated significant improvement in participants’ condition and the persistence of therapeutic effects during follow-up Paradoxical psychotherapy, by altering the individual’s relationship with the symptom, reducing performance anxiety, and strengthening ego functions, can effectively reduce trichotillomania symptoms both rapidly and sustainably. Therefore, Paradoxical psychotherapy can be recommended as a short-term and targeted intervention for trichotillomania, especially in cases resistant to direct treatment approaches.

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Published

2026-02-28

Submitted

2025-10-22

Revised

2026-02-04

Accepted

2026-02-11

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Clinical Psychology

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How to Cite

Zahmatkesh, H., & Asayesh, M. H. (2026). The Effectiveness of Paradoxical Psychotherapy on Trichotillomania Disorder. KMAN Counseling & Psychology Nexus, 4, 1-14. https://journals.kmanpub.com/index.php/psychnexus/article/view/4607