The protocol is available in book form in
Woods, D. W., & Twohig, M. P. (2008). Trichotillomania: An ACT-enhanced Behavior Therapy Approach Therapist Guide. Oxford University Press.
The accompanying client workbook is available in
Woods, D. W., & Twohig, M. P. (2008). Trichotillomania: An ACT-enhanced Behavior Therapy Approach Workbook. Oxford University Press.
Experimental tests to date:
Woods, D. W., Wetterneck, C. T., & Flessner, C. A. (2006). A controlled evaluation of Acceptance and Commitment Therapy plus habit reversal for trichotillomania. Behaviour Research and Therapy, 44(5), 639-656.