Habit Replacement
The following video illustrates another self-help approach that you may find helpful (published in JAMA Dermatology; Moritz et al., 2023).
You can download the Habit Replacement manual here.
Literature
Moritz, S., Penney, D., Missmann, F., Weidinger, S., & Schmotz, S. (2023). Self-help habit replacement in individuals with body-focused repetitive behaviors: a proof-of-concept randomized clinical trial. JAMA Dermatol.