J Clin Aesthet Dermatol. 2022;15(4):49–58. by Jaspriya Sandhu, MD, DNB, MNAMS; Arushi
Hailey-Hailey disease (HHD), or chronic benign familial pemphigus, is a rare inherited acantholytic dermatosis, characterized by chronic, recurrent vesicles, erosions, and maceration in intertriginous sites.