Hailey-Hailey disease (HHD) is a rare autosomal dominant acantholytic dermatosis. It is characterized by a recurrent eruption of vesicles. erosions. and scaly erythematous plaques involving intertriginous areas and first occurring after puberty. https://www.kingarte.com/product-category/food-servicetabletop-concession-machinespopcorn-machines/