Hypotrichosis 6, also known as hypotrichosis, localized, autosomal recessive, is related to hypotrichosis 8 and hypotrichosis 7. An important gene associated with Hypotrichosis 6 is DSG4 (Desmoglein 4), and among its related pathways/superpathways are Nervous system development and Keratinization. Affiliated tissues include skin, and related phenotypes are pili torti and sparse hair