Uncombable Hair Syndrome 1, also known as uncombable hair syndrome, is related to loose anagen hair syndrome and intellectual disability-polydactyly-uncombable hair syndrome. An important gene associated with Uncombable Hair Syndrome 1 is PADI3 (Peptidyl Arginine Deiminase 3). Affiliated tissues include skin and heart, and related phenotypes are coarse hair and white hair