SASH1 and dyschromatosis universalis hereditaria: As the hereditary disorder, modes of inheritance that are both autosomal dominant and autosomal recessive have been confirmed in DUH.[5,6] The DUH-related genes were initially identified on chromosomes 6q24.2 to q25.2 and 12q21 to q23.[6,7] In 2013, Zhang[8] further confirmed the disease-causing mutations to be in the ATP-binding cassette subfamily B, member 6 gene at 2q35 in patients diagnosed with DUH.