Ichthyosis, Congenital, Autosomal Recessive 12, also known as arci12, is related to ichthyosis, congenital, autosomal recessive 1. An important gene associated with Ichthyosis, Congenital, Autosomal Recessive 12 is CASP14 (Caspase 14). Affiliated tissues include skin, and related phenotype is white scaling skin.