Any wooly hair in which the cause of the disease is a mutation in the KRT25 gene. The disease is wooly hair, autosomal recessive 3 (Monarch Disease Ontology identifier MONDO_0014765). Also known as: ARWH3, KRT25 woolly hair (disease), KRT25 wooly hair (disease), woolly hair (disease) caused by mutation in KRT25, woolly hair, autosomal recessive type 3, wooly hair (disease) caused by mutation in KRT25, wooly hair, autosomal recessive type 3.