Woolly hair nevus, alternatively spelled wooly hair nevus, is a congenital condition in which hair in a circumscribed area of the scalp is kinked or woolly.[1]
^Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. p. 851. ISBN978-1-4160-2999-1.