179 citations,
June 2000 in “The American journal of pathology” The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.
13 citations,
November 2009 in “Journal of Dermatological Science” A gene mutation causes woolly hair in a Syrian patient.
July 2005 in “British Journal of Dermatology” New gene mutations linked to skin conditions were found, bacteria and chemicals may worsen acne, a dog mutation could exist in humans, virus-like elements might be involved in psoriasis, and a vitamin D3 treatment doesn't prevent chemotherapy-related hair loss.
75 citations,
September 2007 in “Journal of Heredity” FGF5 gene mutations cause long hair in domestic cats.
119 citations,
November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.