234 citations,
November 2009 in “American journal of human genetics” Common variants in the Trichohyalin gene are linked to straight hair in Europeans.
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.
36 citations,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
January 2023 in “Karger Kompass. Dermatologie” Scientists are still unsure what triggers the immune system to attack hair follicles in Alopecia areata.