Rights© 2017 Wiley. This is the peer-reviewed version of the following article: Westgate GE, Ginger RS and Green MR (2017) The biology and genetics of curly hair. Experimental Dermatology. 26(6): 483-490., which has been published in final form at https://doi.org/10.1111/exd.13347. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.