95 citations,
January 2007 in “Human biology” Human hair can be classified into eight types based on physical features, not ethnicity.
May 2023 in “Accounts of chemical research” New methods can better classify curly hair types and lead to improved hair care products.
107 citations,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.