May 2026 in “Frontiers in Medicine” This study found that several demographic, familial, lifestyle, and metabolic factors were independently associated with androgenic alopecia, differing by severity across various subtype classifications.
6 citations
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December 2014 in “Clinical and Experimental Dermatology” In this study, hair density and thickness in nonbalding scalp areas varied with the severity and BASP subtypes of androgenetic alopecia in East Asian men, showing notable decreases in some subtypes.
125 citations
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May 2007 in “Journal of The American Academy of Dermatology” This study describes the development of the BASP classification system, providing a universal and systematic approach for classifying pattern hair loss in both men and women.
18 citations
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March 2011 in “Journal of The American Academy of Dermatology” Familial factors affect hair loss types in Koreans, with M type in men, L type in women, and paternal factors influencing male hair loss more.
2 citations
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June 2019 in “International Journal of Dermatology” This study found that while a modified BASP classification for pattern hair loss could classify previously unrecognized types, it was less accurate and harder to use than the existing BASP classification.
