March 2021 in “CRC Press eBooks” Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.
January 2018 in “Hair therapy & transplantation” Hair health can indicate mental and general health.
January 2015 in “Springer eBooks” The pull test and wash test are cheap, easy methods to diagnose hair loss.
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December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
July 2023 in “Dermatology Practical & Conceptual” A positive anagen pull test can help detect active Lichen Planopilaris.