October 2022 in “Linköping University medical dissertations” The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
25 citations
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October 1993 in “American Journal of Physical Anthropology” Lower DHT levels lead to more body hair growth.
32 citations
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May 1987 in “The Journal of Clinical Endocrinology & Metabolism” Salivary testosterone is a better measure for hirsutism than serum testosterone.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
February 2019 in “Psychoneuroendocrinology” Hair samples can reliably show average long-term hormone levels in young women.