Hair cortisol levels can effectively indicate long-term hormone activity.
November 2025 in “Journal of Laboratory Medicine” Chronic stress increased after lockdown, especially in young adults and females.
30 citations
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July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
11 citations
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September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
January 2024 in “Institutional Repositories DataBase (IRDB)” The method accurately measures steroid hormones in hair to study hormone dynamics related to hair loss.