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    Did you mean Hair Cortisol Concentration?
    Glossary Hair Cortisol Concentration

    amount of cortisol embedded in hair strands over time

    Hair Cortisol Concentration (HCC) refers to the amount of cortisol, a stress hormone, that is embedded in hair strands over time. Unlike blood or saliva tests that measure cortisol levels at a single point, HCC provides a long-term record of an individual's stress levels, as hair grows approximately 1 cm per month and can reflect cortisol exposure over several months. This makes it a valuable tool for both researchers and clinicians in assessing chronic stress and related health conditions.

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    1. Effects of shampoo and water washing on hair cortisol concentrations Clinica Chimica Acta · 2010 · 122 citations
    2. An Investigation of Hair Cortisol Concentration across Body Sites and within Hair shaft Clinical Medicine Insights Endocrinology and Diabetes · 2010 · 22 citations
    3. Quantifying long-term stress in brown bears with the hair cortisol concentration: a biomarker that may be confounded by rapid changes in response to capture and handling Conservation Physiology · 2014 · 90 citations
    4. Hair cortisol concentrations in mental disorders: A systematic review Physiology & behavior · 2020 · 50 citations
    5. Hair dyeing, hair washing and hair cortisol concentrations among women from the healthy start study Psychoneuroendocrinology · 2017 · 33 citations
    6. HPA axis stress reactivity and hair cortisol concentrations in recently detoxified alcoholics and healthy controls with and without childhood maltreatment Addiction Biology · 2018 · 24 citations
    7. Hair Cortisol Concentrations in Adolescent Girls with Anorexia Nervosa are Lower Compared to Healthy and Psychiatric Controls European Eating Disorders Review · 2016 · 22 citations
    8. Hair Cortisol Concentrations Are Associated with Hair Growth Rate NeuroImmunoModulation · 2016 · 21 citations
    9. Is it getting in the hair? – Cortisol concentrations in native, regrown and segmented hairs of cattle and pigs after repeated ACTH administrations General and comparative endocrinology · 2020 · 19 citations
    10. Longitudinal association between saliva and hair cortisol concentration: A systematic comparison Psychoneuroendocrinology · 2023 · 1 citations
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    Community 4 of 29

    1. Result of my cortisol, prolactin, testosterone, ACTH blood test, Reddit · 2 Nov 2025
    2. Ray Peat: Testosterone Isn’t the Culprit, Prolactin and Cortisol Drive Hair Loss (2016) Reddit · 23 Oct 2025
    3. Low cortisol it is due the fin Reddit · 19 Jul 2025
    4. No luck with meds, Check your Cortisol. Reddit · 9 Aug 2024
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