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    Did you mean Hair Cortisol?
    Glossary Hair Cortisol

    measurement of stress hormone levels accumulated in hair strands

    Hair cortisol refers to the measurement of cortisol, a stress hormone, that is accumulated in hair strands over time. This method provides a long-term indicator of an individual's stress levels, as opposed to blood or saliva tests which only capture short-term fluctuations. It is particularly useful in research and clinical settings for assessing chronic stress and its potential impacts on health.

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    Research 10 of 1000+

    1. Determinants of hair cortisol and hair cortisone concentrations in adults Psychoneuroendocrinology · 2015 · 157 citations
    2. Hair dyeing, hair washing and hair cortisol concentrations among women from the healthy start study Psychoneuroendocrinology · 2017 · 33 citations
    3. Predicting hair cortisol levels with hair pigmentation genes: a possible hair pigmentation bias Scientific Reports · 2017 · 23 citations
    4. Not the Root of the Problem—Hair Cortisol and Cortisone Do Not Mediate the Effect of Child Maltreatment on Body Mass Index Frontiers in psychiatry · 2020 · 11 citations
    5. Evidence of the moderating role of hair cortisol and hair cortisone in the relationship between work stress and depression symptoms among Chinese fishermen Journal of affective disorders · 2021 · 3 citations
    6. Hair Cortisol: A Biomarker of Chronic Stress in Animals and its Association with Reproduction Animal Reproduction Update · 2023
    7. Hair cortisol/cortisone in combined oral contraceptive users: An exploratory analysis Contraception · 2025
    8. Hair cortisol analysis: An update on methodological considerations and clinical applications Clinical Biochemistry · 2018 · 237 citations
    9. Hair Cortisol in Sheltered Cows and Its Association with Other Welfare Indicators Animals · 2019 · 22 citations
    10. Do follicles matter? Testing the effect of follicles on hair cortisol levels Conservation Physiology · 2020 · 21 citations
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    Community 10 of 1000+

    1. Ray Peat: Testosterone Isn’t the Culprit, Prolactin and Cortisol Drive Hair Loss (2016) Reddit · 23 Oct 2025
    2. Low cortisol it is due the fin Reddit · 19 Jul 2025
    3. I have not seen a single person who claims dutasteride destroyed their hair post a picture of the before/after Reddit · 30 Apr 2024
    4. The ending of alopecia? Corticosterone inhibits GAS6 to govern hair follicle stem-cell quiescence Reddit · 30 Oct 2021
    5. No luck with meds, Check your Cortisol. Reddit · 9 Aug 2024
    6. High Estrogen causing hair loss? Reddit · 27 Aug 2023
    7. 27yo male, with dandruff and losing hair all over Reddit · 14 Apr 2015
    8. Neck tension, and hair loss, I am 100 percent sure that there is a connection Reddit · 14 May 2024
    9. Suddenly developed rash after 3-years Kirkland minoxidil Foam use. Changed ingredients? Reddit · 3 Jun 2024
    10. Stress supplements that do not increase shedding? Reddit · 8 Nov 2025
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    Learn 4 of 61

    1. Hydrocortisone Mild corticosteroid used on the skin and scalp
    2. Hair Fibers cosmetic product that temporarily makes hair appear thicker
    3. Hair Multiplication extract, clone, and reinsert your own hair cells
    4. Hair Transplant Surgery that moves hair follicles from the back of the scalp to thinning areas
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