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    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. 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
    2. Hair cortisol concentrations in mental disorders: A systematic review Physiology & behavior · 2020 · 50 citations
    3. Hair dyeing, hair washing and hair cortisol concentrations among women from the healthy start study Psychoneuroendocrinology · 2017 · 33 citations
    4. Hair cortisol concentration and glycated hemoglobin in African American adults Psychoneuroendocrinology · 2016 · 30 citations
    5. Hair Cortisol Concentration in Healthy Children and Adolescents Is Related to Puberty, Age, Gender, and Body Mass Index Hormone Research in Paediatrics · 2019 · 24 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. Comparison of methanol and isopropanol as wash solvents for determination of hair cortisol concentration in grizzly bears and polar bears MethodsX · 2017 · 21 citations
    9. Hair Cortisol Concentrations Are Associated with Hair Growth Rate NeuroImmunoModulation · 2016 · 21 citations
    10. 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
    11. Temporary Relocation during Rest Periods: Relocation Stress and Other Factors Influence Hair Cortisol Concentrations in Horses Animals · 2020 · 11 citations
    12. Relationship of Hair Cortisol Concentration With Perceived and Somatic Stress Indices: Cross-Sectional Pilot Study JMIR Formative Research · 2025 · 4 citations
    13. Longitudinal association between saliva and hair cortisol concentration: A systematic comparison Psychoneuroendocrinology · 2023 · 1 citations
    14. Abstract # 1697 Hair cortisol concentrations associate with hair growth rate Brain Behavior and Immunity · 2016 · 1 citations
    15. Curvilinear association between loneliness and hair cortisol concentrations in community-dwelling older adults at elevated cardiovascular risk Comprehensive Psychoneuroendocrinology · 2026
    16. Does hair cortisol concentration reflect measurable regulatory biology of the HPA axis in healthy humans? Psychoneuroendocrinology · 2026
    17. Methodological Considerations for Hair Cortisol Analysis: Effects of Resuspension Solution, Hair Weight, Extraction Duration, and Degree of Hair Shredding on Hair Cortisol Concentrations Open Science Framework · 2026
    18. Generalized anxiety disorder symptoms and daily social behavior predict hair cortisol concentration Anxiety Stress & Coping · 2025
    19. Coat color and other factors influencing hair cortisol concentration in domestic cats Journal of Veterinary Diagnostic Investigation · 2025
    20. Using machine learning to identify predictors of maternal and infant hair cortisol concentration before and during the COVID-19 pandemic OSF Preprints (OSF Preprints) · 2025
    21. Open-label placebos reduce hair cortisol concentrations and psychological distress - a randomized controlled trial Scientific Reports · 2026
    22. The Effects of the Chemical Relaxer Lye on Hair Cortisol Concentrations Psychoneuroendocrinology · 2026
    23. Developmental trajectory of hair cortisol concentrations across childhood Neuroscience Applied · 2026
    24. Parity-related variation in cortisol concentrations in hair during pregnancy and in the postpartum period: a prospective cohort study Authorea (Authorea) · 2020
    25. Are psychosocial factors and menopause symptoms related to hair cortisol concentrations among midlife Latinas? Results from the Menopausia, Salud, Corazón pilot study Comprehensive Psychoneuroendocrinology · 2026
    26. Correlation Between Mare And Neonatal Foal Hair Cortisol Concentrations The Knowledge Bank (The Ohio State University) · 2026
    27. Hair cortisol concentrations in medical nurses during the COVID-19 Psychoneuroendocrinology · 2021
    28. An evaluation of distal hair cortisol concentrations collected at delivery 2018
    29. Hair Cortisol Concentrations in High- and Low-Stress Mother-Daughter Dyads 2015
    30. Effects of shampoo and water washing on hair cortisol concentrations Clinica Chimica Acta · 2010 · 122 citations