Hair Cortisol Concentrations Associate With Hair Growth Rate

    September 2016 in “ Brain Behavior and Immunity
    L. Xiang, Imran Sunesara, Kristina E. Rehm, Gailen D. Marshall
    Studysummary Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
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