80 citations
,
  January 2011   in “Clinical Chemistry and Laboratory Medicine (CCLM)”    Hair cortisol levels can reflect salivary cortisol levels in humans.  
               2 citations
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  June 2021   in “Medicine”    High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.  
               August 2021   in “Asian Journal of Pharmaceutical and Clinical Research”    Plant extracts in shampoo improved hair thickness and density in men with hair loss.  
      
    The case shows the difficulty in diagnosing certain conditions when standard tests are negative.  
      42 citations
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  November 2019   in “Frontiers in Endocrinology”
           42 citations
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  November 2019   in “Frontiers in Endocrinology”    The document suggests creating a validated score to diagnose Cushing's Syndrome and considers plasma steroid profiling as a simpler diagnostic method.