159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
31 citations
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April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
76 citations
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April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
76 citations
,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
375 citations
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July 2006 in “Journal of Investigative Dermatology” Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.