43 citations
,
  October 2005   in “Molecular and cellular endocrinology”    Hair melanocytes help the skin respond to stress and regulate hair pigmentation.  
      42 citations
,
  March 2008   in “Molecular and Cellular Endocrinology”
           42 citations
,
  March 2008   in “Molecular and Cellular Endocrinology”    Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.  
      98 citations
,
  July 2014   in “Trends in Molecular Medicine”
           98 citations
,
  July 2014   in “Trends in Molecular Medicine”    Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.  
      75 citations
,
  January 2009   in “International journal of trichology”
           75 citations
,
  January 2009   in “International journal of trichology”    Hair grays due to oxidative stress and fewer functioning melanocytes.  
      109 citations
,
  October 2007   in “Journal of pineal research”
           109 citations
,
  October 2007   in “Journal of pineal research”    Melatonin helps regulate hair growth and protects the hair follicle from stress.