43 citations
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  October 2005   in “Molecular and cellular endocrinology”    Hair melanocytes help the skin respond to stress and regulate hair pigmentation.  
      56 citations
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  November 2010   in “Pigment Cell & Melanoma Research”
           56 citations
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  November 2010   in “Pigment Cell & Melanoma Research”    Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.  
      9 citations
,
  January 2019   in “Postepy Dermatologii I Alergologii”
           9 citations
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  January 2019   in “Postepy Dermatologii I Alergologii”    The skin acts like an endocrine organ, making hormones that affect skin diseases and respond to stress.  
               43 citations
,
  May 1999   in “Journal of Biological Chemistry”    Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.  
      75 citations
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  January 2009   in “International journal of trichology”
           75 citations
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  January 2009   in “International journal of trichology”    Hair grays due to oxidative stress and fewer functioning melanocytes.