2 citations
,
  October 1951   in “Journal of gerontology”    Patients with hair pigment loss and hair loss may have altered pantothenic acid metabolism.  
     
           10 citations
,
  May 1986   in “Experientia”    Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.  
               11 citations
,
  October 1941   in “Experimental Biology and Medicine”    PABA helps prevent gray hair and hair loss in mice.  
     
           January 2024   in “GeroScience”    Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.  
     
           28 citations
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  December 2019   in “Skin appendage disorders”    Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.