16 citations
,
  October 2007   in “PubMed”    Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.  
      12 citations
,
  February 2019   in “Skin research and technology”
           12 citations
,
  February 2019   in “Skin research and technology”    White hair has less lipid content and absorbs water differently than brown hair.  
               12 citations
,
  January 2014   in “Dermatology online journal”    White hair regrowth in alopecia areata may be more common than thought.  
      7 citations
,
  May 2010   in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”
           7 citations
,
  May 2010   in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”    White hair follicles in vitiligo have fewer and less functional melanocytes.  
      1 citations
,
  March 2017   in “Archives of Plastic Surgery”
           1 citations
,
  March 2017   in “Archives of Plastic Surgery”    A new method using gentian violet dye makes it easier to see and work with white hair in hair transplant surgeries.