59 citations
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  August 2003   in “Phytotherapy Research”    Ginseng, especially red ginseng, helps hair grow by increasing blood flow and energy to hair roots.  
     
           57 citations
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  November 1998   in “Wound Repair and Regeneration”    Hair papilla cells can create and regenerate hair bulbs under the right conditions.  
               949 citations
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  January 2001   in “Cell”    Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.  
     
           6 citations
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  July 2021   in “The anatomical record”    Different whale and dolphin species have unique whisker follicle structures, suggesting they might use their whiskers in various ways.  
     
           34 citations
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  December 2000   in “The journal of investigative dermatology/Journal of investigative dermatology”    Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.