29 citations
,
  May 2020   in “npj Regenerative Medicine”    Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.  
     
           155 citations
,
  May 2016   in “Nature communications”    Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.  
     
           13 citations
,
  August 2020   in “Frontiers in Immunology”    Gamma delta T cells in the skin help with healing and defense but can also cause autoimmune issues, and more research is needed to understand how they are activated.  
     
           March 2021   in “bioRxiv (Cold Spring Harbor Laboratory)”    A specific immune response helps control mite populations on the skin, maintaining healthy hair follicles.  
     
           24 citations
,
  July 2019   in “Cochrane library”    Some treatments like methotrexate with prednisone might help juvenile morphea, but more research is needed to confirm.