194 citations
,
  March 2003   in “American Journal of Pathology”    Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.  
     
           44 citations
,
  June 2006   in “Biological & Pharmaceutical Bulletin”    Androgen hormones cause hair follicle scarring in hair loss, and finasteride helps reduce it.  
     
           40 citations
,
  January 2013   in “International journal of trichology”    Perifollicular erythema can indicate active frontal fibrosing alopecia.  
     
           38 citations
,
  July 2021   in “ACS Nano”    Microneedles help treat hair loss by improving hair surroundings and promoting growth.  
     
           33 citations
,
  July 1992   in “Journal of Investigative Dermatology”    Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.