 22 citations
,
  February 2008   in “Journal of Dermatological Science”
           22 citations
,
  February 2008   in “Journal of Dermatological Science”    EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.  
      31 citations
,
  April 2007   in “Experimental Dermatology”
           31 citations
,
  April 2007   in “Experimental Dermatology”    Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.  
      6 citations
,
  October 1997   in “CNS Drugs”
           6 citations
,
  October 1997   in “CNS Drugs”    Psychotropic drugs can cause hair loss or excessive hair growth.  
               16 citations
,
  August 2012   in “The journal of investigative dermatology/Journal of investigative dermatology”    MED1 is essential for normal hair growth and maintaining hair follicle stem cells.  
               73 citations
,
  November 2000   in “Proceedings of the National Academy of Sciences of the United States of America”    There are two ways to start hair growth: one needs Stat3 and the other does not, but both need PI3K activation.