research Decision Letter: Hair Follicle Epidermal Stem Cells Define a Niche for Tactile Sensation August 2018 Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
research Cephalalgic Alopecia Areata: A Case Study 26 citations, April 2006 in “Cephalalgia” Botulinum A toxin injections reduced pain and promoted hair regrowth in a woman with a rare form of alopecia areata.