35 citations
,
March 2014 in “British Journal of Dermatology” Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.
31 citations
,
January 2014 in “International Journal of Trichology” The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
15 citations
,
February 2000 in “Journal of Cutaneous Pathology” The arrector pili muscle attaches to the extracellular matrix using α5β1 integrin and connects muscle cells using α1β1 integrin.