12 citations
,
May 2002 in “PubMed” Hair growth is regulated by a combination of hormones, blood vessels, and nerve signals.
January 2016 in “프로그램북(구 초록집)” Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.
36 citations
,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
1 citations
,
January 2025 in “Burns & Trauma” Targeting Midkine can help reduce pain and itching in keloids.
June 2025 in “Universal library of medical and health sciences.” External factors like pollution, stress, and poor nutrition can negatively affect hair growth.