41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
13 citations,
December 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicotinamide applied to the scalp can slow down hair growth.
61 citations,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
28 citations,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
6 citations,
February 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” A new model using mice with human hair follicles helps better understand hair loss from chemotherapy.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
16 citations,
January 2018 in “Biochemical and Biophysical Research Communications” Researchers created five new human scalp cell lines that could be useful for hair growth and loss research.
13 citations,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” ILC1-like cells can cause alopecia areata by attacking hair follicles.
92 citations,
September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
17 citations,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
8 citations,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
71 citations,
October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
73 citations,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
48 citations,
June 2013 in “Journal of Dermatological Science” Valproic acid may help hair grow and could be a safe treatment for hair loss.
30 citations,
October 2016 in “Current research in translational medicine” Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.
130 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).
21 citations,
November 2017 in “Scientific Reports” Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.
6 citations,
June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
ILC1-like cells can independently cause alopecia areata by affecting hair follicles.
The natural compound VB-1, found in a Chinese herb, can promote hair growth by boosting cell activity in human skin cells.
14 citations,
December 2021 in “International journal of molecular sciences” Growth hormone levels affect hair growth and loss, with too much causing excess hair and too little leading to hair loss.
41 citations,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
25 citations,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
218 citations,
January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
46 citations,
May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
November 2022 in “Journal of Investigative Dermatology” Cell-based therapy using specific immune cells may help treat alopecia areata by promoting hair regrowth.
53 citations,
October 2012 in “The FASEB Journal” Bimatoprost, a glaucoma medication, may also help treat hair loss.