22 citations,
August 2009 in “Evidence-based Complementary and Alternative Medicine” The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
314 citations,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
98 citations,
December 2003 in “The FASEB Journal” Thymosin β4 promotes hair growth by activating stem cells in hair follicles.
78 citations,
November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
46 citations,
January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
42 citations,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
41 citations,
November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
41 citations,
June 2013 in “PLOS ONE” Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.
39 citations,
January 2015 in “International journal for parasitology/International Journal for Parasitology” Epidermal keratinocytes start wound healing and inflammation after schistosome infection.
29 citations,
January 2016 in “Annals of dermatology/Annals of Dermatology” Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.
19 citations,
December 1990 in “Journal of Histochemistry & Cytochemistry” Foreskin keratinocytes and SVK14 cells express certain cytochrome P450 enzymes, unlike hair follicle keratinocytes.
15 citations,
July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
13 citations,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
7 citations,
March 2020 in “PloS one” α-parvin is necessary for skin and hair growth and for the correct orientation of skin cells.
6 citations,
December 2019 in “BMC Complementary and Alternative Medicine” Alcohol extract from Vernonia anthelmintica seeds may help treat stress-related hair loss.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Scarred skin in lichen planopilaris loses immune cells due to a decrease in a specific protein in skin cells.
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.
209 citations,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
198 citations,
June 2013 in “Molecular psychiatry” Schizophrenia patients' stem cells show abnormal neuron development and mitochondrial issues.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
109 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
103 citations,
November 2014 in “Journal of Cell Biology” MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
81 citations,
February 2014 in “EMBO molecular medicine” Activating Nrf2 in skin cells causes skin disease similar to chloracne in mice.
81 citations,
September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
62 citations,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
52 citations,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.