Estrogen and its receptors play a key role in hair growth, with differences between males and females.
January 2003 in “Journal of Clinical Dermatology” Cyclosporin promotes hair growth by boosting cell growth and reducing cell death.
August 2016 in “Journal of Investigative Dermatology” The enzyme CD73 helps control human hair growth and could be targeted to treat hair growth disorders.
8 citations
,
January 2007 in “Hair transplant forum international” Vitamin B12 improves the health and growth of hair micrografts.
2 citations
,
January 1997 in “Mapping” Gambogic Amide may prevent hair greying and promote hair growth by maintaining hair pigmentation.
1 citations
,
July 2021 in “Dermatologic Surgery” Removing the outer layer of skin cells from hair grafts does not change the graft survival rate but may improve how it looks right after surgery.
January 2026 in “Journal of Dermatological Science” Salvianolic acid B promotes hair growth better than minoxidil.
October 2012 in “Journal of Dermatological Science” Erythropoietin can promote hair growth by increasing IGF-1 in hair cells.
17 citations
,
February 2013 in “PLOS ONE” 6-Gingerol, found in ginger, may slow down hair growth and could be used for hair removal.
17 citations
,
May 2010 in “Journal of Dermatological Science” Erythropoietin helps hair grow and could be a potential treatment for hair loss.
23 citations
,
February 2015 in “International Journal of Molecular Sciences” Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.
13 citations
,
December 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicotinamide applied to the scalp can slow down hair growth.
44 citations
,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
November 2025 in “Discover Food” Catechins-rich tea extract may help reduce hair loss and promote hair growth.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
36 citations
,
November 1990 in “The Journal of Dermatology” Dermal papillae enhance hair follicle growth and structure.
39 citations
,
March 2009 in “Archives of Dermatological Research” Apigenin may help promote hair growth and could treat hair loss.
4 citations
,
June 2016 in “Journal of Pharmacopuncture” Cornu cervi pantotrichum pharmacopuncture solution helps mice grow hair by increasing hair follicle cell growth and a growth factor important for hair development.
58 citations
,
December 1992 in “British Journal of Dermatology” Rat hair follicles grow longer in vitro, but certain factors can inhibit this growth.
The new microneedle system improves hair growth in alopecia treatment.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
26 citations
,
December 2020 in “Genes” A combination of IGF-1 and EGF promotes hair growth in Angora rabbits.
25 citations
,
December 2018 in “Journal of Investigative Dermatology” TRPV4 slows hair growth by affecting hair follicle cells.
11 citations
,
November 2023 in “Journal of Advanced Research” Activating ALDH2 can boost hair growth.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
October 2025 in “Journal of Ethnopharmacology” Andrographolide from Andrographis paniculata promotes hair growth and could be a natural treatment for hair loss.
October 2024 in “Scientific Reports” OXTR agonists may promote hair growth and be effective for treating hair loss.
January 2014 in “Italian journal of anatomy and embryology” Platelet Rich Plasma can help human hair grow in a lab setting.
Biotin boosts wool growth and follicle health in sheep.
April 2000 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts hair follicle growth and speeds up hair cycle transition.