60 citations,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
59 citations,
September 2007 in “Biochemical and Biophysical Research Communications” The TRPV3 gene mutation affects hair growth by keeping mice in the growth phase longer, which could help treat hair loss.
59 citations,
May 2014 in “Expert Opinion on Therapeutic Targets” The document concludes that targeting 5α-reductase, the androgen receptor, and hair growth genes, along with using compounds with anti-androgenic properties, could lead to more effective hair loss treatments.
58 citations,
March 2019 in “Experimental Dermatology” Exosomes from human skin cells can stimulate hair growth and could potentially be used for treating hair loss.
56 citations,
September 2013 in “Journal of Biochemistry and Molecular Biology” Androgens increase a growth factor in hair cells by creating reactive oxygen species, and antioxidants might help treat hair loss.
55 citations,
September 2017 in “Journal of Cosmetic Dermatology” Platelet-rich plasma, taken from a person's own blood, can help rejuvenate skin, stimulate hair growth, and treat hair loss, but more research is needed to confirm its safety and effectiveness.
55 citations,
January 2016 in “Annals of Dermatology” Microneedle stimulation can increase hair growth in mice.
55 citations,
March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
54 citations,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
54 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.
54 citations,
July 1994 in “Journal of Dermatological Science” 
53 citations,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
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.
51 citations,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
51 citations,
December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
51 citations,
October 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
48 citations,
June 2013 in “Journal of Dermatological Science” Valproic acid may help hair grow and could be a safe treatment for hair loss.
48 citations,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
48 citations,
September 1993 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment started hair growth in goats and affected their hormone levels.
46 citations,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
46 citations,
August 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Phosphatidic acid may help hair grow by affecting cell growth pathways.
46 citations,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
45 citations,
September 2012 in “Life Sciences” Aconiti Ciliare Tuber extract may help hair grow by activating a specific cell signaling pathway.
45 citations,
April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.
44 citations,
March 1947 in “Endocrinology” Thiourea compounds affect hair growth and pigmentation in black rats.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
44 citations,
December 1991 in “Annals of the New York Academy of Sciences” EGF and FGF help hair growth by affecting cell differentiation and fiber growth.
42 citations,
March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
42 citations,
February 2018 in “International Journal of Molecular Sciences” Minoxidil boosts hair growth by triggering growth factor release from specific stem cells.
42 citations,
September 2015 in “Gene” FGF5s can block the effects of FGF5, which may help control hair growth in cashmere goats.