44 citations
,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
42 citations
,
March 2014 in “European Journal of Pharmacology” Ginsenoside F2 from ginseng may increase hair growth better than standard treatments by affecting cell growth signals.
41 citations
,
October 2017 in “International Journal of Women's Dermatology” Most pregnant women experience skin darkening and hair changes, with these effects usually going away after giving birth.
41 citations
,
January 2015 in “Development” Atoh1 expression can create new Merkel cells in the skin.
41 citations
,
September 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
40 citations
,
July 1989 in “Journal of Cell Science” Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
39 citations
,
December 2001 in “JNCI: Journal of the National Cancer Institute” Using a gene therapy with the Sonic Hedgehog gene helps mice regrow hair faster after losing it from chemotherapy.
37 citations
,
December 2019 in “Giornale italiano di dermatologia e venereologia” The Italian guidelines offer advice for diagnosing and treating alopecia areata based on expert opinion and limited clinical trial evidence.
37 citations
,
October 2009 in “Dermatology” Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.
37 citations
,
June 1996 in “Journal of cellular physiology” Retinoic acid, glucocorticoids, and IGF1 increase IGFBP-3 production in human dermal papilla cells, affecting hair growth.
34 citations
,
September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Light therapy can stimulate hair growth and is more effective when started early, but more research is needed on its long-term effects and optimal use.
34 citations
,
May 2001 in “Endocrinology” Mrp3 helps in wound healing and hair growth.
34 citations
,
June 1990 in “British Journal of Dermatology” Etretinate treatment changed hair growth patterns in many patients.
33 citations
,
September 2019 in “Dermatologic Surgery” Using a special stem cell formula on the scalp once a month for six months helped people with hair loss grow more hair.
33 citations
,
September 2012 in “Australasian Journal of Dermatology” Chemotherapy can cause hair changes similar to alopecia areata, which might lead to misdiagnosis.
33 citations
,
January 2006 in “Journal of Dermatological Science” A long-acting Vitamin C derivative helps hair grow by stimulating cells and increasing growth factors.
33 citations
,
September 1990 in “Proceedings of the National Academy of Sciences” The study showed that a specific DNA sequence can control gene expression in hair growth areas of mice.
32 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” 17-β-Estradiol applied to the skin stops hair growth, while ICI 182 780 helps hair grow in mice.
32 citations
,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
30 citations
,
November 2020 in “Journal of Advanced Research” Conditioned medium from keratinocytes can improve hair growth potential in cultured dermal papilla cells.
30 citations
,
February 2017 in “Histochemistry and Cell Biology” TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.
30 citations
,
May 2010 in “British Journal of Dermatology” Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.
29 citations
,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
29 citations
,
March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
28 citations
,
March 2007 in “E-Journal of Chemistry” Herbal formulations with certain herbs can boost hair growth as effectively as minoxidil.
28 citations
,
November 1987 in “Journal of the American Academy of Dermatology” The model successfully grew and differentiated hair follicle cells in the lab.
27 citations
,
September 2015 in “Drug Design Development and Therapy” Collagenase IV is crucial for hair growth by affecting key growth factors.
26 citations
,
July 2021 in “Frontiers in Cell and Developmental Biology” The review suggests that a special cell-derived treatment shows promise for various skin conditions and hair growth but needs more research for confirmation.