February 2019 in “Trace elements and electrolytes” Women with chronic hair loss had lower levels of zinc, copper, and ferritin than healthy women.
54 citations
,
June 2001 in “The Indian Journal of Pediatrics” Lower hair zinc levels may be linked to Neural Tube Defects.
28 citations
,
February 2008 in “PubMed” Low iron levels are linked to more hair loss in non-menopausal women.
19 citations
,
March 2021 in “Obesity surgery” Many people experience hair loss after weight loss surgery, especially younger women, and it's linked to lower levels of zinc, folic acid, and ferritin.
13 citations
,
August 2007 in “Journal of Investigative Dermatology” Mouse hair can regrow in a special lab setup without serum.
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.
7 citations
,
January 2010 in “Pharmacognosy Research” The tobacco leaf extract may help hair grow and could treat hair loss.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
1 citations
,
January 2021 in “Journal of Dhaka Medical College” Lower iron levels are linked to longer hair loss.
January 2026 in “International Journal of Applied Pharmaceutics” A 10% MSC secretome hair tonic best promotes hair growth in alopecia.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
April 2019 in “Progress in Crystal Growth and Characterization of Materials” Hair grows like a crystal at a solid-liquid interface without cell division.
April 2010 in “DOAJ (DOAJ: Directory of Open Access Journals)” Improving iron levels can help reduce hair loss in females.
January 2019 in “Menoufia Medical Journal” Lower vitamin D levels may contribute to female hair loss.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
207 citations
,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
120 citations
,
October 2007 in “Clinical Interventions in Aging” Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.
78 citations
,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
58 citations
,
December 1992 in “British Journal of Dermatology” Rat hair follicles grow longer in vitro, but certain factors can inhibit this growth.
45 citations
,
March 2010 in “Journal der Deutschen Dermatologischen Gesellschaft” A systematic approach is crucial for managing hair loss in women.
37 citations
,
June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
37 citations
,
January 1993 in “Yakugaku zasshi” Ginkgo biloba leaf extract may help hair regrowth and improve heart health.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
25 citations
,
November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
22 citations
,
June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
22 citations
,
September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
22 citations
,
April 2006 in “Journal of The American Academy of Dermatology” More research is needed to determine if iron deficiency causes hair loss.
21 citations
,
October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
17 citations
,
January 1997 in “Cell and Tissue Research” Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.
17 citations
,
October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.