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.
34 citations
,
December 2009 in “The International Journal of Developmental Biology” Too much thymosin beta4 causes weird teeth and more hair growth in mice.
34 citations
,
August 2002 in “British Journal of Dermatology” ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.
31 citations
,
April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
30 citations
,
October 2015 in “Journal of Ethnopharmacology” Herbal compounds like ricinoleic acid, quercetin-3-O-rutinoside, and hinokiflavone may be safe and effective for treating hair loss.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
19 citations
,
November 2018 in “Nutrients” Annurca apple extract may protect mouse hair from damage by chemotherapy and could help treat hair loss without promoting cancer growth.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
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
,
January 2006 in “Veterinary Dermatology” Topical melatonin and brushing did not affect hair regrowth in Siberian Huskies.
16 citations
,
January 2023 in “Molecular Biomedicine” 3D-printed microneedles can precisely regrow hair in targeted areas.
16 citations
,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.
15 citations
,
October 2017 in “Dermatologic Clinics” New treatments for male hair loss show promise but need more research for safety and effectiveness.
15 citations
,
January 2008 in “Annales de Toxicologie Analytique” Hair test results can be misleading due to contamination, so they shouldn't be used alone to determine drug use.
15 citations
,
March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
14 citations
,
September 2018 in “International Journal of Molecular Sciences” Mackerel-derived fermented fish oil helps hair grow by activating growth pathways and increasing cell proliferation.
13 citations
,
May 2021 in “Plants” The leaf extract of Leea indica may reduce inflammation, dissolve blood clots, and promote hair growth.
11 citations
,
February 2021 in “Biomedicines” Bacteria in our hair can affect its health and growth, and studying these bacteria could help us understand hair diseases better.
11 citations
,
June 2012 in “Acta histochemica” Mice with a Gsdma3 gene mutation have thicker skin and longer hair follicle openings due to increased β-catenin levels.
10 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
10 citations
,
January 2004 in “Dermatologic Surgery” Storing hair follicles in special buffers with added protective substances can increase hair growth and reduce cell death.
9 citations
,
January 2015 in “Fundamental & clinical pharmacology” Cyclosporine A helps hair grow by blocking a process that would otherwise cause hair cells to die.
7 citations
,
June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
7 citations
,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
7 citations
,
January 2012 California Ground Squirrel hair can indicate environmental health by showing element accumulation.
6 citations
,
February 2018 in “PLOS ONE” Insect wax, especially its policosanol content, may help hair regrow by changing hair follicle phases and increasing nutrient supply.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
5 citations
,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
5 citations
,
February 2016 in “Genetic Testing and Molecular Biomarkers” Hair loss is significantly linked to lower levels of certain genes in hair follicles.
3 citations
,
July 2021 in “Aesthetic Plastic Surgery” PHAT may improve hair growth better than PRP alone.