136 citations
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February 2017 in “International Journal of Molecular Sciences” PRP treatment improves hair growth, and the device used can affect results, with some being more effective.
101 citations
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January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
62 citations
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July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
55 citations
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March 2009 in “Journal of The American Academy of Dermatology” Topical latanoprost and bimatoprost eye solutions don't help eyelash growth in people with alopecia areata.
40 citations
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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.
36 citations
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January 1998 in “Journal of Dermatological Treatment” The questionnaire effectively measures men's perceived hair growth and can distinguish between different treatments and dosages.
30 citations
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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
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August 2017 in “Skin appendage disorders” IGF-1 may affect hair growth and loss, but more research is needed to confirm effective and safe treatments.
12 citations
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October 2017 in “Journal of Cosmetic Dermatology” Combining plasma rich in growth factors with hair transplant surgery may lead to faster recovery and better outcomes for hair loss treatment.
11 citations
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November 2015 in “Skin Research and Technology” Women's hair grows faster and thicker than men's, but hair growth slows for both genders with pattern hair loss.
10 citations
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September 2020 in “Archives of Dermatological Research” Both methods improve hair density and thickness; double-spin may be more effective.
3 citations
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January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
3 citations
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December 2019 in “Journal of Cosmetic and Laser Therapy” PRGF treatments increased hair number and thickness in people with hair loss, with more injections leading to better results.
3 citations
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June 2006 in “Expert Review of Dermatology” The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.
1 citations
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April 2009 in “The Proceedings of the International Plant Nutrition Colloquium XVI” Certain genes may promote longer root hairs in plants when phosphorus is low.
November 2025 in “International Journal of Innovative Research in Technology” Hormones significantly affect hair growth and loss, requiring personalized treatment.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” HDAC inhibitors, like Vorinostat and Entinostat, can help regrow hair in alopecia areata.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
June 1972 in “Archives of internal medicine” Androgens play a key role in hair growth.
521 citations
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January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
200 citations
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November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
190 citations
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October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
157 citations
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April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
108 citations
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July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
70 citations
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April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
57 citations
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June 2003 in “American Journal of Physiology-cell Physiology” Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.
47 citations
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May 1995 in “Journal of Investigative Dermatology” Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.
41 citations
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July 2002 in “Clinical and Experimental Dermatology” Effective hair loss assessment requires a mix of precise measurement methods.
40 citations
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January 2016 in “PLoS ONE” Shorter daylight increases hair growth in Cashmere goats.