77 citations
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March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
26 citations
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November 1968 in “The Lancet” Malnourished Andean Indian children had abnormal hair roots compared to healthy children.
5 citations
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April 2019 in “Plastic and reconstructive surgery. Global open” Fractional lasers could help hair regrowth in androgenic alopecia, but more research is needed to confirm their effectiveness and safety.
46 citations
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March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
23 citations
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January 2016 in “Theranostics” Minoxidil-coated microbubbles with sonication effectively enhance hair growth.
15 citations
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February 2021 in “Scientific Reports” A specific group of stem cells can help regenerate hair continuously.
7 citations
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December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
February 2024 in “Journal of applied pharmaceutical research” Herbal hair oils with Coconut, Curry leaves, Amla, Fenugreek, and Onion promote hair growth and are safe.
June 1999 in “Proceedings of SPIE” The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.
5 citations
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May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
242 citations
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February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
54 citations
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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.
50 citations
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May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
19 citations
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May 2016 in “Clinical, cosmetic and investigational dermatology” FGF-2&D/P nanoparticles can help treat hair loss.
17 citations
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October 2015 in “Medicine and Pharmacy Reports” Animal models are crucial for learning about hair loss and finding treatments.
14 citations
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August 2013 in “Facial Plastic Surgery Clinics of North America” Some nonsurgical hair loss treatments are effective, especially if started early.
10 citations
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June 2019 in “International Journal of Cosmetic Science” Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
January 2019 in “Springer eBooks” PRP may help with hair loss and improve hair quality with few side effects, but more research is needed.
12 citations
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October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
November 2025 in “Archives of Dermatological Research” Limelight (CB-EVs) safely promotes hair growth.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
25 citations
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September 2018 in “Scientific Reports” Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.
13 citations
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December 2017 in “BMC Complementary and Alternative Medicine” The Asian herbal mix with Houttuynia cordata, Perilla frutescens, and green tea helped grow hair in mice.
1 citations
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November 2008 Yonnyuniksoogobon-dan taken orally promotes hair growth by affecting growth factors in hair roots.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
159 citations
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October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
159 citations
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September 2001 in “European Journal of Cancer Care” Chemotherapy-induced hair loss significantly affects patients' well-being, and nurses are key in helping them cope, but more research is needed to find effective treatments.
109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
86 citations
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July 2020 in “International Journal of Molecular Sciences” Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.