January 2020 in “Archives of urology” Finasteride, a drug used for certain conditions, can cause serious side effects like sexual dysfunction, suicidal thoughts, and increased diabetes risk, and there's a need for more awareness and research about these effects.
January 2017 in “Springer eBooks” Scientists made working hair follicles using stem cells, helping future hair loss treatments.
January 2018 in “International Educational Applied Scientific Research Journal” The Rigenera method improved hair thickness and reduced hair loss in patients.
Keratin gel may help repair damaged nerves.
309 citations
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October 2007 in “Biomaterials” Keratin from human hair helps nerves heal faster.
November 2007 in “Science” Keratin-based hydrogels from human hair help nerve repair better than traditional methods.
36 citations
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July 2019 in “Journal of Materials Science Materials in Medicine” Human hair keratin helps repair nerve damage in rats.
2 citations
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April 2014 in “PubMed” Epidermal neural crest stem cells from hair follicles can help repair nerve injuries.
36 citations
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September 2009 in “Molecular Neurobiology” 
April 2019 in “Journal of Investigative Dermatology” Non-coding RNA boosts retinoic acid production and signaling, aiding regeneration.
September 2025 in “Dietary Supplements and Nutraceuticals” Cerebronal® may help improve certain brain health markers.
39 citations
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September 2007 in “BMC developmental biology” Neuregulin3 affects cell development in the skin and mammary glands.
February 2025 in “Intisari Sains Medis” PDRN from salmon may slow skin aging by improving skin quality and reducing inflammation.
1 citations
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July 2008 in “PubMed” Human hair keratin helps regenerate rat sciatic nerves by transforming Schwann cells and protecting axons.
December 2020 in “Research Square (Research Square)” Neural cell nanovesicles help hair growth by activating key signals.
12 citations
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November 2024 in “Burns & Trauma” Neuroregulation is crucial for skin wound healing and can be targeted to improve recovery.
February 2009 in “Journal of Investigative Dermatology” EGFR is essential for organized skin nerve growth and branching.
13 citations
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June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
15 citations
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May 2003 in “The Laryngoscope” FGF-1 causes spiral ganglion neurites to branch more.
July 2022 in “Biomedicines” 4-Aminopyridine improves skin wound healing and tissue regeneration by increasing cell growth and promoting nerve repair.
189 citations
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May 1999 in “Microscopy Research and Technique” Neurotrophins, especially NGF, are crucial for pain development and management.
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February 2025 in “Nature Communications” A new neural network helps identify key regulators in cell changes, aiding in understanding diseases and finding new treatments.
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
February 2025 in “International Journal of Biological Macromolecules” The hydrogel effectively treats hair loss using light to release nitric oxide.
18 citations
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January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
1 citations
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April 2022 in “Regenerative Therapy” Activating the GDNF-GFRα1-RET signaling pathway could potentially promote skin and limb regeneration in humans and could be used to treat hair loss and promote wound healing.
January 2007 in “The FASEB journal” Human hair keratins help nerve regeneration and support Schwann cell activity.
August 2020 in “Research Square (Research Square)” Neural progenitor cell-derived nanovesicles help hair growth by activating a key signaling pathway.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
57 citations
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November 2011 in “The Journal of Dermatology” Hair follicle stem cells can help repair nerve injuries.