New hair regrowth therapies show promise but need more research.
January 2026 in “Cosmetics” New regenerative treatments show promise in improving hair growth for androgenetic alopecia.
May 2026 in “International Journal of Drug Delivery Technology” Nanotechnology improves the effectiveness of medicinal plant compounds in drug delivery.
January 2026 in “International Society of Hair Restoration Surgery” Tattoo machine-assisted drug delivery may improve hair growth in androgenetic alopecia.
14 citations
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March 2022 in “Macromolecular Rapid Communications” Polymer microneedles are a promising, painless alternative to traditional needles for delivering drugs through the skin.
July 2023 in “Journal of Education, Health and Sport” Fractional microneedle radiofrequency is a safe and effective skin treatment with minimal serious side effects.
35 citations
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July 2022 in “Frontiers in Integrative Neuroscience” Formononetin may help protect the brain and treat neurological diseases.
December 2020 in “Nippon Laser Igakkaishi” Photobiomodulation therapy is beneficial in plastic surgery and dermatology.
April 2024 in “Cosmetics” Microneedling improves skin and hair conditions by enhancing treatment absorption and stimulating growth factors.
29 citations
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June 2014 in “Experimental Cell Research” EGF–FGF2 helps mouse stem cells grow and become more like nerve cells.
May 2026 in “Journal of Nanobiotechnology” A new peptide delivered through microneedles can effectively promote hair regrowth.
2 citations
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September 2022 in “Dermatologic therapy” Microneedling helps reduce hair-pulling and promotes hair regrowth in trichotillomania patients.
September 2025 in “Chinese Journal of Plastic and Reconstructive Surgery” Botulinum toxin may help treat hair loss but needs more research for effectiveness and cost concerns.
July 1998 in “Dermatologic Surgery” Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.
109 citations
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November 2011 in “Nature Neuroscience”
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse skin glands need healthy nerves to grow properly during hair growth phases.
2 citations
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September 2025 in “Journal of Clinical Medicine” Regenerative medicine could revolutionize aesthetic surgery, but needs careful validation and ethical use.
January 2026 in “International Journal of Applied Pharmaceutics” Nanoparticle-embedded microneedles improve drug delivery through the skin but face challenges in stability and safety.
30 citations
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November 2024 in “ACS Materials Au” Microneedles are promising for disease monitoring and drug delivery due to their minimal invasiveness and versatility.
Certain combination therapies, like microneedling with minoxidil, are more effective for female-pattern hair loss than other treatments.
September 2025 in “Journal of Zhejiang University (Medical Sciences)” Peripheral nerves are essential for skin wound healing and future treatments could improve by focusing on nerve and blood vessel regeneration.
24 citations
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June 2018 in “Expert Review of Pharmacoeconomics & Outcomes Research” Microneedle technology is beneficial for drug delivery and could make vaccinations cheaper and more accessible.
September 2017 in “Journal of aesthetic nursing” The main treatments for wrinkle reduction are botulinum toxin, dermal fillers, radiofrequency, and ultrasound.
October 2021 in “Research Square (Research Square)” A 532 nm laser helps tendon stem cells grow and become tendon-like by increasing Nr4a1 activity, which may speed up tendon repair.
March 2024 in “Asian journal of medical sciences” Ring block anesthesia is the best method for PRP scalp injections due to low pain and high patient acceptance.
April 2025 in “Materials Today Bio” A new treatment using gold nanoclusters can safely reduce unwanted hair growth.
January 2026 in “Pharmaceutics” New drug delivery systems show promise in effectively treating pathological scars.
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.
22 citations
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August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
Botulinum toxin-A may increase hair growth and reduce hair loss in men with baldness, and injecting near blood vessels can improve pain relief and last longer.