10 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Deeper microneedling boosts hair growth, with 0.6mm needles and minoxidil being most effective.
December 2023 in “Veterinary dermatology” Longer 3 mm needles were most effective for dog hair regrowth, but hair loss often returned and some dogs felt itchy.
April 2024 in “Dermatologic surgery” Microneedling at a depth of 0.5 mm is the most effective single treatment for hair loss among the tested depths.
September 2025 in “PubMed” Combining microneedling with drugs and stem cells shows promise for improving hair growth in androgenetic alopecia.
2 citations
,
September 2022 in “Dermatologic therapy” Microneedling helps reduce hair-pulling and promotes hair regrowth in trichotillomania patients.
53 citations
,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” Microneedling combined with triamcinolone can safely stimulate faster hair regrowth in people with Alopecia Areata.
2 citations
,
August 2011 in “Dermatologic Surgery” Small micropunches for hair transplants can increase density but may cause more bleeding and longer healing.
June 2020 in “Applied sciences” A new semi-automatic hair implanter could make hair transplants easier, more successful, and more accessible.
Researchers developed a new device that improves non-incision hair transplant efficiency.
4 citations
,
May 2019 in “Journal of Cosmetic Dermatology” Using a smaller syringe causes less pain when giving an injection.
132 citations
,
October 1995 in “Journal of the American Academy of Dermatology” Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.
11 citations
,
April 1999 in “Dermatologic Clinics” Different hair transplant methods vary in time and cost, but the best results depend on hairline design and hair qualities, not just the technique.
58 citations
,
March 1985 in “Journal of The American Academy of Dermatology” The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.
February 2026 in “Journal of Drugs in Dermatology” Dutasteride mesotherapy for hair loss can cause lasting bald patches.
47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
July 2024 in “Scholars Journal of Medical Case Reports” Combining low-level laser therapy and exosome therapy promotes hair growth.
April 2024 in “arXiv (Cornell University)” STITCH improves suture accuracy and efficiency, especially with human help.
Microneedling may improve neck scars, but more research is needed.
11 citations
,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
November 2023 in “Scientific reports” The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
12 citations
,
June 2001 in “Bioorganic & Medicinal Chemistry” Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
2 citations
,
March 2024 in “Pharmaceutics” The placebo microneedle stamp didn't penetrate skin and caused less pain, but blinding was only effective for those with low skin sensitivity.
2 citations
,
December 2021 in “Pharmaceutics” Finasteride-loaded proniosomes effectively promote hair growth in mice.
September 2025 in “Biological Procedures Online” The improved surgical method increases success and reduces fetal loss in fetal mouse models for scarless skin healing.
May 2023 in “Journal of Cosmetic Dermatology” Using platelet-rich plasma, basic fibroblast growth factor, and minoxidil together significantly increases hair count and growth rate in people with hair loss.
11 citations
,
November 2023 in “Skin Research and Technology” A 2 mm needle is effective and precise for skin injections.
186 citations
,
December 2011 in “Molecules” Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
16 citations
,
November 2018 in “The journal of pain/Journal of pain” 14,15-EET may help reduce poststroke pain by affecting certain brain proteins.