New hair regrowth therapies show promise but need more research.
14 citations
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July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
January 2013 in “프로그램북(구 초록집)” A 0.5 mm microneedle roller best promotes hair growth.
21 citations
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May 2005 in “Journal of the American Veterinary Medical Association” The exact cause of growth hormone-responsive alopecia in dogs is unclear.
November 2025 in “Aurum Revista Multidisciplinar” Microneedling with growth factors effectively increases hair density in androgenetic alopecia.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Freezing gamma-irradiated amniotic fluid may help hair growth and speed up the growth phase.
24 citations
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May 2017 in “Annals of botany” Pathogenic Pseudomonas syringae bacteria stimulate early root hair growth in Arabidopsis plants.
25 citations
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August 1992 in “In vitro cellular & developmental biology” The new system can grow hair in the lab and test hair growth treatments.
1 citations
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April 1986 in “The Journal of Dermatology” Plant worm extract speeds up hair growth in mice without side effects.
11 citations
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January 2012 in “PubMed” Bimatoprost can help grow eyebrow hair.
January 2022 in “Springer eBooks” Fibroblast growth factors are crucial for hair follicle development and regeneration.
5 citations
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January 1989 Testosterone and dihydrotestosterone slow hair cell growth, while estradiol has no effect.
April 2023 in “Journal of Investigative Dermatology” Transplanted stem cells from hair follicles significantly boosted hair growth and normalized follicles in certain mice.
November 2025 in “Journal of Microbiology and Biotechnology” Pea sprout extract may help hair regrow by reducing stress and inflammation.
September 2008 in “Kitasato medical journal”
January 2024 in “Advanced Science” New microspheres help heal skin wounds and regrow hair without scarring.
147 citations
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April 1997 in “Oncogene” Overexpressing IGF-1 in mice leads to skin abnormalities and tumors.
May 2019 in “Case medical research” 86 citations
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February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
10 citations
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October 2000 in “PubMed” E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
October 2001 in “Science news” Understanding hair growth and loss is complex, involving genetic and molecular factors.
19 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
42 citations
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March 2014 in “European Journal of Pharmacology” Ginsenoside F2 from ginseng may increase hair growth better than standard treatments by affecting cell growth signals.
April 2018 in “Journal of Investigative Dermatology” Fgf20 is important for the development and regulation of the cells that form the base of hair follicles.
5 citations
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September 2023 in “Pediatric Research” 1 citations
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September 2015 Gefitinib treatment led to unexpected hair growth in two lung cancer patients.
3 citations
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August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
January 2016 in “Journal of Cosmetics, Dermatological Sciences and Applications” A100 gel may increase hair growth without side effects, but more research is needed.
229 citations
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May 2006 in “Journal of Experimental Botany” Reactive oxygen species are essential for plant root hair growth.
1 citations
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April 2023 in “Biomaterials advances” Gellan gum hydrogels help recreate the environment needed for hair growth cell function.