February 2026 in “PubMed” PRP-based treatments can increase hair density, but results vary among individuals.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Some hair growth cells remain in partially bald areas of Indian men with hair loss.
7 citations
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March 2002 in “Aesthetic Surgery Journal” In 2002, hair restoration improved by using a different area for grafts and absorbable sutures, leading to less discomfort and better results.
43 citations
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January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
September 2025 in “Journal of the American Academy of Dermatology” January 2022 in “Stem cell biology and regenerative medicine” New hair can grow at wound sites, which could help improve treatments for hair loss and wound healing.
5 citations
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March 2019 in “Experimental dermatology” Activating TLR3 may help produce retinoic acid, important for tissue regeneration.
35 citations
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August 1987 in “In Vitro Cellular & Developmental Biology - Plant” The new device improves human hair follicle cell growth and differentiation.
1 citations
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April 2021 in “Journal of Investigative Dermatology” Activating TRPA1 reduces scarring and promotes tissue regeneration.
July 2024 in “Journal of Investigative Dermatology” A single medium, PRIME AIRLIFT, supports better human hair follicle formation in grafts.
February 2026 in “The European Physical Journal E” Root hair growth mechanics depend on turgor pressure and cell wall properties.
75 citations
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March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
6 citations
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July 2011 in “Journal of Plastic Reconstructive and Aesthetic Surgery” Eyebrow reconstruction using hair follicle grafts was successful in a man with a benign hereditary disorder affecting his eyebrows.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bumps with stem cells might contribute to permanent hair loss by getting disconnected due to scarring.
13 citations
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March 1998 in “Journal of Biomedical Materials Research” Island grafts can help study skin regeneration separately from other healing processes.
3 citations
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April 2016 in “Dermatologic Surgery” A man's forehead and eyebrow were successfully reconstructed with a skin and hair graft that matched his other eyebrow, without needing frequent trimming.
April 2020 in “The Egyptian Journal of Plastic and Reconstructive Surgery” The method effectively restores symmetrical and natural-looking hair in burn-affected areas.
1 citations
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January 2009 in “Journal of Dermatology and Venereology” Cells from the upper hair follicle grow more actively, suggesting stem cells may be located there.
January 2026 in “International Society of Hair Restoration Surgery” A multimodal approach successfully restored a burn victim's scalp hair over 10 years.
2 citations
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August 2023 in “Experimental Dermatology” HEY2+ cells help regenerate skin during wound healing.
Hedgehog signaling can create new hair follicles but may also cause tumors.
19 citations
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March 2017 in “PLoS ONE” PSU are better than THF at regenerating skin layers in lab models.
April 2025 in “Journal of Bioscience and Bioengineering” Centrifugal forces can help prepare hair follicle germs for hair regeneration.
29 citations
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January 2016 in “International Journal of Dermatology” Longer hair loss leads to more severe CCCA; early treatment and avoiding damaging hairstyles help regrowth.
25 citations
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October 1975 in “Journal of Cutaneous Pathology” Hair growth in alopecia areata is hindered due to impaired cell activity in the surrounding tissue.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”