February 2025 in “Chemico-Biological Interactions” 5-Fluorouracil causes hair loss by blocking signals needed for hair growth.
6 citations
,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.
260 citations
,
January 2020 in “Nature” Stress can cause hair to turn gray by depleting stem cells.
November 2025 in “Advanced Science” The treatment using a special hydrogel shows promise for promoting hair growth.
October 2023 in “Current Issues in Molecular Biology” The YH complex, made from Astragalus membranaceus and Cinnamomum cassia, may help treat hair loss by promoting hair growth and follicle development.
4 citations
,
July 2022 in “Frontiers in Cell and Developmental Biology” The document concludes that understanding adult stem cells and their environments can help improve skin regeneration in the future.
36 citations
,
April 2018 in “Journal of Investigative Dermatology” Macrophages help hair growth after injury through CX3CR1 and TGF-β1.
61 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.
November 2008 in “Medical & surgical dermatology” A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.
29 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.
1 citations
,
June 2024 in “Journal of Investigative Dermatology” Macrophages are crucial for hair regrowth in contact hypersensitivity.
65 citations
,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
49 citations
,
July 2000 in “Journal of Histochemistry & Cytochemistry” POMC-derived peptides are important for skin functions like immune response and stress management.
4 citations
,
June 2025 in “Cell Reports” Clonally expanded CD8+ T cells cause alopecia areata.
January 2026 in “Industrial Crops and Products” Ginsenoside Rf from Panax ginseng promotes hair growth and could be a natural alternative for treating hair loss.
130 citations
,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
6 citations
,
August 2024 in “Experimental Dermatology” Irisin can promote hair growth by activating a specific signaling pathway.
January 2022 in “Social Science Research Network” Pyruvate Kinase M2 helps hair grow by linking energy production and a key hair growth pathway.
178 citations
,
April 2011 in “Journal of Clinical Investigation” Basal cell carcinomas in mice can start from hair follicle stem cells and other skin cell types, depending on signaling levels.
August 2025 in “Regenerative Therapy” Exosomes from platelet-rich plasma can help regrow hair by reducing oxidative stress.
April 2017 in “Journal of Investigative Dermatology” Sirolimus and propranolol may reduce abnormal cell growth and improve lymphatic malformations in children.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
19 citations
,
July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.
3 citations
,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
43 citations
,
June 2012 in “Lasers in Medical Science” Low-level laser treatment helped rats regrow hair faster after chemotherapy.
27 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found new genes involved in hair growth, which could help develop new hair treatments.
8 citations
,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
January 2024 in “GeroScience” Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.
46 citations
,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.