13 citations
,
December 2021 in “Wound repair and regeneration” Photobiomodulation helps hair regrow in injured skin by aiding cell movement and secretion.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
March 2020 in “Journal of Laser Applications” Photobiomodulation therapy significantly increases hair density and growth for androgenic alopecia, but more research is needed to confirm safety.
2 citations
,
October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
12 citations
,
August 2021 in “Biomedical Photonics” Photobiomodulation therapy reduces pain and stress after septoplasty.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
36 citations
,
August 2023 in “Journal of Investigative Dermatology” Understanding the hair growth cycle in mice is crucial for accurate research, as it affects study results and requires careful timing and methods.
January 2026 in “Dermatologic Therapy” Photobiomodulation therapy effectively promotes hair regrowth and improves quality of life in alopecia areata without side effects.
65 citations
,
March 2016 in “Lasers in Medical Science” Most low-level light therapy studies did not accurately report how light was measured, affecting treatment reliability.
15 citations
,
October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
1 citations
,
January 2020 in “Journal of Biosciences and Medicines” Red and black pop bean extracts protect against UV radiation and promote hair growth.
77 citations
,
January 1980 in “Carcinogenesis” TPA is about 50 times more effective at promoting tumors than MZ.
June 2023 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Phototherapy is a safe and effective treatment for hair loss, but choosing the right power level is important.
2 citations
,
May 2020 in “Journal of visualized experiments” Controlled light treatment in mouse skin speeds up healing and hair growth.
May 1966 in “Zhurnal Tekhnicheskoi Fiziki (U.S.S.R.) For English translation see Sov. Phys. - Tech. Phys. (Engl. Transl.)” Finasteride can prevent breast cancer progression by blocking progesterone's conversion to a cancer-promoting hormone.
75 citations
,
January 1980 in “Journal of Investigative Dermatology” 15 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoids can change the hair growth cycle by extending the growth phase and shortening the rest phase.
April 2021 in “Journal of Investigative Dermatology” Photobiomodulation therapy may help treat hair loss in people with darker skin, but more research is needed.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
1 citations
,
January 2011 in “Journal of Animal Science and Veterinary Medicine” Injecting melatonin improves cashmere yield by enhancing fiber growth in goats.
December 2025 in “Lasers in Medical Science” Combining red laser therapy with minoxidil improves hair growth more effectively than minoxidil alone in women with hair loss.
Photobiomodulation improves the quality of life for people with hair loss.
May 2022 in “Hormones and behavior” Prairie dogs with fewer neighbors are more stressed but their number of babies isn't affected.
3 citations
,
June 2017 in “International Journal of Radiation Biology” Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.
1 citations
,
July 2020 in “Dermatology” Photobiomodulation helps reduce pain, lessen inflammation, heal wounds, and can be used in skin treatments. It also boosts hair growth in women with hair loss and may help fight microbes and prevent respiratory issues in COVID-19.
7 citations
,
April 2013 in “Animal Production Science” Altering maternal cortisol during pregnancy can improve wool growth in Merino sheep.
August 2017 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Melatonin supplementation may lower skin temperature in unshaved areas of pregnant beef cattle.
1 citations
,
January 1981 in “Elsevier eBooks” Melatonin stops melanin production after tyrosinase action, with cyclic GMP mimicking this effect.
49 citations
,
January 1998 in “International Journal of Molecular Medicine” Lipid peroxides can cause early hair loss by damaging hair follicles.