134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
3 citations
,
May 1979 in “PubMed” 
October 1997 in “Dermatologic Surgery” The Epilight Hair Removal System is effective for temporary hair removal with few side effects, but more research is needed to confirm its safety and long-term results.
1 citations
,
February 2012 
64 citations
,
June 2020 in “PLoS ONE” Red light boosts beneficial compounds in Eclipta alba cultures.
December 2025 in “Lasers in Surgery and Medicine” January 2005 in “Cosmetic Surgery Times” Infrared light therapy helps regrow hair.
February 2005 in “Journal of the American Academy of Dermatology” 
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
,
June 2021 in “Medicina” Combined light therapy improves eye health and quality of life for those with meibomian gland dysfunction.
October 2014 in “Tesis Doctorals en Xarxa (Consorci de Serveis Universitaris de Catalunya)” Cell processes depend on time-of-day and protein complex flexibility for skin health.
April 2023 in “Tropical Animal Health and Production” Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.
47 citations
,
May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
60 citations
,
November 2020 in “International Journal of Medical Sciences” NIR light therapy may effectively treat eye diseases and improve brain function without side effects.
51 citations
,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.