September 2025 in “International Journal of Innovative Technologies in Social Science” Red light therapy may help rejuvenate skin and regrow hair.
18 citations
,
September 1972 in “British Journal of Pharmacology” PCPA induces hypersexual behavior in male rats regardless of age or castration status.
26 citations
,
November 2019 in “Medical Science Monitor” LED light therapy boosts bone cell growth and function.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
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.
February 2023 in “Cosmoderma” Combining red LED therapy with beta-carotene is more effective for treating photoaging than red LED therapy alone.
35 citations
,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
7 citations
,
March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
April 2024 in “International journal of molecular sciences” Light-based treatment, Photobiomodulation, shows promise for non-invasive skin therapy with few side effects.
January 2022 in “Figshare” Melatonin affects when and how goat hair grows by changing gene activity at different stages.
March 2026 in “Quality in Sport” Red light therapy can boost athletic performance and aid healing.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
1 citations
,
January 2021 in “Brazilian Journal of Medical and Biological Research” Constant light exposure during pregnancy changes newborn rabbits' skin, affecting hair follicles, skin thickness, and pigment cells.
9 citations
,
July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
Melatonin and photobiomodulation are effective for treating Alopecia X in German Spitz dogs.
67 citations
,
October 1997 in “Dermatologic Surgery” The EpiLight Hair Removal System removed about 60% of hair with some side effects, and more research is needed to confirm long-term effectiveness.
August 2024 in “Siberian Journal of Life Sciences and Agriculture” Melatonin and lyotritone improve hair growth and quality in white rats.
Photobiomodulation effectively improves skin and hair conditions with minimal side effects.
9 citations
,
March 2023 in “Chemosphere” Certain pesticides may delay sexual maturity in teenage boys.
23 citations
,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
7 citations
,
April 2013 in “Animal Production Science” Altering maternal cortisol during pregnancy can improve wool growth in Merino sheep.
August 2020 in “Research Square (Research Square)” Oxygen levels affect hair growth and color cells differently when they interact directly.
1 citations
,
January 2016 in “Klinicheskaya dermatologiya i venerologiya”
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Phototherapy helps some patients with alopecia areata regrow hair, especially those with hair at treatment start and less severe forms of the condition.
20 citations
,
September 2022 in “Journal of Biomedical Optics” PBM helps improve cell survival in 3D tissue engineering.
January 2026 in “Dermatologic Therapy” Photobiomodulation therapy effectively promotes hair regrowth and improves quality of life in alopecia areata without side effects.
October 1995 in “Pediatric Research”
2 citations
,
May 2023 in “Photobiomodulation, photomedicine, and laser surgery” Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.