1057 citations
,
November 2011 in “Annals of Biomedical Engineering” Low-level Laser Therapy may help reduce inflammation, pain, and aid healing, but more research is needed to confirm its effectiveness and establish standard treatment guidelines.
25 citations
,
October 2022 in “Ophthalmic Research” Red light therapy temporarily increased blood flow in the eye but didn't change other eye structures.
9 citations
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August 2017 in “Photochemistry and Photobiology” Red light at 627 nm can safely trigger IL-4 release in skin cells, potentially helping treat inflammatory skin conditions.
6 citations
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January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
117 citations
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September 2013 in “Lasers in Surgery and Medicine” Red light therapy at 655 nm significantly improved hair growth in men with hair loss.
23 citations
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September 2011 in “Journal of Dermatological Science” Red LED light helps mouse hair grow by increasing growth factors from skin cells.
18 citations
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January 2023 in “Nano Research” Red OLED therapy significantly boosts hair growth.
January 2024 in “Annals of Agricultural and Environmental Medicine” Red LED light therapy helps reduce hair loss and improves hair regrowth in long COVID patients.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
April 2024 in “International journal of molecular sciences” Light-based treatment, Photobiomodulation, shows promise for non-invasive skin therapy with few side effects.
19 citations
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December 2011 in “PubMed” Inflammation and immunity play a key role in androgenetic alopecia, with better treatment outcomes in certain immune-positive cases.
September 2024 in “Archives of Dermatological Research” The light-guiding microneedle patch effectively stimulates hair growth in androgenetic alopecia without serious side effects.
3 citations
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November 2021 in “Journal of The American Academy of Dermatology” Androgenetic alopecia, a genetic disorder affecting up to 50% of adults, is caused by an excessive response to androgens leading to hair follicle shrinkage. Treatments include FDA-approved drugs, other therapies like low-dose oral minoxidil, and hair transplantation.
70 citations
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April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
62 citations
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July 2018 in “Lasers in Medical Science” LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.
25 citations
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February 2023 in “Aesthetic Surgery Journal” Photobiomodulation is safe for skin rejuvenation, even for those with a cancer history.
17 citations
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December 2015 in “International Journal of Cosmetic Science” Visible light can improve skin disorders and hair loss, but more research is needed to understand long-term effects.
January 2026 in “Nature Communications” A wearable device using NIR light may help treat hair loss non-invasively.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and move by activating certain cell pathways.
June 2025 in “Journal of Education Health and Sport” Combination therapies for androgenetic alopecia are more effective, but more research is needed for safe, standardized treatments.
2 citations
,
December 2024 in “Journal of Photochemistry and Photobiology B Biology” Pulsed wave red LED light is more effective than continuous wave light for promoting hair regrowth.
14 citations
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November 2022 in “Archives of Dermatological Research” The green-light LED microneedle patch effectively promotes hair growth.
December 2024 in “Journal of Biophotonics” Dual wavelength LEDs may help reduce hair loss by lowering DHT levels.
January 2025 in “Journal of Cutaneous and Aesthetic Surgery” Low-level laser therapy effectively improves hair growth in androgenetic alopecia with minimal side effects.
3 citations
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April 2022 in “Dermatologic Surgery” Light therapy with various colors helps treat hair loss.
November 2025 in “Journal of Investigative Dermatology” Combination therapy, including JAK inhibitors, effectively regrows hair and reduces severity in Black children with stubborn Alopecia Areata.
Low-level laser therapy is a safe, painless method that effectively treats acne and improves skin without post-treatment care.
1 citations
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June 2025 in “British Journal of Dermatology” Smartwatch light therapy may help regrow hair in alopecia areata.
1 citations
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July 2023 in “Journal of Biophotonics” Red light at 8 mW/cm2 most effectively promotes hair cell growth and affects key growth pathways, especially in cells treated with a hair loss-related hormone.