117 citations,
September 2013 in “Lasers in Surgery and Medicine” Red light therapy at 655 nm significantly improved hair growth in men with hair loss.
81 citations,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
35 citations,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
19 citations,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
9 citations,
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,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
2 citations,
January 2007 in “Journal of The American Academy of Dermatology” Red and infrared light therapy improves hair growth in balding patients.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
Red light therapy is safe and works well for hair loss.
23 citations,
September 2011 in “Journal of Dermatological Science” Red LED light helps mouse hair grow by increasing growth factors from skin cells.
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.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Pulsed red light boosts collagen and energy in cells faster than continuous red light.
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.
520 citations,
January 2017 in “AIMS biophysics” Photobiomodulation therapy using red and near-infrared light can reduce inflammation and aid in healing various conditions.
70 citations,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
62 citations,
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.
33 citations,
January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
21 citations,
May 2022 in “Frontiers in Cell and Developmental Biology” Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.
17 citations,
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.
8 citations,
November 2020 in “Optics and Laser Technology” LED light therapy is effective for skin and hair treatments but requires careful use to minimize risks.
6 citations,
September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.
1 citations,
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.
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.
January 2016 in “프로그램북(구 초록집)” LED light promotes hair growth by stimulating cell proliferation and reducing cell death.
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.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.
September 2024 in “Archives of Dermatological Research” The light-guiding microneedle patch effectively stimulates hair growth in androgenetic alopecia without serious side effects.
January 2023 in “Dermatologic Therapy” A new hand-held light therapy device was found to be safe and effective for treating mild-to-moderate acne.
May 2024 in “Brazilian Journal of Hair Health” Phototherapy with red and blue light can effectively treat hair loss.
April 2024 in “International journal of molecular sciences” Light-based treatment, Photobiomodulation, shows promise for non-invasive skin therapy with few side effects.