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.
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.
6 citations
,
September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.
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.
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.
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.
Photobiomodulation effectively improves skin and hair conditions with minimal side effects.
January 2025 in “Journal of Cutaneous and Aesthetic Surgery” Low-level laser therapy effectively improves hair growth in androgenetic alopecia with minimal side effects.
2 citations
,
November 2025 in “Healthcare” Combining a 675 nm laser with isotretinoin improves acne treatment results.
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.
1 citations
,
May 2016 in “Current Opinion in Pediatrics” Children's hair loss can be caused by various factors and should be treated with appropriate, age-specific methods and psychological support.
November 2025 in “Revista Multidisciplinar do Nordeste Mineiro” Red LED therapy may help reduce hair loss and improve hair health in Telogen Effluvium.
6 citations
,
October 2018 in “Lasers in Medical Science” Low-level laser therapy using near-infrared light may help heart conditions and promote healing by releasing nitric oxide.
January 2019 in “Springer eBooks” PRP and LLLT can improve hair growth in AGA, but more research needed.
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.
Low-level laser therapy may help stem cells grow and function better, aiding in healing and tissue repair.
1 citations
,
April 2018 in “Lasers in Surgery and Medicine” New treatments and technologies in laser medicine show promise for improving skin conditions, fat reduction, cancer treatment, wound healing, and hair restoration.
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.
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.
February 2024 in “Neurophotonics” Light therapy on the brain shows promise for treating brain diseases and improving brain function.
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.
38 citations
,
January 2023 in “International Journal of Medical Sciences” Red-light therapy may slow myopia progression better than traditional treatments.
June 2011 in “CRC Press eBooks” Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
8 citations
,
April 2024 in “Cureus” CO2 lasers are better for severe acne scars, while Er:YAG lasers are gentler with fewer side effects.
24 citations
,
March 2015 in “Dermatologic Surgery” Home-use cosmetic laser and light devices show modest results for hair removal and acne treatment, but more research is needed for confirmation.
73 citations
,
April 1999 in “Dermatologic Clinics” Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.
December 2025 in “The Journal of Basic and Applied Zoology” Red Sokoto goat fetuses develop firmer, pigmented skin with hair follicles as they grow.
19 citations
,
September 2011 in “Seminars in Cutaneous Medicine and Surgery” At-home laser and light skin devices are less effective than professional ones, with limited scientific evaluation, but some show promise for wrinkles, hair growth, and acne.
6 citations
,
November 2018 in “Photodiagnosis and Photodynamic Therapy” A wearable cap-like device using light therapy reduced scalp skin lesions by 71% and was painless.