January 2026 in “American Journal of Medical and Clinical Research & Reviews” Different wavelengths of LED light are needed to treat different types of hair loss effectively.
Phototherapy with red or blue light can safely improve hair growth and scalp health in androgenetic alopecia.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Red light exposure can slow aging in mice by improving fat metabolism.
November 2025 in “Revista Multidisciplinar do Nordeste Mineiro” Red LED therapy may help reduce hair loss and improve hair health in Telogen Effluvium.
25 citations
,
February 2023 in “Aesthetic Surgery Journal” Photobiomodulation is safe for skin rejuvenation, even for those with a cancer history.
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.
May 2024 in “Brazilian Journal of Hair Health” Phototherapy with red and blue light can effectively treat hair loss.
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.
14 citations
,
November 2022 in “Archives of Dermatological Research” The green-light LED microneedle patch effectively promotes hair growth.
16 citations
,
April 2025 in “Journal of the American Academy of Dermatology” Photobiomodulation is safe and effective for treating certain conditions like nerve pain and hair loss.
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.
1 citations
,
November 2021 in “IntechOpen eBooks” Red light therapy may help prevent memory loss as we age.
January 2025 in “Journal of Cutaneous and Aesthetic Surgery” Low-level laser therapy effectively improves hair growth in androgenetic alopecia with minimal side effects.
October 2022 in “Journal of ophthalmology” Light therapy may improve eye conditions by stimulating cell activity and increasing oxygen availability.
January 2026 in “Nature Communications” A wearable device using NIR light may help treat hair loss non-invasively.
January 2019 in “Springer eBooks” PRP and LLLT can improve hair growth in AGA, but more research needed.
April 2024 in “International journal of molecular sciences” Light-based treatment, Photobiomodulation, shows promise for non-invasive skin therapy with few side effects.
Low-level laser therapy may help stem cells grow and function better, aiding in healing and tissue repair.
November 2025 in “Photochemistry and Photobiology” Standardizing light therapy methods could improve spinal cord injury treatment.
February 2024 in “Neurophotonics” Light therapy on the brain shows promise for treating brain diseases and improving brain function.
19 citations
,
September 2023 in “Journal of Biomedical Science” Photobiomodulation may help heal diabetic wounds, but more research is needed.
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.
June 2011 in “CRC Press eBooks” Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
July 2023 in “Journal of lasers in medical sciences” Red laser therapy helped regrow hair in an alopecia areata patient within 21 days.
195 citations
,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
24 citations
,
May 2017 in “Journal of Cosmetic and Laser Therapy” The laser scanner device was more effective at increasing hair density than the laser hat in treating androgenic alopecia.
8 citations
,
July 2020 in “Medicine” Helmet-like device safely increases hair density for people with hair loss.
5 citations
,
October 2020 in “Lasers in Medical Science” Combination therapy works best for female hair loss, increasing density and thickness.
4 citations
,
February 2014 in “Proceedings of SPIE” Low-Level Light Therapy is effective for skin rejuvenation, wound healing, and hair growth, with mild side effects.
4 citations
,
January 2011 in “Current problems in dermatology” At-home laser and light devices can safely reduce acne and hair growth when used correctly but are less effective than professional treatments.