August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
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.
Red light therapy is safe and works well for hair loss.
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.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.
6 citations
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September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.
520 citations
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January 2017 in “AIMS biophysics” Photobiomodulation therapy using red and near-infrared light can reduce inflammation and aid in healing various conditions.
41 citations
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October 2024 in “Nature Communications” A new wearable LED device helps heal chronic infected wounds at home.
5 citations
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October 2023 in “International Wound Journal” The portable LED device speeds up wound healing.
2 citations
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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
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June 2025 in “British Journal of Dermatology” Smartwatch light therapy may help regrow hair in alopecia areata.
January 2026 in “Forum Dermatologicum” LED therapy is safe and can help with acne, aging skin, and hair loss, but consumer devices may be less effective.
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.
August 2025 in “Photodermatology Photoimmunology & Photomedicine” LED therapy is a promising, non-invasive skin treatment, but needs standardization and personalization.
May 2023 in “Brazilian Journal of Animal and Environmental Research” Photobiomodulation effectively treats hair loss in dogs with black hair follicular dysplasia.
1 citations
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March 2024 in “International Journal of Dermatology” CO2 laser-associated PDT effectively treated therapy-resistant folliculitis decalvans.
January 2024 in “Materials chemistry frontiers (Online)” New near-infrared OLED emitters are more efficient, especially platinum(II) complexes, and have promising applications like hair growth treatment.
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.
21 citations
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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.
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.
16 citations
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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
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November 2025 in “Healthcare” Combining a 675 nm laser with isotretinoin improves acne treatment results.
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.
1 citations
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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.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Red light exposure can slow aging in mice by improving fat metabolism.
March 2026 in “Quality in Sport” Red light therapy can boost athletic performance and aid healing.
October 2025 in “Dermatologica Sinica” Combining laser therapy with other treatments effectively increases hair density and thickness for hair loss.
July 2025 in “Current Treatment Options in Oncology” Scalp cooling helps prevent hair loss during chemotherapy, and minoxidil aids regrowth.
December 2024 in “Journal of Biophotonics” Dual wavelength LEDs may help reduce hair loss by lowering DHT levels.
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.