Laser diode light boosts hair follicle cell growth and certain gene expressions.
35 citations
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December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
April 2020 in “The Aesthetics” LED-LLLT helps heal wounds, reduce pain, and regrow hair using specific light wavelengths.
December 2025 in “Aesthetic Plastic Surgery” The new near-infrared LED device improves skin and hair with no side effects.
15 citations
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July 2019 in “Lasers in surgery and medicine” The erbium-glass laser effectively promotes hair regrowth in alopecia areata.
1 citations
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May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” The system helps monitor hair properties using RGB video microscopy.
July 2021 in “British Journal of Dermatology” 47 citations
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October 2015 in “Dermatologic surgery” The 308-nm excimer laser is effective for skin conditions but needs more research on long-term effects.
1 citations
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January 2016 in “Journal of Advanced Plastic Surgery Research” The laser treatment effectively reduced hair growth in women with hirsutism, with temporary side effects.
7 citations
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August 2024 in “Skin Research and Technology” The study's findings are unreliable due to retraction.
23 citations
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July 2021 in “Life” Blue light can help treat skin conditions like eczema and acne without major side effects.
February 2010 in “Journal of The American Academy of Dermatology” Low-level laser therapy increased hair growth compared to no treatment.
43 citations
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September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
24 citations
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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.
January 2005 in “Cosmetic Surgery Times” Infrared light therapy helps regrow hair.
2 citations
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February 2022 in “Biology” Blue laser light reduces energy in mouse skin cells and creates harmful oxygen compounds, possibly harming the cells.
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.
4 citations
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January 2020 in “Lasers in Surgery and Medicine” Using a 308-nm excimer lamp with minoxidil promotes hair growth in Alopecia Areata patients, especially younger ones or those with smaller bald spots.
April 2017 in “Journal of Investigative Dermatology”
Phototherapy with red or blue light can safely improve hair growth and scalp health in androgenetic alopecia.
2 citations
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January 2003 in “Dermatologic surgery” The 800-nm pulsed diode laser is a safe and effective long-term treatment for trichostasis spinulosa in dark-skinned individuals.
October 2023 in “Skin research and technology” The 675 nm laser effectively improved facial acne scars in dark skin with minimal side effects.
6 citations
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September 2019 in “Journal of Cosmetic Dermatology” Laser treatment effectively increases hair density and thickness in androgenic alopecia.
29 citations
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November 2015 in “Acta Biomaterialia” Infrared light can trigger drug release from gold nanoparticle carriers in hair follicles.
47 citations
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August 2011 in “Journal of The European Academy of Dermatology and Venereology” Laser treatment increases hair density and thickness safely in women with hair loss.
30 citations
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January 2015 in “Dermatology” 308-nm excimer laser therapy helps regrow hair in alopecia areata.
April 2026 in “Frontiers in Medicine” The 675-nm diode laser may safely help treat telogen effluvium.
64 citations
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June 2009 in “Photomedicine and Laser Surgery” Excimer light effectively treats various skin diseases, including psoriasis, vitiligo, and mycosis fungoides.
April 2025 in “Journal of Biophotonics” PBM therapy improves mitochondrial function and promotes tissue regeneration in dental pulp stem cells.