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.
1 citations
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July 2024 in “Journal of lasers in medical sciences” The laser treatment effectively improved facial pigmentation with no major side effects.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.
1 citations
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March 2019 in “Lasers in Surgery and Medicine” The conference reported improvements in muscle volume, skin cancer diagnosis, facial and vaginal rejuvenation, and hair growth using various laser treatments.
19 citations
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February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
36 citations
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December 2009 in “Skin pharmacology and physiology” Helium-neon laser treatment can stimulate hair growth in mice.
15 citations
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January 1996 in “Lasers in Surgery and Medicine” Lasers in hair transplantation may have potential but require caution due to possible damage and reduced graft survival.
February 2025 in “Cosmetics” Blue light therapy is promising for skin and hair conditions but needs more research for widespread use.
March 2026 in “Health Science Reports” The 755 nm laser is more effective and safer for hair removal than the dual-wavelength laser.
June 1999 in “Proceedings of SPIE” The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.
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 “Journal of Hard Tissue Biology” Red LED light boosts cell activity and growth, aiding wound healing and blood vessel repair.
9 citations
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November 2021 in “PubMed” FDA-approved low-level light/laser therapy devices can significantly increase hair density in people with pattern hair loss.
December 2020 in “Lasers in Surgery and Medicine” Laser safely and effectively removes unwanted scalp micropigmentation.
Low level laser or LED therapy combined with infiltrations may help hair growth.
1 citations
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March 2024 in “Brain Imaging and Stimulation” A low-cost, 3D-printed light therapy device is safe and effective but needs more testing before use on people.
2 citations
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September 2014 in “PubMed” Low-level laser or light devices could be a cheaper, side-effect free treatment for hair loss, but more research is needed to confirm their effectiveness.
68 citations
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January 2007 in “Journal of Cosmetic and Laser Therapy” Laser/light treatments for hair loss are popular but lack scientific data proving effectiveness.
June 2001 in “Proceedings of SPIE” Low energy laser therapy effectively treats certain skin conditions and improves recovery time without side effects.
April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
August 2022 in “Dermatologic Therapy”
15 citations
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January 2003 in “Lasers in Surgery and Medicine” Cold air and a chilled sapphire window both protect the skin during laser treatments, and work better with water or gel, especially for darker skin.
16 citations
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April 2020 in “Dermatology practical & conceptual” Laser treatment can effectively reduce unwanted hair growth, particularly for people with fair skin and dark hair.
2 citations
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March 2025 in “Archives of Dermatological Research” HEV light can harm or help skin and scalp, so safe exposure guidelines are needed.
14 citations
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March 2012 in “Lasers in Surgery and Medicine” A low-power, fast laser safely reduces hair with minimal pain and few side effects.
September 2024 in “Journal of the Pakistan Medical Association” A 589 nm laser increases IL-2 and IFN-y gene expression in human T-cells.
19 citations
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August 2018 in “Journal of the American Academy of Dermatology” Both lasers are equally effective and safe for treating freckles.
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.
January 2014 in “프로그램북(구 초록집)” Laser and light treatments show promise for hair growth but need more research.