Laser diode light boosts hair follicle cell growth and certain gene expressions.
2 citations,
July 2004 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Near-infrared laser therapy with Indocyanine Green dye improves acne by reducing inflammation without side effects.
108 citations,
December 2003 in “Lasers in surgery and medicine” ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.
4 citations,
December 2021 in “Applied sciences” Micro-needling with low-level light therapy effectively increases hair growth in people with mild to moderate hair loss.
5 citations,
October 2020 in “Lasers in Medical Science” Combination therapy works best for female hair loss, increasing density and thickness.
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.
45 citations,
December 2018 in “Lasers in Medical Science” LLLT promotes hair growth and improves hair density safely in men and women.
12 citations,
March 2019 in “Lasers in Surgery and Medicine” Low-level laser therapy improves hair growth and dermal papilla cell function.
March 2024 in “Medical lasers” Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.
76 citations,
August 2018 in “International Journal of Cosmetic Science” Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
3 citations,
May 2018 in “Biochemical and Biophysical Research Communications” iNOS contributes to hair loss in obese diabetic mice and blocking it may encourage hair growth.
7 citations,
January 2020 in “International Journal of Molecular Sciences” Low-frequency electromagnetic fields can boost molecules related to hair growth in human skin cells.
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.
8 citations,
October 2020 in “Lasers in Medical Science” LLLT helps treat hair loss by increasing blood flow, reducing inflammation, and stimulating growth factors.
4 citations,
May 2021 in “Lasers in Surgery and Medicine” Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.
20 citations,
July 2020 in “Expert Opinion on Biological Therapy” Using micro-needling, low-level laser therapy, and platelet-rich plasma together significantly improves hair growth in people with hair loss.
April 2024 in “International journal of molecular sciences” Light-based treatment, Photobiomodulation, shows promise for non-invasive skin therapy with few side effects.
34 citations,
September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Light therapy can stimulate hair growth and is more effective when started early, but more research is needed on its long-term effects and optimal use.
September 2022 in “Applied sciences” Combining micro-needling, LED therapy, and growth factors with Finasteride® significantly improves hair growth.
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.
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.
15 citations,
February 2008 in “Annals of plastic surgery” Most patients were satisfied with diode laser hair removal and experienced no long-term side effects.
June 2011 in “CRC Press eBooks” Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
22 citations,
June 2002 in “Seminars in cutaneous medicine and surgery” Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.
14 citations,
May 2011 in “Facial Plastic Surgery Clinics of North America” Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.
2 citations,
August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
6 citations,
April 2012 in “Lasers in surgery and medicine” Laser hair removal can cause a severe itchy rash in some allergic individuals, treatable with steroids.
31 citations,
October 2012 in “Archives of ophthalmology” Laser hair reduction near the eyebrows can cause serious eye injuries even with safety measures.