March 2026 in “Health Science Reports” Among individuals with skin types II and III, this study found the 755 nm laser more effective for axillary hair removal than the dual-wavelength laser, with a better safety profile and enduring results up to 12 months.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated a new high-power, 810 nm diode laser for hair removal, finding it to be effective and safe, with a mean hair reduction of 74.4% in one session, and noted it worked efficiently on both large and small areas with minimal side effects.
May 2013 in “Proceedings of SPIE” In this study, the researchers demonstrated an automatic alignment method for beams in an electron pumped excimer laser system that achieved high precision and accuracy, with a reported alignment accuracy of 0.63μrad.
December 2025 in “Lasers in Surgery and Medicine”
February 2025 in “Journal of Biophotonics” This study found that using dual-wavelength low-level laser therapy is more effective for hair regrowth in mice than single-wavelength treatment and significantly better than no treatment, based on 14 days of phototherapy with LED lights.
20 citations
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November 2014 in “JAMA dermatology” This study found that three treatments with the 810-nm diode laser improved skin texture and roughness/bumpiness in keratosis pilaris patients, although it did not reduce redness.
4 citations
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June 2025 in “Journal of Cosmetic Dermatology” This study found that a high-power triple-wavelength diode laser effectively and safely treated facial hirsutism and follicular disorders in individuals with darker skin tones, showing significant hair reduction without adverse events.
5 citations
,
May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” This study developed a double-wavelength laser scanning microphotometer to measure hair shaft and follicle absorbance, improving spatial resolution and reducing light scattering effects in vitro.
14 citations
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March 2012 in “Lasers in Surgery and Medicine” This study concluded that low-level fluence 810 nm diode laser therapy was generally well tolerated, safe, and effective for long-term hair reduction in a small sample of patients with various skin types.
April 2019 in “Archives of aesthetic plastic surgery” This study evaluated an 808-nm diode laser at different fluences for permanent axillary hair removal in Korean women and found that high-fluence treatment (14 J/cm2) effectively reduced hair density and thickness, with no significant difference in comfort compared to lower fluences.
February 2020 in “Journal of Physics Conference Series” This study found that laser hair removal is optimal for light to moderate skin tones using 10-15 J/cm² at 755 nm and for dark skin with 4.5-10 J/cm² at 755-1064 nm.
2 citations
,
December 2024 in “Microscopy Research and Technique” This study introduced a novel microscopy system using an Er3 + −doped femtosecond fiber laser, achieving detailed imaging of biological structures in plant and skin samples with improved spatial resolution for various applications, including in vivo imaging.
24 citations
,
May 2017 in “Journal of Cosmetic and Laser Therapy” This study reported that a new laser scanner using 655 nm red and 808 nm infrared lasers significantly improved hair density in patients with androgenic alopecia compared to both a laser hat and no treatment, without observable adverse effects.
22 citations
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September 2022 in “Medicina” This study found that the dual-wavelength non-ablative fractional laser provides enhanced skin rejuvenation by increasing thermal lesion coverage and collagen remodeling compared to using the CO2 laser alone in an ex vivo setting.
1 citations
,
November 2020 in “Journal of Cosmetic Dermatology” This letter to the editor discusses an unusual complication, crescent-shaped incisional cuts, observed with Q-switched Nd:YAG 1064 laser tattoo removal and reports no new clinical results.
2 citations
,
December 2016 in “International Journal of Surgery”
206 citations
,
September 2010 in “PLoS ONE” This study found that using a Picosecond IR Laser (PIRL) on mouse skin led to less tissue damage and scarring compared to conventional surgical lasers and tools.
April 2023 in “Journal of Investigative Dermatology” In this study, Nd:YAG picosecond lasers using fractional micro-lens array were found to have a comparable effect to ablative fractional Er:YAG lasers in treating atrophic acne scars, with better safety profiles but slightly less patient satisfaction.
This study introduced a new laser-only method called EKA for acne treatment, which is reported to be safe, painless, and heat-free, showing promising results for both acne and scar repair in initial sessions without combining with LED light.
September 2024 in “Journal of the Pakistan Medical Association” In this experimental study, laser irradiation significantly altered the gene expression of cytokines in cultured human T-cell lymphocytes, suggesting that such laser light may photobiomodulate cytokine production in vitro.
9 citations
,
July 2022 in “Dermatology and Therapy” In this study, long-pulsed 755-nm alexandrite laser treatment for keratosis pilaris significantly improved skin roughness and redness, as well as follicular plug reduction, with good safety and patient satisfaction compared to a moisturizing lotion alone.
February 2023 in “Default Digital Object Group” This study demonstrated that a single multimode fiber can be used for single-shot wide-field reflectance imaging, achieving high correlation with the ground truth and enabling real-time microendoscopy at up to 180 frames per second.
10 citations
,
November 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” This study introduced laser particles as a new imaging probe capable of real-time tracking of thousands of individual cells in 3D tumor models, suggesting potential for advanced single-cell analyses.
9 citations
,
April 2019 in “Dermatologic Therapy” This study reviewed the effectiveness of long pulse 1,064-nm Nd:YAG laser treatments for leg veins, hair removal, and skin rejuvenation, highlighting its safety, particularly for darker skin types, due to reduced pigmentary side effect risks.
This study found that 1064 nm QS Nd:YAG laser treatment effectively lightens hair and improves skin appearance in Indian subjects with minimal adverse effects, offering a safer alternative to chemical lightening products.
1 citations
,
August 2019 in “Journal of Dentistry Indonesia” This ex vivo study reported that a 645-nm wavelength red-light laser can penetrate and reach cells in the various layers of swine oral mucosa and periosteum tissue samples.
April 2026 in “Frontiers in Medicine” This study observed that 675-nm diode laser therapy may serve as a safe and possibly effective adjuvant treatment for telogen effluvium, showing improvements in hair pull test results, pruritus, and trichodynia among patients. However, controlled studies are needed to confirm its efficacy.
63 citations
,
January 2006 in “Journal of cosmetic and laser therapy” This study found that pulsed infrared diode laser therapy (904 nm) was effective in promoting hair regrowth in 94% of patients with resistant patches of alopecia areata.
August 2022 in “Dermatologic Therapy” This letter discusses the use of the 2940 nm Er: YAG fractional laser for male androgenetic alopecia but provides no new clinical findings.
10 citations
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July 1997 in “Dermatologic Clinics” This article discusses the use of laser technology in hair transplantation and highlights its potential benefits and drawbacks, emphasizing its role in achieving natural results in cosmetic hair restoration.