26 citations
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April 1999 in “Dermatologic Clinics” This article reviews the basics of hair follicle biology, laser/tissue interactions, and hirsutism and hypertrichosis causes, discussing the long-pulsed alexandrite laser's role in hair reduction without reporting new clinical results.
January 2018 in “Archives of dermatology and skin care” This systematic review found widespread support in existing literature for the effectiveness of low level laser therapy in promoting hair growth, but emphasized the need for larger case-controlled studies to confirm these results.
September 2020 in “International journal of computer science and mobile computing” This article discusses the use of low-level laser therapy for hair regrowth in men and women but reports no new clinical results; it reviews types of lasers and evidence from animal and human studies.
January 2026 in “Dermatologic Therapy” In this prospective study, individuals with androgenetic alopecia using a home-use low-level laser therapy helmet for 48 weeks experienced significant increases in hair density and thickness, with reported improvements consistent across sexes and no device-related adverse events.
1 citations
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October 2022 in “Sci” This review discusses the use of helmet designs in integrative medicine and transcranial photobiomodulation, highlighting new developments and potential future advancements in sensor-controlled therapy helmets, but reports no new clinical results.
May 2022 in “Hair transplant forum international” This article reviews non-surgical hair loss treatments and procedures, highlighting options like minoxidil, DHT inhibitors, and laser light therapy, and reports no new clinical findings.
134 citations
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September 2008 in “Lasers in surgery and medicine” This study found that low fluence photoepilation with intense pulsed light targets the pigmented area of hair follicles, causing temporary hair loss by inducing a catagen-like state without severe follicle damage.
November 2023 in “Journal of medical and health studies” In this study, combining low-level laser therapy with microneedling showed statistically significant improvement in hair growth for three adult patients with androgenetic alopecia over three months, suggesting it may be a promising management approach.
February 2024 in “Journal of Cosmetic Dermatology” This clinical trial found that combining fractional CO2 laser with bimatoprost solution significantly improved alopecia areata treatment outcomes compared to bimatoprost alone, as measured by a more substantial reduction in SALT scores and higher patient satisfaction over 12 weeks.
April 2016 in “Proceedings of SPIE” This study found that UV laser-induced fluorescence spectroscopy can effectively differentiate between types of alopecia in patients, showing a high correlation between blood circulation levels and tissue autofluorescence intensity.
March 2023 in “Medical lasers” Low-level laser therapy is a safe and effective treatment for hair loss.
112 citations
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July 1998 in “Journal of Investigative Dermatology” This study found that anagen-phase hair follicles in mice are particularly sensitive to damage by ruby laser pulses, resulting in alopecia without scarring, suggesting enhanced laser hair removal strategies.
April 2026 in “International Journal of Research in Dermatology” This meta-analysis found that laser-based therapies showed promising clinical benefits in treating scarring alopecias, such as disease stabilization and symptom improvement, but highlighted the need for high-quality randomized controlled trials due to serious risk of bias and methodological limitations in existing studies.
February 2026 in “Journal of drug targeting” This study found that combining laser ablation with nanoparticulate drug formulations effectively enhanced the skin and follicular delivery of hydrophilic drugs like minoxidil and minocycline in preclinical models.
This review concluded that laser-based therapies, particularly low-level lasers and fractional ablative lasers, are effective for treating hair loss, with combination therapies showing superior efficacy compared to monotherapies.
December 2020 in “Lasers in Surgery and Medicine” In this study, using a 1064 nm picosecond Nd:YAG laser effectively removed undesirable scalp micropigmentation in four patients within 1–3 treatment sessions, with no unexpected adverse events reported.
12 citations
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March 2019 in “Lasers in Surgery and Medicine” This study found that low-level laser therapy increased the expression of proteins in dermal papilla tissues, suggesting it promotes hair growth in male androgenetic alopecia patients.
68 citations
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January 2007 in “Journal of Cosmetic and Laser Therapy” This review discusses laser/light treatments for pattern hair loss and reports no clinical validation of current devices; experts recommend physician evaluation to exclude other medical conditions.
January 2022 in “Advances in Clinical Medicine”
15 citations
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July 2019 in “Lasers in surgery and medicine” This study found that 1,540 nm fractional erbium-glass laser treatment combined with topical minoxidil significantly increased hair regrowth in alopecia areata patches compared to minoxidil alone, with response rates of 60% versus 16%, though the long-term effects remain unknown.
16 citations
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April 2015 in “Lasers in Surgery and Medicine” In this study, the researchers found that the effectiveness of a 1,550-nm fractional laser in promoting hair growth in mice depends on the specific combination of beam energy and density, with inappropriate settings potentially causing ulcers or hair follicle injury.
15 citations
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January 1996 in “Lasers in Surgery and Medicine” This letter discusses the state of laser hair transplantation as of its 1996 publication but reports no new findings or clinical results.
7 citations
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January 2003 in “Journal of cosmetic and laser therapy” This study concluded that the Spa Touch system effectively retards hair regrowth, functioning like a "light razor" for quick and cost-effective epilation.
July 2025 in “Dermatologic Surgery” 1 citations
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December 2020 in “Medical lasers” The laser therapy device effectively increased hair growth in people with androgenetic alopecia.
5 citations
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June 2016 in “JAMA Dermatology” This article highlights the limited photoprotection baseball caps provide against UV radiation and recommends additional sun protection measures, especially for those at risk of androgenetic alopecia, but reports no new results.
This study found that both finasteride and low level laser therapy were similarly effective in improving hair regrowth for frontal pattern hair loss in men and women over a 3-month period.
July 1998 in “Dermatologic Surgery” Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.
November 2024 in “Dermatology Online Journal” This review found promising evidence for the efficacy of certain laser and light-based therapies in treating various forms of alopecia, such as low-level light therapy for androgenetic alopecia and excimer laser for alopecia areata, but emphasized the need for further understanding of these treatments.
September 2024 in “Journal of the American Academy of Dermatology” This study found that both fractional and excimer lasers are effective in increasing hair density and promoting regrowth in various types of alopecia, although further trials are needed to compare their efficacy to more traditional treatments.