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Research

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research The effect of topical finasteride 0.5% on the outcome of diode laser therapy in the treatment of excess facial hairs in the women with hirsutism.

1 citations , September 2016 in “PubMed”

This study found that adding topical finasteride 0.5% to diode laser therapy significantly reduced unwanted facial hair in women with idiopathic hirsutism compared to laser treatment with a placebo.

research Advances in Laser Therapy for Hidradenitis Suppurativa: A Systematic Assessment of Current Evidence

1 citations , October 2025 in “Journal of Clinical Medicine”

In this systematic review, researchers reported that various types of laser therapy effectively treat hidradenitis suppurativa at different severity stages, with each laser offering specific benefits such as lesion removal, inflammation reduction, and improved quality of life.

research Use of Povidone Iodine plus Diode Laser for Treatment of Infected Wound in Mice

June 2022 in “Al-Qadisiyah Journal of Veterinary Medicine Sciences”

This study found that 660 nm laser treatment and povidone iodine both eradicated Pseudomonas aeruginosa infection in mice wounds, with the laser enhancing healing, and the combination provided additive or synergistic healing benefits.

research Clinical Assessment of Anti-inflammatory Activity of 940 Nanometer Low Level laser Therapy on Carrageenan Induced Arthritis in Temporomandibular Joint in Wistar Albino Rats

4 citations , March 2019 in “Journal of Pure and Applied Microbiology”

This study investigated the anti-inflammatory effects of a 940nm diode laser in Wistar rats with carrageenan-induced arthritis and found that a 74J/cm² energy density significantly reduced edema and restored function, whereas 171J/cm² neared thermal exposure limits for the skin.

research ICG laser therapy of acne vulgaris

2 citations , July 2004 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE”

This study found that multiple treatments combining NIR laser phototherapy with ICG significantly reduced inflammation and improved skin condition in acne without side effects.

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Community Join

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community Anyone try low level laser therapy hats?

5 upvotes 9 years ago

Low-level laser therapy hats for hair loss, with skepticism about their effectiveness and cost. Users suggest trying affordable alternatives instead of expensive options.

community New 1 year long study about the effect of Low-Level Laser Therapy on Hair, what do you think?

37 upvotes 8 months ago

Low-Level Laser Therapy (LLLT) for hair loss is effective but requires consistent use and device replacement every 1-2 years. The treatment is costly, and results may not be permanent without continued use.

community Results from 272 diode Red Light Therapy hat exclusively.

254 upvotes 8 months ago

A user reported noticeable hair regrowth using a 272 diode red light therapy hat over 11 months without Minoxidil or Finasteride. Opinions vary on its effectiveness compared to traditional treatments, with some suggesting combining therapies for better results.

community Best red light hair therapy device for someone already on min and fin? Looking to add LLLT to my stack.

in Technology 12 upvotes 4 months ago

The user is considering adding low-level laser therapy (LLLT) to their hair loss treatment routine, which already includes minoxidil, finasteride, and microneedling. They are debating between purchasing a cheaper LLLT device or investing in a more expensive, clinically-backed option, with concerns about the effectiveness and specifications of cheaper models.

community kiierr laser cap.. does it actually work or just marketing hype?

in Chat 23 upvotes 2 months ago

Finasteride and minoxidil treatments plateaued after 10 months, leading users to explore additional options like microneedling and low-level laser therapy (LLT) caps, though many are skeptical of the effectiveness and marketing of LLT devices like Kiierr. Users express frustration with the lack of clear recommendations from dermatologists and the prevalence of marketing hype over genuine reviews.

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Clinics

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Learn

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learn Low Level Laser Therapy

Red-light devices, such as caps, combs and helmets, used on the scalp

Is laser therapy safe to use at home, or should it always be done in a clinic? Home laser devices for hair loss are FDA-cleared, not FDA-approved, and their trials reported no serious adverse events. Never look into the lights or point them at the eyes.
How does low level laser therapy actually stimulate hair growth? Low-level laser therapy is thought to work by boosting energy production in follicle cells. Sham-controlled trials report modest gains in hair counts, but the mechanism is not proven in people.
Can low level laser therapy be combined with topical treatments like minoxidil? Some small trials suggest adding laser therapy to minoxidil may help modestly, but the evidence is limited and mixed; a 2025 meta-analysis found no clear added benefit.

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