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GlossaryLaserComb

handheld device using low-level laser therapy to stimulate hair growth

A LaserComb, also known as a Laser Hair Comb, is a handheld device that uses low-level laser therapy (LLLT) to stimulate hair follicles and promote hair growth. It is often used as a treatment for androgenetic alopecia (pattern hair loss) and works by increasing blood flow and cellular activity in the scalp.

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Efficacy and Safety of a Low-Level Laser Device in the Treatment of Male and Female Pattern Hair Loss: A Multicenter, Randomized, Sham Device-Controlled, Double-Blind Study

research Efficacy and Safety of a Low-level Laser Device in the Treatment of Male and Female Pattern Hair Loss: A Multicenter, Randomized, Sham Device-controlled, Double-blind Study

147 citations , January 2014 in “American Journal of Clinical Dermatology”

Laser device increases hair density, safe for treating hair loss in men and women.

research Effects of the Lexington LaserComb on hair regrowth in the C3H/HeJ mouse model of alopecia areata

81 citations , July 2011 in “Lasers in Medical Science”

The Lexington LaserComb helped regrow hair in mice with a condition similar to human hair loss.

research The growth of human scalp hair in females using visible red light laser and LED sources

81 citations , August 2014 in “Lasers in Surgery and Medicine”

Red light therapy is safe and effectively increases hair growth in women with hair loss.

research Low level laser therapy and hair regrowth: an evidence-based review

60 citations , December 2015 in “Lasers in Medical Science”

Low-level laser therapy is safe and can increase hair growth for male and female pattern hair loss.

research Novel Approach to Treating Androgenetic Alopecia in Females With Photobiomodulation (Low-Level Laser Therapy)

33 citations , March 2017 in “Dermatologic Surgery”

Low-level laser therapy effectively treats female hair loss, increasing hair count by 51%.

research A Critical Assessment of the Evidence for Low-Level Laser Therapy in the Treatment of Hair Loss

32 citations , September 2016 in “Dermatologic Surgery”

The evidence for using Low-Level Laser Therapy for hair loss is limited and more thorough research is needed.

Comparison of the Effects of 665 nm Low-Level Diode Laser Hat Versus a Combination of 665 nm and 808 nm Low-Level Diode Laser Scanner on Hair Growth in Androgenic Alopecia

research Comparison of the effects of 665 nm low level diode Laser Hat versus and a combination of 665 nm and 808nm low level diode Laser Scanner of hair growth in androgenic alopecia

24 citations , May 2017 in “Journal of Cosmetic and Laser Therapy”

The laser scanner device was more effective at increasing hair density than the laser hat in treating androgenic alopecia.

research Lack of Response to Laser Comb in Spontaneous and Graft-Induced Alopecia Areata in C3H/HeJ Mice

13 citations , January 2014 in “Journal of Investigative Dermatology”

The laser comb did not improve hair regrowth in mice with alopecia areata.

research No improvement in male-pattern hair loss using laser hair-comb therapy: a 6-month, half-head, assessor-blinded investigation in two men

13 citations , October 2011 in “Clinical and Experimental Dermatology”

Laser hair-comb therapy doesn't improve male-pattern hair loss.

research Examining the Safety and Efficacy of Low-Level Laser Therapy for Male and Female Pattern Hair Loss: A Review of the Literature

11 citations , January 2020 in “Skin appendage disorders”

Low-level laser therapy safely and effectively improves hair growth and coverage for male and female pattern hair loss.

The Effect of One Session Low Level Laser Therapy on Extracted Follicular Units in Hair Transplantation

research The Effect of One Session Low Level Laser Therapy of Extracted Follicular Units on the Outcome of Hair Transplantation

6 citations , January 2016 in “Journal of lasers in medical sciences”

One session of Low Level Laser Therapy before hair transplantation doesn't significantly improve hair growth.

research At-Home Laser and Light-Based Devices

4 citations , January 2011 in “Current problems in dermatology”

At-home laser and light devices can safely reduce acne and hair growth when used correctly but are less effective than professional treatments.

research STIMULATION OF HAIR REGROWTH USING LOW LEVEL LASER TREATMENT IN A RAT MODEL OF ALOPECIA

January 2013

Low-level laser therapy combined with Neoptide improved hair regrowth better than either treatment alone in rats.

research Efficacy and Safety of Laser Therapy and Phototherapy in Cicatricial and NonCicatricial Alopecia: A Systematic Review Study

November 2024 in “Health Science Reports”

Light/laser therapy can effectively increase hair density in some types of alopecia, especially androgenic alopecia and alopecia areata.

research Low-level laser/light therapy for androgenetic alopecia.

2 citations , 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.

research Laser therapies in androgenetic alopecia: Review and clinical experiences

January 2025 in “Journal of Cutaneous and Aesthetic Surgery”

Low-level laser therapy effectively improves hair growth in androgenetic alopecia with minimal side effects.

research Chapter 14 Low-Level Laser Therapy and Stem Cells

August 2016

Low-level laser therapy may help stem cells grow and function better, aiding in healing and tissue repair.

research HairMax LaserComb® Laser Phototherapy Device in the Treatment of Male Androgenetic Alopecia

160 citations , January 2009 in “Clinical Drug Investigation”

HairMax LaserComb® effectively promotes hair growth and stops hair loss in males with androgenetic alopecia, with no serious side effects.

research Low-level laser therapy as a treatment for androgenetic alopecia

47 citations , April 2016 in “Lasers in Surgery and Medicine”

Low-level laser therapy may improve hair regrowth and thickness for androgenetic alopecia, but more research is needed.

research A Review of Hand-Held, Home-Use Cosmetic Laser and Light Devices

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.

research Evaluation of Efficacy of Low-Level Laser Therapy

64 citations , October 2020 in “Journal of lasers in medical sciences”

Low-level laser therapy shows promise but needs more research for improvement.

Low-Level Laser Therapy for the Treatment of Androgenetic Alopecia in Thai Men and Women: A 24-Week, Randomized, Double-Blind, Sham Device-Controlled Trial

research Low-level laser therapy for the treatment of androgenetic alopecia in Thai men and women: a 24-week, randomized, double-blind, sham device-controlled trial

45 citations , December 2018 in “Lasers in Medical Science”

LLLT promotes hair growth and improves hair density safely in men and women.

research Use of low-level laser therapy as monotherapy or concomitant therapy for male and female Androgenetic alopecia

45 citations , January 2014 in “International Journal of Trichology”

Low-level laser therapy helps male and female hair loss alone or with other treatments.

research Erbium–Yttrium–Aluminum–Garnet Laser Irradiation Ameliorates Skin Permeation and Follicular Delivery of Antialopecia Drugs

31 citations , September 2014 in “Journal of Pharmaceutical Sciences”

Using a special laser can improve how well hair loss treatments get into the skin and hair follicles.

research Evaluation of wavelength-dependent hair growth effects on low-level laser therapy: an experimental animal study

15 citations , June 2015 in “Lasers in Medical Science”

The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.

research Systematic review of low-level laser therapy for adult androgenic alopecia

13 citations , December 2017 in “Journal of Cosmetic and Laser Therapy”

Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.

research Regenerative Biotechnologies in Plastic Surgery: A Multicentric, Retrospective, Case-Series Study on the Use of Micro-Needling with Low-Level Light/Laser Therapy as a Hair Growth Boost in Patients Affected by Androgenetic Alopecia

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.

research Efficacy assessment for low-level laser therapy in the treatment of androgenetic alopecia: a real-world study on 1383 patients

1 citations , February 2022 in “Lasers in Medical Science”

Low-level laser therapy is about 80% effective in treating hair loss, with best results in males, those who use it for over a year, and those with scalp conditions like dandruff and rash.

research Results of low‐level laser therapy in the treatment of hair growth: An Egyptian experience

2 citations , March 2021 in “Dermatologic Therapy”

Low-level laser therapy helps increase hair growth in female pattern hair loss but not in telogen effluvium.

Low Level Laser Versus Platelet-Rich Plasma in Treatment of Alopecia Areata: A Randomized Controlled Intra-Patient Comparative Study

research Low Level Laser versus Platelet-rich Plasma in Treatment of Alopecia Areata: A Randomized Controlled Intra-patient Comparative Study

1 citations , January 2022 in “Open Access Macedonian Journal of Medical Sciences”

Both platelet-rich plasma and low-level laser therapy effectively treat hair loss with minimal side effects and good cost-benefit ratio.