AH
PBM Research54 studies

Photobiomodulation for Hair

54 peer-reviewed studies on light therapy for hair, spanning 2003 to 2020. Filtered from the full PBM database of 4,914 studies.

54

Total Studies

19

Human Studies

27

Positive Results

3

Wavelength Bands

Study Types

Review
22 (41%)
Human
19 (35%)
In vitro
5 (9%)
Mouse
5 (9%)
Animal
3 (6%)

Outcomes

positive
27 (50%)
unclear
24 (44%)
negative
3 (6%)

Wavelength Distribution

Not specified

37 studies

Red (600-700nm)

14 studies

Near-IR (700-900nm)

3 studies

All Studies (54)

Lichen Planopilaris and Low-Level Light Therapy: Four Case Reports and Review of the Literature About Low-Level Light Therapy and Lichenoid Dermatosis.

RandolphDermatol Ther (Heidelb)2020
positiveHuman

Efficacy of non-surgical treatments for androgenetic alopecia in men and women: a systematic review with network meta-analyses, and an assessment of evidence quality.

GuptaJ Dermatolog Treat2020
unclearReview

Low-level laser therapy and narrative review of other treatment modalities in androgenetic alopecia.

GaladariLasers Med Sci2020
unclearReview

Treatment review for male pattern hair-loss.

YorkExpert Opin Pharmacother2020
unclearReview

Meta-analysis of photobiomodulation for the treatment of androgenetic alopecia.

Gupta & CarvielJ Dermatolog Treat2019
unclearReview

Photobiomodulation for the management of alopecia: mechanisms of action, patient selection and perspectives.

Hamblin MRClin Cosmet Investig Dermatol2019
unclearReview

The role of photobiomodulation when associated with microneedling in female pattern hair loss: A randomized, double blind, parallel group, three arm, clinical study protocol.

da SilveiraMedicine (Baltimore)2019
unclearAnimal

Quantitative proteomic analysis of dermal papilla from male androgenetic alopecia comparing before and after treatment with low-level laser therapy.

PanchaprateepLasers Surg Med2019655nm
positiveHuman

Comparative effectiveness of low-level laser therapy for adult androgenic alopecia: a system review and meta-analysis of randomized controlled trials.

LiuLasers Med Sci2019
unclearReview

Gene Expression Analysis of Chondrogenic Markers in Hair Follicle Dermal Papillae Cells Under the Effect of Laser Photobiomodulation and the Synovial Fluid.

FarivarJ Lasers Med Sci2019780nm
positiveIn vitro

Application of superluminescent diodes (sLED) in the treatment of scarring alopecia - a pilot study.

GerkowiczPhotodiagnosis Photodyn Ther2019630nm
positiveHuman

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.

SuchonwanitLasers Med Sci2018650nm
negativeHuman

Trichogenic Photostimulation Using Monolithic Flexible Vertical AlGaInP Light-Emitting Diodes.

LeeACS Nano2018650nm
negativeMouse

Efficacy and Safety of a Low-Level Light Therapy for Androgenetic Alopecia: A 24-Week, Randomized, Double-Blind, Self-Comparison, Sham Device-Controlled Trial.

Mai-YiDermatol Surg2018
positiveHuman

Guidelines for the diagnosis and treatment of male-pattern and female-pattern hair loss, 2017 version.

ManabeJ Dermatol2018
unclearReview

Efficacy of non-surgical treatments for androgenetic alopecia: a systematic review and network meta-analysis.

GuptaJ Eur Acad Dermatol Venereol2018
unclearReview

The effectiveness of adding low-level light therapy to minoxidil 5% solution in the treatment of patients with androgenetic alopecia.

FaghihiIndian J Dermatol Venereol Leprol2018785nm
positiveHuman

Activation of Wnt/β-catenin signaling is involved in hair growth-promoting effect of 655-nm red light and LED in in vitro culture model.

HanLasers Med Sci2018655nm
positiveIn vitro

New-Generation Therapies for the Treatment of Hair Loss in Men.

Sadick NSDermatol Clin2018
unclearReview

Low-level laser therapy for the treatment of androgenic alopecia: a review.

DarwinLasers Med Sci2018
unclearReview

Effectiveness Of Low-Level Laser Therapy In Lichen Planopilaris.

Fonda-PascualJ Am Acad Dermatol2017630nm
positiveHuman

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

Delaney & ZhangJ Cosmet Laser Ther2017
unclearReview

A review of monochromatic light devices for the treatment of alopecia areata.

DarwinLasers Med Sci2017
unclearReview

Photobiomodulation therapy for androgenetic alopecia: a clinician's guide to home-use devices cleared by the Federal Drug Administration.

DoddJ Cosmet Laser Ther2017
unclearReview

Various Wavelengths of Light-Emitting Diode Light Regulate the Proliferation of Human Dermal Papilla Cells and Hair Follicles via Wnt/β-Catenin and the Extracellular Signal-Regulated Kinase Pathways.

JooAnn Dermatol2017
positiveIn vitro

Effect of laser diode light irradiation on growth capability of human hair follicle dermal papilla cells.

Jampa-NgernConf Proc IEEE Eng Med Biol Soc2017808nm
positiveIn vitro

A new path in defining light parameters for hair growth: Discovery and modulation of photoreceptors in human hair follicle.

BusconeLasers Surg Med2017
positiveHuman

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.

BarikbinJ Cosmet Laser Ther2017
positiveHuman

Low-level laser treatment stimulates hair growth via upregulating Wnt10b and β-catenin expression in C3H/HeJ mice.

ZhangLasers Med Sci2017
negativeMouse

Low level light-minoxidil 5% combination versus either therapeutic modality alone in management of female patterned hair loss: A randomized controlled study.

EsmatLasers Surg Med2017
positiveHuman

The effectiveness of treatments for androgenetic alopecia: A systematic review and meta-analysis.

Adil & GodwinJ Am Acad Dermatol2017
unclearReview

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

Friedman & SchnoorDermatol Surg2017650nm
positiveHuman

Illuminating current pitfalls in optimal photobiomodulation device development and assessment for treating hair loss.

KeeneExp Dermatol2016
unclearAnimal

Photobiomodulation devices for hair regrowth and wound healing: a therapy full of promise but a literature full of confusion.

MignonExp Dermatol2016
unclearReview

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

Gupta & FoleyDermatol Surg2016
unclearReview

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

AfifiLasers Surg Med2016
unclearReview

Visible red light enhances physiological anagen entry in vivo and has direct and indirect stimulative effects in vitro.

SheenLasers Surg Med2015630nm
positiveIn vitro

Efficacy of low-level laser therapy on hair regrowth in dogs with noninflammatory alopecia: a pilot study.

OlivieriVet Dermatol2015
positiveAnimal

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.

JimenezAm J Clin Dermatol2014
positiveHuman

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

MunckInt J Trichology2014655nm
positiveHuman

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

LanzafameLasers Surg Med2014655nm
positiveHuman

The use of low-level light therapy in the treatment of androgenetic alopecia and female pattern hair loss.

Gupta & DaigleJ Dermatolog Treat2014
unclearReview

Low-level laser (light) therapy (LLLT) for treatment of hair loss.

AvciLasers Surg Med2014
unclearReview

Nonsurgical therapy for hair loss.

NusbaumFacial Plast Surg Clin North Am2013
unclearReview

Low-level laser treatment accelerated hair regrowth in a rat model of chemotherapy-induced alopecia (CIA).

WikramanayakeLasers Med Sci2013655nm
positiveMouse

The growth of human scalp hair mediated by visible red light laser and LED sources in males.

LanzafameLasers Surg Med2013655nm
positiveHuman

Low-level light therapy for androgenetic alopecia: a 24-week, randomized, double-blind, sham device-controlled multicenter trial.

KimDermatol Surg2013
positiveHuman

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

WikramanayakeLasers Med Sci2012655nm
positiveMouse

Narrow-band red LED light promotes mouse hair growth through paracrine growth factors from dermal papilla.

FushimiJ Dermatol Sci2011638nm
positiveMouse

Types of hair loss and treatment options, including the novel low-level light therapy and its proposed mechanism.

Ghanaat MSouth Med J2010
unclearReview
Back to Full PBM Database

Related Products

Light Therapy Devices

FDA-cleared PBM devices, clinically reviewed

Continue Exploring

Sauna & Heat Therapy

1,945 studies

Cold Exposure

2,784 studies

Join the Discussion

Connect with others researching photobiomodulation. Share protocols, results, and questions.

How to Use This Site

Learn how products, research, protocols, and community connect across the platform.