research Cardio-light: nitric oxide uncaged
Low-level laser therapy using near-infrared light may help heart conditions and promote healing by releasing nitric oxide.
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research Light-emitting diode photobiomodulation in dermatology: From professional systems to consumer devices — mechanisms, efficacy and safety
Light-emitting diode (LED) photobiomodulation (PBM) is a safe and promising treatment in dermatology, showing moderate efficacy for conditions like inflammatory acne, photoaging, and androgenetic alopecia. Red and near-infrared (NIR) light can improve skin texture and reduce wrinkles, while low-level light therapy (LLLT) significantly increases hair density in androgenetic alopecia. However, consumer devices often have lower irradiance and fluence, leading to limited efficacy. The review highlights the need for standardization of device parameters and high-quality trials, especially for consumer devices, to better establish their clinical benefits. LED therapy is generally supportive rather than primary, with a favorable safety profile and mild, transient adverse effects.
research Enhancement of skin rejuvenation and hair growth through novel near-infrared light emitting diode (nNIR) lighting: in vitro and in vivo study
Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
research Illuminating microflora: shedding light on the potential of blue light to modulate the cutaneous microbiome
Blue light might help treat skin conditions by affecting the skin's bacteria.
research Low-level light therapy and hair loss
Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
research Wnt/β‐catenin and ERK pathway activation: A possible mechanism of photobiomodulation therapy with light‐emitting diodes that regulate the proliferation of human outer root sheath cells
LED light therapy may help hair growth by activating certain cell pathways.
research 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
LED light can help hair growth by activating specific cell pathways.
research 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
Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
research Near Infrared (NIR) Light Therapy of Eye Diseases: A Review
NIR light therapy may effectively treat eye diseases and improve brain function without side effects.
research The Nuts and Bolts of Low-level Laser (Light) Therapy
Low-level Laser Therapy may help reduce inflammation, pain, and aid healing, but more research is needed to confirm its effectiveness and establish standard treatment guidelines.
research Light scattering from human hair fibers
Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.
research Light scattering from human hair fibers
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
research Manifestation of Hyperandrogenism in the Continuous Light Exposure-Induced PCOS Rat Model
Continuous light exposure in rats leads to PCOS-like symptoms and suggests sleep habits might affect the disorder's development.
research Hair removal using a pulsed-intense light source.
Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
research Shedding Light on Acne Scars: A Comprehensive Review of CO2 vs. Erbium-Doped Yttrium Aluminium Garnet (Er:YAG) Laser Therapy
CO2 lasers are better for severe acne scars, while Er:YAG lasers are gentler with fewer side effects.
research At-Home Laser and Light-Based Devices
At-home laser and light devices can safely reduce acne and hair growth when used correctly but are less effective than professional treatments.
research Androgenetic Alopecia: A Study on The Efficacy of a Combined Protocol of Blue Light Photobiomodulation and Subcutaneous Infiltrations of Biomimetic Peptides
The combined treatment increased hair density in most patients with Androgenetic Alopecia.
research Effect of Polarized Light Therapy on Hair Regrowth in Alopecia Areata
Polarized light therapy helps hair regrowth in alopecia areata patients.
research Light-Emitting Hair Follicles: Studying Skin Regeneration With In Vivo Imaging
Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.
research The dark art of light measurement: accurate radiometry for low-level light therapy
Most low-level light therapy studies did not accurately report how light was measured, affecting treatment reliability.
research Analyzing the laser‐light reflection from human hair fibers. II. Deriving a measure of hair luster
The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
research Studies of light scattering from ethnic hair fibers
Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
research Low-level light therapy (LLLT) for cosmetics and dermatology
Low-Level Light Therapy is effective for skin rejuvenation, wound healing, and hair growth, with mild side effects.
research Efficacy and Safety of a Low-Level Light Therapy for Androgenetic Alopecia: A 24-Week, Randomized, Double-Blind, Self-Comparison, Sham Device-Controlled Trial
Low-level light therapy safely improves hair coverage, thickness, and count in androgenetic alopecia patients.
research The use of low-level light therapy in the treatment of androgenetic alopecia and female pattern hair loss
Low-level light therapy may help hair regrowth, but more research is needed.
research Proposed mechanisms of low-level light therapy in the treatment of androgenetic alopecia
LLLT helps treat hair loss by increasing blood flow, reducing inflammation, and stimulating growth factors.
research Low-level light therapy using a helmet-type device for the treatment of androgenetic alopecia
Helmet-like device safely increases hair density for people with hair loss.
research Comparison of low-level light therapy and combination therapy of 5% minoxidil in the treatment of female pattern hair loss
Combination therapy works best for female hair loss, increasing density and thickness.
research Low Level Laser and Light Therapy
Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
research A Review of Hand-Held, Home-Use Cosmetic Laser and Light Devices
Home-use cosmetic laser and light devices show modest results for hair removal and acne treatment, but more research is needed for confirmation.