Blog: Guides, Science and Evidence Updates (Page 3)
Every article on the index, newest first. 200 articles.
Photobiomodulation for Dry Macular Degeneration
Grade Limited. A sham-controlled clinic trial and a 2008 laser case series, both on ophthalmic devices under supervision, and why neither is a home-panel protocol.
Study Review: Two Meta-Analyses of Light for Foot Ulcers
A 2018 and a 2021 meta-analysis pooled randomized trials of low-level laser for diabetic foot ulcers. Results, limits, and the gap between a clinic laser and a home panel.
Where Red Light Fits in a Skincare Routine
Put red light on clean, bare skin and apply products afterward. Why that order makes sense, how retinoids and sunscreen fit in, and what no trial has tested.
Red Light Therapy for Diabetic Foot Ulcers: Clinic Evidence
Two meta-analyses of randomized trials link low-level laser to faster diabetic foot ulcer healing, with very low certainty. What was tested, and why a home panel is no substitute.
Red Light Therapy for Chemotherapy-Induced Neuropathy
One sham-controlled trial of 70 patients and one tumor-safety review. What each reported, what was not studied, and why oncology coordination comes first.
Study Review: Blue and Red LED for Acne, Phototype IV (2007)
A 2007 trial of 24 patients with skin phototype IV used alternating blue and red LED twice a week for 4 weeks. Design, results, limits and what it means for a panel.
State of the Red Light Panel Market 2026
Price bands, wavelength counts, disclosure rates, 1064nm adoption and warranty terms across 41 brands and 188 devices, taken from the index database in 2026.
Red Light Therapy for Carpal Tunnel Syndrome
Evidence grade Limited for low-level laser in carpal tunnel syndrome, what the 2018 systematic review found, what was not studied, and what it means for a panel.
940nm Near-Infrared: The Less Common NIR Band
What 940nm is, where it sits against 850nm and 1064nm, what the muscle soreness evidence says about it, and which database panels include the band.
Skin Phototype and Red Light Dosing: Does Tone Change It?
Melanin competes for red light in the upper skin layers. What the skin reviews and the phototype IV acne trial say, and cautious guidance for home dosing.
Red Light Therapy for Shoulder Tendinopathy
Evidence grade Limited to Moderate for laser in shoulder tendinopathy, what the 2015 meta-analysis covered, what was not studied, and what it means for a panel.
Duty Cycle and Pulse Frequency on Red Light Panels
Pulse frequency is how often a panel's LEDs switch on per second; duty cycle is how long each pulse stays on. Here is how both change average dose.
BON CHARGE Alternatives Compared by Size and Price
Seven panels to weigh against the BON CHARGE Demi, Max and Super Max, matched on size and price, with irradiance method, warranty and return terms.
Red Light Therapy for Hypothyroidism: One RCT, Much Caution
Evidence grade Limited. One randomized trial of an 830 nm laser over the thyroid, a long-term follow-up, and why a home panel is not that device.
Study Review: 830 nm Laser in Hashimoto Hypothyroidism
A review of the Hofling 2013 placebo-controlled trial of an 830 nm laser over the thyroid, its parameters, results, limits and what it means for a home panel.
Best Red Light Panels for Seniors and Older Adults
Four panels compared on simple controls, stand and mounting, near-infrared share for joints, price, warranty and trial terms, plus the trials that apply to older users.
Hair Growth Cap vs Red Light Panel for Hair Loss
The sham-controlled hair trials used a head-worn 655nm device at a fixed distance. How a flat panel differs on contact, hair shielding and dosing.
How Long Do Red Light Panels Last? LED Hours
What a 50,000 or 100,000 hour LED rating means, why heat decides real-world output, and what warranty terms tell you about how long a panel lasts.
Hooga Alternatives: Stepping Up From a Budget Panel
Five panels to consider after a Hooga, matched on size and price, with wavelength mix, irradiance method, warranty and return terms from the database.
Study Review: Mester's Lasers (1971) to NASA's LEDs (2001)
Two historical papers behind photobiomodulation, an early laser wound-healing report and a NASA LED review, and what they do and do not say about home panels.
Red Light Therapy for Scars: Case Series and Collagen
Grade Limited. One small case series on hypertrophic scars and keloids, plus collagen findings from skin trials. No stretch-mark trial was found.
Red Light Therapy vs SAD Lamps: Not the Same Thing
SAD lamps use bright white light measured in lux at the eyes; red panels use red and near-infrared light measured in mW/cm2 at the skin. Here is the difference.
Best Portable and Travel Red Light Devices
Compact red light panels compared on footprint, power source, method-labeled irradiance, price, warranty and trial terms, using database fields only.
Study Review: Penetration Modeling by Wavelength (2017)
A 2017 computer simulation of light in skin found depth rose with wavelength and that beams wider than about 10 mm added little. What it can and cannot say.