RedLightLog guides
Red light therapy, explained by what the trials measured
How often, how long, which wavelength, what dose, and what to expect by goal. Every guide names its trials, grades the evidence and ends with what to do for the next four weeks.
basics
Red Light Therapy Dosage: Joules, Irradiance and Distance
Red light therapy dosage explained: the J/cm2 formula, what irradiance means, how distance changes the dose, and the ranges reviews and trials used by goal.
skin
Red Light Therapy for Scars: What the Studies Show
Red light therapy for scars: the three-patient 805 nm case series, the wound-healing evidence, acne scars vs raised scars, keloid cautions and a protocol.
results
Red Light Therapy Before and After: What Changes and When
What red light therapy trials measured before and after, how big the changes were and over how many weeks, why online photos mislead, and how to take your own.
basics
Infrared vs Red Light Therapy: Wavelengths and Uses
Red light (600 to 700 nm) vs near-infrared (770 to 1200 nm): what each reaches, which the skin, hair and scar trials used, and why a sauna is different.
basics
How Often to Do Red Light Therapy: Frequency by Goal
What the skin, hair, pain and sleep trials did each week, how many weeks they ran, why more sessions is not better, and a four-week plan for your device.