What is red light therapy?
A practical introduction to photobiomodulation: what the light is, what the evidence says, and what it does not.
Read the complete guideClear answers on how red light therapy works, how to use it, and which device fits your goals.
Start with the fundamentals, then explore wavelength, dose, practical routines, and device comparisons. We separate what the research suggests from what it has not established.
Understand the basics before you compare wavelengths or products. These guides answer the questions most people ask first.
A practical introduction to photobiomodulation: what the light is, what the evidence says, and what it does not.
Read the complete guideFind the right guide without digging through years of posts. These links lead to articles already published on Hooga.
Move from research to the format that best fits your routine, treatment area, and space.
New articles remain easy to find. Explore the archive in publication order or return to the curated guides.
Updated October 2026 Knee pain is where the research on red light therapy is most encouraging, and also...
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Updated August 28, 2026 Blue LED mouthpieces are everywhere, and most of them make the light look like...
Learn how to safely add a sauna-rated red light therapy panel to a traditional or infrared sauna, including...
Content on this page is provided for educational purposes about general wellness practices.