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Infrared vs red light therapy: what’s the difference and which should you be using for your skin?
Infrared vs red light therapy ... which affects how deeply it can penetrate into skin and beyond. Red light therapy, for example (which is on the visible light spectrum), works mostly at the ...
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St. Paul’s infrared saunas: What are the benefits and who should use them?
Infrared light as a form of therapy was initially explored in the 1880s by Dr. John Harvey Kellogg (yes, like the cereal). The history of far-infrared sauna technology dates back to 1965 Japan ...