While they may emit a certain amount of red and NIR light, they also emit all other wavelengths on the visible light spectrum. ![]() This is something that incandescent, fluorescent, and halogen lights simply cannot do. Red light therapy works by delivering concentrated wavelengths of red and near-infrared light directly into the skin. The first step to developing a discerning eye for red light therapy devices is to understand the difference between the various types of bulbs that exist on the market.
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