What is red light therapy?

Red light therapy, also known as low-level laser therapy (LLLT) or photobiomodulation (PBM), is a non-invasive treatment modality that utilizes specific wavelengths of red and near-infrared light to stimulate cellular function. These wavelengths, typically in the range of 600 to 850 nanometers, penetrate the skin to a depth of approximately 5 millimeters, where they are absorbed by mitochondria, the energy-producing organelles within cells. Once absorbed, red and near-infrared light initiate a series of photochemical reactions that increase cellular energy production, promote tissue repair, reduce inflammation, and modulate oxidative stress. This therapeutic approach has garnered significant attention for its diverse applications in dermatology, pain management, wound healing, and overall wellness.

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