The Wavelengths of Red Therapy Light

The Wavelengths of Red Light

The term 'red light therapy' often includes wavelengths in both the visible spectrum of light and the invisible spectrum of light. The visible spectrum is from 630 to 660 nanometers, whereas the invisible infrared spectrum is from 810 to 850 nanomeneters. This is considered near-infrared. What all these wavelengths have in common is that they fall into what is known as the 'therapeutic window.' This means they have the power to treat specific conditions.

 'Red light therapy' is also referred to as 'low-level light therapy' (LLLT) and 'photobiomodulation' (PBM).Technically, both NIR and IR light therapy fall into the same category of invisible infrared wavelengths in the electromagnetic spectrum. You may also see the acronym LLLT in reference to low-level laser therapy. In this treatment, the wavelengths and benefits are the same but the delivery is different. As the name implies, low-level laser therapy uses low-level lasers, whereas red light therapy utilizes red LED lights. A large body of scientific research suggests wavelengths in the red/NIR electromagnetic scale can safely deliver a variety of health benefits, without adverse effects.