Infrared glossary
Near Infrared
Near infrared is a part of the light spectrum (invisible wavelengths around 700–1000 nm) able to penetrate deeper into skin, muscle and joints than visible light. In recovery, it's used to support circulation and muscle relaxation after effort.
Frequently asked questions
No, it's invisible to the eye, but its radiant heat is felt.
It's a wavelength known to penetrate tissue well.
Related: light therapy · photobiomodulation. See infrared recovery in Nice.