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Red Light

type of lighting

Definition of Red Light

It’s lighting that emits low wavelengths of red or near-infrared light from light-emitting diodes (LEDs).

Red light typically has a maximum length of 650 nm and can penetrate about 4 mm into the skin. On the other hand, near-infrared light ranges between 600 and 980 nm and penetrates up to 5 mm in the skin.

They stimulate mitochondria cells and are associated with the following benefits:

  • Increases energy levels
  • Improves oxygen delivery
  • Reduces inflammation
  • Promotes wound healing

penetration of different colors of light in the skin

Example of “Red Light” in a Sentence

The soft glow of red light adds a touch of warmth to your sauna session

Synonyms: Low-level Light Therapy (LLT), Photobiomodulation, Cold-Laser Therapy

Related Terms for Red Light