What Is the Difference Between Red Light Therapy and Infrared?

Light therapy has gained tremendous popularity for its healing and rejuvenating properties, but many wonder: what is the difference between red light therapy and infrared? Understanding these differences can help you choose the best treatment for your skin health, pain relief, or overall wellness goals.

Understanding Red Light Therapy vs. Infrared Therapy

Red Light Therapy uses visible red wavelengths, typically between 620 to 700 nanometers (nm). This light penetrates the skin about 1 to 6 millimeters deep, targeting the epidermis and dermis layers. It primarily stimulates:

• Collagen and elastin production
  
• Skin tone improvement
• Reduction of wrinkles, fine lines, acne, and scars
  
• Surface-level wound healing
  

Red light therapy is favored for anti-aging, skin rejuvenation, and surface healing due to its ability to promote cellular repair near the skin’s surface.

Infrared Therapy, specifically near-infrared (NIR) light, operates at longer wavelengths ranging from 800 to 1500 nm. This light is invisible to the human eye and penetrates much deeper—up to 4 to 5 centimeters (40-50 mm)—reaching muscles, joints, and connective tissues. It is most effective for:

• Reducing inflammation 
• Relieving deep muscle and joint pain
  
• Enhancing muscle recovery
  
• Supporting joint and bone health
  

Because of its deeper penetration, infrared therapy is ideal for pain relief, inflammation reduction, and deep tissue healing.

Can You Use Both Together?

Yes! Many modern therapy devices combine red and near-infrared light to provide comprehensive healing. This dual approach allows you to target both surface-level skin concerns and deeper muscular or joint issues in one session, maximizing benefits.

Quick Comparison Table