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by Wei Xuan Huang 09 Nov 2022


Red light therapy is a natural, non-invasive, science-backed treatment for a variety of skin and deep tissue conditions. But it has numerous other benefits to health and wellbeing.

The following sections discuss the benefits of red light therapy as well as its uses and benefits.

Red light therapy treats mitochondrial dysfunction, increases collagen production, boosts circulation, reduces inflammation, relieves joint and back pain, helps with exercise recovery, and a host of other things, including reducing the signs of aging. But, let’s start with a definition.     

What is Red Light Therapy?

Red light therapy is a treatment that involves shining red and/or near-infrared (NIR) light onto bare skin to stimulate healing at the cellular level. 

The term “red light therapy” is often used interchangeably with several other terms, including:

  • NIR light therapy
  • Infrared therapy
  • Photo biomodulation therapy
  • Low-level light therapy (LLLT)
  • LED therapy, which refers to the LED (light-emitting diode) bulbs in red light therapy devices.

Another term that is often used to refer to red light therapy is low-level laser therapy, but this treatment is different.

With commercial LED panels, red light therapy device treatment is now much more affordable, accessible, and can be done at home, resulting in the same benefits for many that are often discovered in clinical trials. 


How Red Light Therapy Works 

Understanding the effects of red light therapy begins with the age-old concept that light has the amazing power to heal.

For thousands of years, natural sunlight “or heliotherapy” has been used for healing, although exactly how that healing came about was not well understood. 


The Healing Power of Red Light Therapy Wavelengths 

Today, scientists know that specific wavelengths of light have unique and beneficial effects on the human body. Red wavelengths range from 620 to 750 nanometers (nm), and near-infrared (NIR) wavelengths range from 780 to 1200 nm. 

Decades of research have shown that the greatest amount of positive biological effects on the human body are achieved with red light between 630 and 660 nm, and NIR light between 810 and 850 nm. This is known as the “therapeutic window.”

Red wavelengths absorb into skin tissue and to a lesser extent, the subcutaneous tissue. This makes red light therapy a great option for treating all kinds of skin conditions from chronic skin disorders to skin rejuvenation.

Why has Red Light Therapy Usage Become More Popular?

In recent years, red light therapy has soared in popularity. There are likely a number of reasons for this, one of which is many people’s growing desire to pursue natural therapy options.

Another reason for red light therapy’s growing usage is its ability to heal at the cellular level – meaning it addresses the cause of many chronic conditions rather than merely treating symptoms. Red/NIR light does this by correcting four key mechanisms: mitochondrial dysfunction, low collagen production, poor circulation, and chronic inflammation. 

Overall, some of the benefits include: 

  • Improved muscular healing and accelerated recovery
  • Improved recovery from moderate to severe stroke
  • Improved recovery/reduction of neurological damage from traumatic brain injury (TBI)
  • Improvement of psychiatric disorders including anxiety and depression 
  • Reduced recovery and accelerated healing following plastic surgery
  • Accelerated healing and reduced infection
  • An increase of endorphins, which are the body’s natural pain-relieving chemicals
  • Improved bone repair and growth
  • Accelerated return to athletic activity after injury



Many new studies are being published on the efficacy of red and near-infrared light to treat a variety of health conditions, boosting overall wellness and the immune system.

From skin rejuvenation to chronic pain relief to boosting brain health to optimizing peak athletic performance, NIR light can be a powerful addition to your self-care routine.

If you’re ready to get started, explore the most powerful LED light therapy devices(red light therapy panel,red light therapy belt,etc) on the market, for the most comprehensive benefits: the IMOOL products.


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