So, What Exactly Is Red Light Therapy?

We've expanded our in-clinic offerings to better serve your needs, but always by using the incredible capabilities of all things light and laser!" Photobiomodulation" (PBM), commonly referred to as "Red Light Therapy" but also known as "Cold Laser Therapy", "Low Level Laser (Light) Therapy" (LLLT), "Low Power Laser Therapy" (LPLT), and "Soft Laser Biostimulation" is a therapeutic treatment which harnesses the powerful effects of light energy.

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Targeted Treatment with Low Level Laser Therapy

Red Light Therapy: How It Works

In therapeutic applications, such as the treatment of injuries, pain management and reduction, muscle and joint relaxation, and to improve and increase blood circulation, Red Light Therapy is a relatively new yet fast-growing treatment choice. The non-invasive treatment has no known side effects and is praised by doctors, physical therapists, pain specialists, and athletes alike.

Low-level laser (light) therapy (LLLT) is a fast-growing technology used to treat a multitude of conditions that require stimulation of healing, relief of pain and inflammation, and restoration of function. Although the skin is the organ that is naturally exposed to light more than any other organ, it still responds well to red and near-infrared wavelengths. The photons are absorbed by mitochondrial chromophores in skin cells. Consequently electron transport, adenosine triphosphate (ATP) nitric oxide release, blood flow, reactive oxygen species increase and diverse signaling pathways get activated. Stem cells can be activated allowing increased tissue repair and healing.


The Science Behind the Cells

During this procedure, different wavelengths and outputs of low-level light are applied directly to a targeted area. The body tissue then absorbs the light. The red and near-infrared light cause a reaction, and the damaged cells respond with a physiological reaction that promotes regeneration.

Superficial tissue is commonly treated with wavelengths between 600 and 700 nanometers (nm). For deeper penetration, wavelengths between 780 and 950 nm are used.

Although you’ll feel the laser device touching your skin, the procedure is painless and noninvasive. There will be no sound and you’ll feel no vibration or heat. Each treatment typically takes only a few minutes.

Cold Laser Therapy: Insights

Cold laser therapy is low-intensity laser therapy that stimulates healing while using low levels of light. The technique is called “cold” laser therapy because the low levels of light aren’t enough to heat your body’s tissue. The level of light is low when compared to other forms of laser therapy, such as those used to destroy tumours and coagulate tissue.

Surgical and aesthetic lasers heat the tissue being treated. True to its name, cold laser therapy does not.

Cold laser therapy is also known as:

  • Low-Level Laser Therapy (LLLT)

  • Low-Power Laser Therapy (LPLT)

  • Soft Laser Biostimulation

  • Photobiomodulation (PBM)

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The energy stimulates natural reparative, restorative, and healing processes at the cellular level. Different wavelengths of light are applied to target varying concerns. Red Light Therapy specifically uses a combination of red and near-infrared light, to stimulate a number of transformative biological processes.

Minor Injuries & Sprains


Sports medicine and physical therapy practices often use cold laser therapy in the treatment of minor injuries and sprains, such as:

It’s also used to help reduce swelling and promote healing of the joints and soft tissue.



Even dentists use cold lasers to treat inflamed tissues in the mouth and to heal ulcerations. Doctors use it to treat inflammation caused by rheumatoid arthritis (RA) and other chronic autoimmune diseases.


Lasting Aches & Pains


Pain clinics use cold laser therapy to help people with acute or chronic pain from conditions such as fibromyalgia and carpal tunnel syndrome.

Skin Rejuvenation


Cold laser therapy is used to encourage skin rejuvenation. Dermatologists use it to treat various skin problems, including:

Wound Healing


Cold laser therapy is also used to treat difficult-to-heal wounds, including wounds related to diabetes.



Acupuncturists use cold laser therapy for clients who are uncomfortable with needles. The low-level laser beams can stimulate your acupoints the same way needles do, but without piercing your skin.


Future Uses


The potential for new applications for cold laser therapy is virtually limitless. Researchers are studying its use in hopes that it can help treat a variety of ailments and conditions, including: