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  • Writer's pictureLisa Chadsey

The Different Wavelengths of Light Therapy

Updated: Sep 22, 2022

What are the different types of light therapy?

What exactly is light therapy? (Aka, Low-Level Light Therapy)

The work that I do for all of you is known by many different names; Low-Level Light Therapy, Light Therapy, Photobiomodulation, Polychromatic Therapy, the list goes on!

You’re probably thinking, ‘Yes, but what exactly is light therapy?’ Allow me tell you more.

The light therapy work I do involves the absorption of targeted red, blue, and near-infrared light energy into the body. This process “enhances mitochondrial ATP production, cell signaling, [cell growth], and [reduces] oxidative stress.” (Article 2)

Basically, light therapy focuses on the stimulation of healing, relieves pain & inflammation, and restores your body to a healthy functioning state through the use of very specific light wavelengths.

What is Red Light?

Red light is one of the three main light colors that are used when you step into my practice for Light Therapy. The red light penetrates from ½ an inch to 1 inch into your body. This allows the light to speak to your muscles, tendons, ligaments, tissue, and even cartilage. This light allows for an increase in blood flow and it also helps by increasing the function of your mitochondria so that a cell can produce more ATP.

Now if you’re wondering, what is ATP? I can help you with that! ATP is our primary carrier of energy within cells. ATP stands for Adenosine Triphosphate. It’s an awesome molecule that allows our body to have the energy it needs to function. It helps us to heal by accelerating the passage of ATP throughout our body.

What can Red Light Therapy help with (Article 3):

  • Wound healing

  • Reduce cancer side effects

  • To relieve pain and inflammation associated with ankle tendonitis, rheumatoid arthritis, carpal tunnel syndrome

  • To prevent cold sores

  • Reduce stretch marks

  • Reduce wrinkles, fine lines and age spots

  • Improve psoriasis, rosacea and eczema

  • Improve scars & sun-damaged skin

  • Improve acne

What is Blue Light?

Now, for a lot of you, you have heard of all the different kinds of blue light out there. You’ve heard of TV blue light and computer blue light. This is a completely different kind of blue light, so bear with me on this.

With light therapy, blue light targets our cells and natural responses to help reduce our susceptibility to disease and illness. It also helps to treat skin disorders, specifically helping with skin texture and the reduction of enlarged oil glands. This is where blue light is your friend. It also helps to reduce sunspots, which I can attest to, acne, and scars that were originally caused by acne.

Beyond physical symptoms, Blue light therapy can also be used for depression and anxiety which I can also speak to. Blue light is amazing in helping the balance of hormones, and what is called SAD (Seasonal Affective Disorder.)

What are things that blue light can help with? (article 4):

  • It can help with removing sun spots, acne, and even scars that were originally caused by acne

  • Produces collagen

  • Depression

  • Skin cancer prevention

  • Treat premalignant or malignant skin cancer growths

  • Trigger an immune system defense

  • It’s especially effective when treating major depressive disorder with seasonal patterns, formerly known as seasonal affective disorder (SAD)

What is Infrared Light?

Infrared light therapy has many roles in the human body, and these include detoxification, pain relief, reduction of muscle tension, improved circulation, weight loss, skin purification, and more. It is such a powerful healing modality for so many different things!

What makes this wavelength so special?

“Light in the infrared range of the spectrum can penetrate more deeply to reach muscle tissue and nerves. Infrared light has a longer wavelength than red or blue light, so they are best suited to reach deep inside the body’s muscles and give nutrients to the bones. As the muscle’s cells absorb energy from infrared light, they become more active and increase blood flow.” (Article 5)

This increase in blood flow reduces inflammation and supports the natural regeneration of your cells. Your body won’t reject infrared light. It gives the cells the energy it needs to heal itself. It’s beautiful!

Things that Infrared Lights Help With:

  • Orthopedic things like injuries, arthritis, tendonitis, muscle pain

  • Addresses dementia

  • Heal head injuries

  • Improve psychiatric disorders

  • Lowered side effects of diabetes

  • Boosting the immune system

  • Lowering blood pressure

All of these different wavelengths come together to make healing your body naturally a breeze. I’m so amazed at how light therapy can change your life for the better and I can’t wait to teach you more!


If you want to learn more about Light Therapy & my Light Therapy work, you can follow me with the links below, or email me at - thank you for reading!

Instagram | Lightswithlisa

Facebook | Light Matters Therapy

Youtube | Lights With Lisa

Here are the articles I've referenced above:

  • Article 1:

  • Article 2:

  • Article 3:

  • Article 4:

  • Article 5:

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