How red and infrared
light therapy helps with psoriasis?

Written by Marcus G.

Published on August 20, 2023

Psoriasis is a chronic autoimmune skin condition that affects millions of people worldwide. It is characterized by the rapid growth of skin cells, resulting in red, itchy, and inflamed patches on the skin surface. Although there is no cure for psoriasis, various treatment options aim to manage its symptoms and provide relief to affected individuals. One such emerging and promising treatment modality is red and infrared light therapy.

1. Understanding Red and Infrared Light Therapy

Light therapy, also known as phototherapy, involves the use of specific wavelengths of light to treat various skin conditions. Red light therapy, commonly referred to as low-level laser therapy (LLLT), utilizes low-energy red light wavelengths around 630-660 nanometers, while infrared light therapy harnesses infrared wavelengths between 800 and 1000 nanometers.

2. Mechanism of Action

Both red and infrared light therapy work through a process called photobiomodulation, which involves the absorption of light energy by the skin cells. When the light penetrates the skin, it reaches the mitochondria, the energy-producing powerhouses of cells. This interaction leads to various cellular responses, including increased cellular metabolism and the release of anti-inflammatory mediators and growth factors. In the case of psoriasis, the targeted photobiomodulation helps alleviate inflammation and promote healing.

3. Benefits of Red and Infrared Light Therapy for Psoriasis

Anti-Inflammatory Effects:

One of the hallmark features of psoriasis is inflammation. Clinical trials have shown that red and infrared light therapy can effectively reduce inflammation in psoriatic lesions. The therapy decreases the production of pro-inflammatory cytokines while increasing the secretion of anti-inflammatory cytokines, providing relief to affected individuals.

Improved Cellular Function:

Red and infrared light therapy enhances cellular metabolism through the increased production of ATP (adenosine triphosphate), the energy currency of cells. This boost in cellular energy aids in skin regeneration and repairing damaged tissues, leading to a decrease in psoriatic symptoms.

Modulation of Immune System:

Psoriasis is an autoimmune disease, where the immune system mistakenly attacks healthy skin cells. Light therapy helps regulate the immune system by decreasing the activity of immune cells responsible for triggering inflammation in psoriatic lesions. This immune modulation promotes balance within the immune system and reduces the severity of psoriasis symptoms.

Pain and Itch Relief:

Psoriasis is often accompanied by uncomfortable symptoms such as itching, pain, and irritation. Red and infrared light therapy has shown to alleviate these symptoms by reducing itch intensity, improving overall skin comfort, and providing a sense of relief to patients.

Non-Invasive and Side Effects:

One of the significant advantages of light therapy is its non-invasive nature. Unlike systemic medications or invasive treatments, red and infrared light therapy has minimal side effects. It is a safe and well-tolerated option for individuals of all ages, including pregnant women.

4. Conclusion

Red and infrared light therapy holds immense promise as a non-invasive, side-effect-free treatment option for psoriasis. Its ability to reduce inflammation, modulate the immune system, and promote cellular healing makes it an attractive therapy for people suffering from this chronic skin condition. While further research and clinical studies are needed to optimize treatment protocols and fully understand its long-term effects, red and infrared light therapy offers a beacon of hope for those with psoriasis, opening up new avenues for managing and improving their quality of life.