By Aliki Chatzilias, MSc.
Clinical Biochemist/Medical Researcher

Psoriasis and eczema are chronic skin conditions that can significantly impact a person's quality of life. However, there is promising research on the effectiveness of LED light therapy as a treatment option for managing the symptoms of these conditions. 

LED light therapy, also known as phototherapy, utilizes light-emitting diodes to deliver specific wavelengths of light to the skin. This therapy has gained attention due to its non-invasive nature and potential benefits. This article explores the role of LED light therapy in treating psoriasis and eczema, highlighting its mechanisms of action, effectiveness, and practical considerations.


Understanding Psoriasis and Eczema

Psoriasis is an autoimmune disease characterized by red, scaly patches on the skin. It occurs when the immune system mistakenly attacks healthy skin cells, causing rapid turnover and inflammation. Eczema, on the other hand, refers to a group of chronic skin conditions that cause itchiness, redness, and inflammation. The exact cause of eczema is not fully understood, but it is thought to involve a combination of genetic and environmental factors. 

Both psoriasis and eczema can have a significant impact on individuals' physical and psychological well-being. Current treatment options for these conditions include topical creams, oral medications, and systemic therapies. However, these approaches may have limitations, such as potential side effects and incomplete symptom relief.

What is LED Light Therapy?

LED light therapy involves the use of light-emitting diodes to deliver specific wavelengths of light to the skin. LED devices emit low-level light energy that is absorbed by cells in the skin. This energy stimulates cellular processes and triggers various beneficial effects. LED therapy utilizes different wavelengths, such as red, blue, and near-infrared light, each with unique properties and therapeutic benefits. 

Red light, for instance, has been shown to promote collagen production and skin rejuvenation, while blue light possesses antibacterial properties and helps reduce inflammation. Near-infrared light penetrates deeper into the skin and aids in cellular repair and regeneration. LED light therapy is non-thermal and non-ablative, making it a safe and gentle treatment option for various skin conditions.


Effectiveness of LED Light Therapy for Psoriasis and Eczema

Several research studies and clinical trials have demonstrated the effectiveness of LED light therapy in managing the symptoms of psoriasis and eczema. A randomized controlled trial published in the Journal of Dermatological Treatment showed that patients with psoriasis who received LED therapy experienced a significant reduction in scaling, erythema, and itchiness compared to a control group. 

Similarly, a study published in Photodermatology, Photoimmunology & Photomedicine found that LED therapy resulted in improved symptoms and increased quality of life in individuals with eczema. LED light therapy has been shown to reduce inflammation, promote wound healing, and modulate immune responses in the skin, making it an attractive treatment option for these conditions.

How Does LED Light Therapy Work for Psoriasis and Eczema?

LED light therapy also plays a role in reducing inflammation and itchiness associated with psoriasis and eczema. The red and bear-infrared wavelengths of light used in LED therapy have been shown to modulate inflammatory mediators and cytokines in the skin, leading to a decrease in redness, swelling, and itching. 

Furthermore, LED therapy promotes the production of collagen and elastin, essential components of healthy skin. This collagen-stimulating effect helps to improve the overall appearance and texture of the skin, reducing the visibility of psoriasis plaques and eczema patches.

Another benefit of LED light therapy is its ability to enhance the effectiveness of topical medications. The light energy from LEDs can improve the absorption and penetration of topical treatments into the skin. 

This synergy between LED therapy and medications allows for a more targeted and efficient delivery of active ingredients, resulting in better therapeutic outcomes. LED therapy can also serve as a complementary treatment option to other modalities, such as oral medications or systemic therapies, providing a multi-faceted approach to managing psoriasis and eczema.


Practical Considerations for LED Light Therapy

LED light therapy for psoriasis and eczema can be administered both professionally in clinical settings and at home using portable LED devices.

Professional LED treatments are typically performed by dermatologists or trained professionals and offer a more intensive and controlled approach. On the other hand, at-home LED devices provide convenience and flexibility for individuals to incorporate therapy into their daily routines. 

When considering LED therapy, it is important to consult with a healthcare professional to determine the most suitable treatment option based on the severity of the condition, individual needs, and lifestyle.

The duration and frequency of LED therapy sessions may vary depending on the specific device and treatment protocol. Generally, LED sessions last between 10 to 30 minutes, and multiple sessions per week are recommended for optimal results. It is essential to follow the manufacturer's guidelines and recommendations provided with the LED device to ensure safe and effective treatment. Additionally, individuals should consider the cost implications of LED therapy, as it may require an upfront investment in purchasing the device or ongoing expenses if opting for professional treatments.


Tips for Using LED Light Therapy at Home

Using LED light therapy at home requires careful adherence to guidelines and best practices to maximize its benefits. Here are some tips for a safe and effective at-home LED treatment:

  • Skin Preparation: Cleanse and dry the skin before each treatment session to remove any makeup, dirt, or oil that may interfere with the penetration of light.
  • Eye Protection: Wear protective goggles or close your eyes during the treatment to shield them from the bright LED light.
  • Proper Distance and Positioning: Follow the instructions provided with the LED device to maintain the recommended distance between the device and the skin. This ensures optimal light exposure and minimizes the risk of adverse effects.
  • Consistency and Patience: LED therapy is not an instant solution. Consistent and regular use over time is necessary to achieve noticeable improvements. Be patient and committed to the treatment regimen.
  • Aftercare: After each LED session, apply a moisturizer or a recommended skincare product to nourish and hydrate the skin. This helps to maintain the skin's moisture barrier and support its healing process.

Monitoring and tracking your progress is essential. Take photos before starting the LED therapy and at regular intervals to document any changes in your skin condition. Keeping a treatment journal or diary can also help track improvements in symptoms, such as redness, scaling, or itchiness.


Potential Risks and Precautions

Some individuals may be more sensitive to light or have underlying medical conditions that could contraindicate the use of LED therapy. It is important to consult with a healthcare professional before starting LED treatment, especially if you have a history of photosensitivity, light-triggered seizures, or are taking medications that increase sensitivity to light.

Although rare, potential side effects of LED therapy may include temporary redness, mild irritation, or dryness of the treated skin. These effects are usually mild and transient. However, if you experience any persistent or severe adverse reactions, discontinue the treatment and consult a healthcare professional.

Individuals with specific skin conditions, such as open wounds, infections, or active skin cancers, should avoid using LED therapy on affected areas. LED light therapy is intended for managing psoriasis and eczema symptoms and is not a substitute for medical treatment. It is crucial to follow your healthcare provider's recommendations and continue any prescribed medications or treatments alongside LED therapy.



LED light therapy has emerged as a promising treatment option for individuals suffering from psoriasis and eczema. Through its immune-modulating, anti-inflammatory, and skin-rejuvenating properties, LED therapy offers a non-invasive and effective approach to managing the symptoms of these chronic skin conditions. Whether administered professionally or used at home, LED therapy can provide relief, improve skin appearance, and enhance the overall quality of life for those affected by psoriasis and eczema.

As research and technology advance, LED therapy is likely to continue evolving, potentially leading to even more targeted and personalized treatments in the future. By considering the practical aspects of LED therapy, adhering to treatment guidelines, and consulting with healthcare professionals, individuals can explore the benefits of this innovative therapy to better manage their psoriasis and eczema symptoms.

In conclusion, LED light therapy holds great promise as a complementary treatment modality for individuals with psoriasis and eczema. By harnessing the power of specific wavelengths of light, LED therapy offers a safe, non-invasive, and effective means of reducing inflammation, promoting skin healing, and improving overall skin health. 

Whether seeking professional treatments or utilizing at-home LED devices, individuals can take advantage of this emerging therapy to manage their skin conditions and enhance their well-being. With continued research and advancements, LED light therapy has the potential to revolutionize the treatment landscape for psoriasis and eczema, offering hope and relief to millions of people worldwide.