How does red light therapy promote wound healing?

Yes, there are several reports pointing to the wound healing properties of red light therapy. Red light therapy, also known as low-level laser therapy (LLLT) or photobiomodulation, is believed to exert its effects by targeting the mitochondria, often referred to as the “power plant” of the cells. This process increases cellular energy production, thereby enhancing the cells’ ability to perform various functions more effectively. As a result, red light therapy can accelerate skin repair, stimulate the growth of new cells, and promote overall skin rejuvenation. This therapy is used for a variety of applications, including reducing wrinkles, improving skin texture, and treating conditions such as acne and scars, by leveraging the body’s natural healing processes.

Benefits of red light therapy on wounds

Red light therapy offers several benefits for wound healing and they include; 

1. Stimulating cellular activity: Red light therapy stimulates cellular activity and promotes faster healing of wounds, including cuts, burns, and surgical incisions.
2. Reduced Inflammation: It helps to decrease inflammation at the wound site, which can expedite the healing process and reduce discomfort.
3. Increased Circulation: By improving blood flow to the area, red light therapy enhances nutrient and oxygen delivery to the wound, aiding in tissue repair.
4. Collagen Production: It stimulates collagen synthesis, essential for strengthening new tissue formation and reducing the likelihood of scar formation.
5. Pain Relief: Red light therapy has analgesic effects, helping to alleviate pain associated with wounds and injuries.

How to use red light therapy on wounds

Using red light therapy on wounds involves a few key steps to ensure effectiveness and safety:

1. Clean the Wound: Before applying red light therapy, ensure the wound is clean and free from debris or infection. Use sterile saline or an appropriate wound cleanser as recommended by healthcare professionals.
2. Position the Device: Place the red light therapy device at a distance specified by the manufacturer’s guidelines. Typically, it should be positioned a few inches away from the wound for optimal absorption of light.
3. Treatment Duration: Follow the recommended treatment duration. This can vary based on the device and the specific wound characteristics. Start with shorter sessions and gradually increase as tolerated.
4. Direct Exposure: Direct the red light towards the wound area, ensuring that the entire wound receives exposure. Move the device slightly to cover the entire wound if necessary.
5. Frequency of Use: Depending on the severity of the wound and the therapy device’s specifications, treatments may be administered daily or several times a week. Follow the prescribed schedule for optimal results.
6. Monitor Progress: Regularly assess the wound’s healing progress. Consult healthcare professionals if there are any signs of infection or if healing does not progress as expected.

Side effects of red light therapy on wound healing

Red light therapy is generally considered safe and well-tolerated for wound healing purposes. However, like any treatment, there are potential side effects to be aware of:

1. Skin Irritation: In some cases, red light therapy might cause mild irritation or redness around the treated area. This is typically temporary and resolves on its own.
2. Overheating: Prolonged exposure or using a device with too high intensity may lead to overheating of the skin, which can potentially delay healing or cause discomfort.
3. Hyperpigmentation or Hypopigmentation: Although rare, excessive or improper use of red light therapy may lead to changes in skin pigmentation around the wound area.
4. Eye Sensitivity: Direct exposure of the eyes to red light can cause sensitivity or discomfort. It’s crucial to wear appropriate eye protection as recommended by the device manufacturer.
5. Infection Risk: If the wound is not properly cleaned or if devices are not sanitized between uses, there could be a risk of introducing infection.
6. Interaction with Medications: Red light therapy may interact with certain medications or conditions. Always consult with a healthcare professional before starting treatment, especially if you have underlying health concerns or are taking medications.

Frequently asked questions