BioThalis Blog

Red light therapy (RLT), also known as photobiomodulation, is an emerging treatment that uses low levels of red and near-infrared light to improve various aspects of health. This therapy involves exposing the body to specific wavelengths of red light, typically between 630 and 700 nanometers, which can penetrate deep into the skin and tissues.

How it Works

Red light therapy works by acting on the mitochondria, the “power plants” within our cells. The light stimulates these mitochondria, leading to increased energy production (ATP) and improved cell function. This, in turn, can lead to a range of benefits, including:

• Skin Health: RLT can boost collagen production, reduce wrinkles and fine lines, and improve overall skin tone and texture. It may also help with conditions like acne, scars, and psoriasis.
• Pain Relief: Red light can reduce pain and inflammation associated with conditions like osteoarthritis, fibromyalgia, and neuropathy.
• Wound Healing: RLT can accelerate wound healing by stimulating blood flow and tissue repair.
• Hair Growth: Some studies suggest that RLT can stimulate hair follicles and promote hair growth.
• Muscle Recovery: It may aid in muscle recovery after exercise by reducing inflammation and muscle soreness.
• Brain Health: Emerging research suggests potential benefits for cognitive function and in people with dementia.

Scientific Basis

The effectiveness of red light therapy is supported by a growing body of scientific research. For instance, a review article titled “Mechanisms and applications of the anti-inflammatory effects of photobiomodulation” discusses how red and near-infrared light can stimulate healing, relieve pain, and reduce inflammation. Mechanisms and applications of the anti-inflammatory effects of photobiomodulation – PMC

Safety and Considerations

Red light therapy is generally considered safe, with a low risk of side effects. Unlike ultraviolet (UV) light, red light does not cause tanning or increase the risk of skin cancer. However, it’s always best to consult with a healthcare professional before starting any new treatment.