Red Light Therapy: What It Is & Why People Use It

What It Is

Red light therapy, also called photobiomodulation or low-level light therapy, involves exposure to specific wavelengths of red and near-infrared light. These wavelengths, typically between 600 and 900 nanometers, penetrate the skin and are absorbed by cells, particularly in the mitochondria.

Red light therapy devices range from small handheld units to full-body panels. They emit non-thermal light, meaning they do not produce heat in the way that infrared saunas or heat lamps do.

Why It Matters

Red light therapy has been studied for its potential effects on skin appearance, muscle use, and cellular energy production. Research explores how it may relate to collagen production and the appearance of fine lines.

People use red light therapy for a variety of wellness routines, including skincare, post-workout use, and general wellness practices. It's commonly used in clinical settings, spas, and at home.

How It Works (High-Level)

Red and near-infrared light are absorbed by mitochondria, the energy-producing structures in cells. This absorption may stimulate the production of adenosine triphosphate (ATP), which is the primary energy currency of cells.

Increased ATP production is associated with cellular function. The exact mechanisms are still being studied, and current research explores how red light therapy may influence cellular metabolism.

How People Commonly Use It

People commonly use red light therapy by sitting or standing in front of a light panel for 10 to 20 minutes per session, several times per week. Some use handheld devices for targeted areas like the face, joints, or muscles.

Red light therapy is often incorporated into skincare routines, post-exercise routines, or general wellness practices. It's not a replacement for medical treatment or professional advice.

Safety & Quality Considerations

Red light therapy is generally considered safe when used as directed. It does not emit UV radiation and does not cause burns or skin damage when used at appropriate distances and durations.

Quality varies by device. Key factors include wavelength accuracy, light intensity (measured in milliwatts per square centimeter), and irradiance uniformity. Devices should provide clear specifications and be tested for safety and performance.

As with any wellness tool, individual experiences vary. Some people report noticeable changes, while others experience minimal difference. Consistency and proper usage are important for those who choose to use red light therapy.

Why Halo Curates This Category

Halo curates red light therapy products because they align with our focus on science-informed, non-invasive wellness tools. Red light therapy offers a practical approach to skincare and wellness routines without chemicals, heat, or invasive procedures.

We prioritize devices that meet quality standards for wavelength accuracy, intensity, and safety, and we provide education so customers understand how to use them effectively.