Frequently Asked Questions (FAQ)

Welcome to our FAQ page! Here you'll find answers to common questions about red light therapy and our high-quality red light therapy panels. If you don't find what you're looking for, please don't hesitate to contact us.

Understanding Red Light Therapy

What is Red Light Therapy?
Red light therapy (RLT), also known as photobiomodulation (PBM) or low-level laser therapy (LLLT), is a therapeutic technique that uses specific wavelengths of red and near-infrared light to stimulate cellular function. These wavelengths penetrate the skin and are absorbed by the mitochondria in your cells, leading to a cascade of beneficial biological effects.

How Does Red Light Therapy Work?
When red and near-infrared light is absorbed by the mitochondria, it helps to increase ATP (adenosine triphosphate) production, which is the energy currency of the cell. This enhanced cellular energy can lead to improved cellular repair, reduced inflammation, increased collagen production, and better circulation, among other benefits.

What's the Difference Between Red Light and Near-Infrared (NIR) Light?

Red light and non-infrared light, particularly near-infrared light, differ primarily in their visibility and penetration depth. Red light is within the visible spectrum (620-750 nm) and is thus visible to the human eye. Near-infrared light (700-1,400 nm) is just beyond the visible red end and is invisible. While red light primarily interacts with the surface layers of the skin, near-infrared light penetrates deeper, reaching muscles, tissues.


Red Light (630-700 nm): These wavelengths are primarily absorbed by the superficial layers of the skin, making them excellent for skin health, collagen production, and surface-level wound healing.
Near-Infrared (NIR) Light (800-1000 nm): These wavelengths penetrate deeper into the body, reaching muscles, joints, bones, and even the brain. NIR light is beneficial for deeper tissue repair, muscle recovery, pain relief, and reducing inflammation in joints.

Is Red Light Therapy Safe?
Yes, red light therapy is generally considered safe when used as directed. It is a non-invasive, drug-free, and natural therapy. Our panels emit non-ionizing radiation, meaning they don't damage DNA. However, it's always recommended to consult with your healthcare provider before starting any new therapy.

Are There Any Side Effects?

  • Over-exposure to red light therapy may cause burns. 
  • Over-exposure without protective glasses may lead to retinal damage. Always use protective eye-wear.
  • Unaccredited devices may emit high EMFs. Use devices that have received CE, RoHS and FDA approval and  certificates.
  • Prolonged use can cause headaches in some people. Take breaks and don't exceed recommended sessions.
  • Some people have reported itching and redness. If that happens, take a break and try again. If it persists, please stop use.
  • Too much red light therapy can lead to ineffectiveness. Excessive use does not offer additional benefits and could potentially lead to no effect.
  • Very sensitive skin might experience slight redness, which typically subsides quickly.

What are the Potential Benefits of Red Light Therapy?

Red light therapy has been studied for a wide range of potential benefits, including:

Skin Health: Reduced wrinkles and fine lines, improved skin tone and texture, increased collagen and elastin production, faster wound healing (acne, scars, burns).

Pain Relief & Inflammation: Reduction of chronic and acute pain, decreased inflammation in joints and muscles, relief from arthritis symptoms.

Muscle Recovery & Performance: Faster muscle recovery after exercise, reduced muscle fatigue, improved athletic performance.

Mood & Sleep: Improved sleep quality, reduced symptoms of depression and anxiety, enhanced mood.

Hair Growth: Stimulation of hair follicles for those experiencing hair loss.

Circulation: Improved blood flow and oxygenation.

How Long Until I See Results?

Results vary from person to person and depend on the condition being treated, consistency of use, and individual cellular response. Some individuals may notice improvements within a few weeks, while others may require several months of consistent use to see significant changes. Consistency is key!

Our Red Light Therapy Panels

What Makes Your Red Light Therapy Panels Unique?

Our panels are designed with a focus on:

    • Optimal Wavelengths: We use scientifically validated red (e.g.,630nm, 660nm) and near-infrared (e.g., 810nm, 830nm, 850nm) wavelengths for maximum therapeutic benefit.
    • High Irradiance: Our panels deliver a powerful and effective dose of light, ensuring you get the most out of your therapy sessions.
    • Quality Construction: Built with durable materials and advanced LED technology for long-lasting performance.
    • Ease of Use: User-friendly designs for convenient home therapy.
    • Safety Features: Incorporate features like cooling systems and precise timing controls.
    • K2 Light Therapy uses scientifically validated red and near-infrared wavelengths for maximum therapeutic benefit. We use 630nm, 660nm, 810nm, 830nm and 850nm. 

What Wavelengths Do Your Panels Use?

K2 Light Therapy uses 5 wavelengths of light. Red light at 630nm, 660nm and non infrared light at 810nm, 830nm and 850nm. Red light is not as deep penetrating as non infrared and offers a range of benefits for skin health, including skin rejuvenation, hair growth and pain relief. Non infrared light is a deeper penetrating non visible light. These wavelengths often used in multiple studies for treating inflammation, swelling from an injury, reducing neuropathic pain, and accelerated wound healing.

What is Irradiance and Why is it Important?

Irradiance refers to the power density of light delivered to a surface, measured in milliwatts per square centimetre (mW/cm²). It's crucial because a higher irradiance means more photons are delivered to your cells in a given time, leading to more effective therapy sessions. Our panels are designed to deliver high irradiance for optimal results.

Using Your Red Light Therapy Panel

How Do I Use My Red Light Therapy Panel?

The length of your red and near-infrared light treatment sessions depends on the type of device that you are using, the condition and the size of the area that you want to treat. It is also important to keep your overall health and skin sensitivity in mind when determining the perfect dosage and length of your sessions.

It is generally recommended to start red light therapy treatments conservatively with 3 to 5 applications a week, for approximately 1 to 10 minutes per treated area to allow your body to slowly adjust to the light. In time, you can increase your treatment schedule to a maximum 20 minutes of daily use for each area under treatment.

Is Red Light Therapy Safe?
Yes, red light therapy is generally considered safe when used as directed. It is a non-invasive, drug-free, and natural therapy. Our panels emit non-ionizing radiation, meaning they don't damage DNA. However, it's always recommended to consult with your healthcare provider before starting any new therapy.

How Long Should Each Session Be?

Typical session durations range from 10 to 20 minutes per area, depending on the panel's irradiance and your specific goals. Refer to your panel's user manual for recommended session times.

How Often Should I Use My Panel?

For best results, we recommend consistent use. Most people achieve optimal results with 3-5 sessions per week. Daily use is also safe and can accelerate results for some conditions.

Do I Need to Wear Eye Protection?

Yes, we strongly recommend wearing the provided eye protection during your red light therapy sessions, especially when facing the panel directly. While red and NIR light are generally safe for the eyes, direct exposure to high-intensity light can cause temporary discomfort or strain.

Can I Use My Panel Through Clothing?

For optimal penetration and absorption, it's best to expose your bare skin to the light. Clothing can block or significantly reduce the effectiveness of the light.

Can Children or Pets Use Red Light Therapy?

While red light therapy is generally safe, we recommend consulting with a healthcare professional before using it on children. For pets, speak with a veterinarian familiar with photobiomodulation.

Disclaimer: The information provided on this FAQ page is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Individual results with red light therapy may vary.