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Red Light Therapy

Red light therapy harnesses the power of red and near-infrared light to influence cellular function. Most available research on it has been published in the last 15 years, but it has a longer history of use, in some ways as old as time. In the scientific community, red light therapy is nowadays most usually called photobiomodulation therapy (PBMT) or low-level laser (light) therapy (LLLT).

While previously the common knowledge in human biology has been that visible light can affect human bodily processes predominantly via the eyes, red light therapy is based on a large body of scientific findings demonstrating that 600-1000 nanometer light can have effects in the irradiated tissues via multiple mechanisms. More than five thousand research articles on red light therapy have been published, and the volume of new research is increasing every year. 


Tristan Defeuillet-Vang

Model and Influencer

"I've been using the red light for a little over a year now and I just can't go without it. I've experienced palpable benefits to my exercise recovery and general wellbeing, as well as some cosmetic improvements to my skin and hair. I'd recommend it to almost everyone looking to have better health and overall wellbeing."

Targeted therapy

Targeted area to quarter-body

Powerfully Portable


Convenience Meets Versatility





660nm & 850nm

Each CytoLED panel emits both 660nm and 850nm wavelengths, two of the most researched wavelengths. 660nm is visible to the human eye, and looks red. 850nm is not visible, but many cameras can pick it up and show it as a purple-ish hue. Of the two, 850nm penetrates deeper. Our lights contain 660nm/850nm in a 1.3/1 ratio, measured by irradiance.

pick your wavelength

Many of our devices (all except the Zero) allow you to select Red only, NIR only, or to have both at the same time.


Red light is most suited for treating more superficial tissues, such as the skin, as it penetrates less deeply.

660 nanometers


Near-infrared light is suited for treating deeper tissues, such as muscles, as it penetrates more deeply.

850 nanometers

William Janssens

MSc Exercise Physiology

"It cannot be easier to get the benefits from red light even from a certain distance (~a meter away) ! I use it every morning - when it is not sunny - during my yoga. It's the perfect start of the day 🙂."

Full-body therapy

Half-body to full-body

Doubly Capable


Triple Brilliance


Full-Body Perfection



Personal Trainer

"I’ve been using red light therapy for more than 7 months now and I can highly recommend it : my skin, my mood, my sleep and metabolism have increased a lot. I wanted a red light because I’m living in Paris and I was constantly in a bad mood without natural light and sun. Red light therapy is my daily self care moment and obsession!"

Frequently Asked Questions