Red Light Therapy Pain Relief

Red light therapy is increasingly being mentioned as a natural way to support pain and recovery. Those looking for pain relief quickly encounter terms such as red light, near-infrared, and photobiomodulation. But what exactly does it entail, and what can you realistically expect if you suffer from, for example, muscle pain, joint pain, or a stiff neck?

In this article, we explain how red light therapy is linked to pain and recovery in research, for which conditions it is being studied, and what devices people use to get started with it. We will stick closely to what the scientific literature shows, so you get an honest picture without exaggerated promises.

Why red light therapy is used for pain

In red light therapy, the skin and underlying tissue are exposed to specific wavelengths of red and near-infrared light. The broad background of red light therapy ranges from skincare to recovery, but in the context of pain, interest mainly revolves around two things: how deeply the light can penetrate and what role it plays in research on recovery processes.

Many people are looking for a non-invasive way to support pain, without medication or drastic treatments. That explains the growing interest in light as a complement to rest, exercise, and guidance from a professional. Important to know beforehand: red light therapy is not a miracle cure and does not replace medical advice. It is primarily seen as potential support within a broader approach.

What happens in the cells according to research

The action of red and near-infrared light is described in science under the term photobiomodulation. These wavelengths act on the mitochondria, the powerhouses of your cells, and are linked to an increase in energy production, blood flow, and the modulation of inflammatory processes (Hamblin, 2017).

Improved local blood flow is linked in research to the supply of oxygen and nutrients, which plays a role in the natural healing process. It is this combination of cell activity and blood flow that makes light so often come back in the context of recovery and pain reduction.

These mechanisms have been extensively studied, but research into the wavelength is separate from a specific device: the literature describes what light of a certain wavelength can do, not what a specific mask or panel guarantees. The same applies to the separate colors and wavelengths of LED light, each with its own application.

For which pain conditions red light therapy is being researched

Red light therapy is being studied in research for various physical complaints. In studies, photobiomodulation is applied to, among other things, knee osteoarthritis, tendon problems, lower back pain, and post-operative pain, with varying degrees of evidence (Tamimi, 2026). The complaints most often encountered in literature and practice are:

• muscle pain: complaints after sports or exertion, where light is investigated in relation to muscle recovery
• joint pain: complaints around joints, including research into osteoarthritis and arthritis
• back pain and neck pain: common complaints due to posture or prolonged strain
• injury recovery: support of the natural recovery process after overuse

Specifically in athletes, research is being conducted into whether light can contribute to less pain and a faster return to sports, with cautiously positive but not unambiguous outcomes (Morgan et al., 2024). The results vary per person and per type of complaint, and the evidence is not equally strong for every application. If you have persistent or severe pain, always discuss this with a doctor or physical therapist. Red light can at most be an addition to a well-founded treatment plan, not a replacement for it.

Red light or infrared: which light suits which complaint

A frequently asked question regarding pain is whether you need red light or infrared. The difference lies mainly in the depth to which the light can penetrate:

• red light (630 to 660 nm): stays closer to the surface and is mainly associated with the skin
• near-infrared (810 to 850 nm): penetrates deeper and is linked in research to deeper tissues such as muscles and joints

For complaints located deeper in the body, near-infrared is often considered due to its greater penetration depth, while red light stays closer to the skin. Many devices combine both wavelengths to reach both superficial and deeper layers. The distinction between red light therapy and infrared plays a role here, as both have their own depth range and the choice depends on the location and nature of the complaint.

With which device do you do red light therapy for pain relief?

You can apply red light therapy in various ways. Which device fits depends on where your complaint is located and how large the area you want to reach is.

Light panels for larger areas

Light panels emit red and near-infrared light over a larger surface. They are mainly used for the body, for example for the back, shoulders, or legs, and are therefore the most common choice when it comes to muscle and joint complaints. The distance to the panel and the treatment duration partly determine how intensive a session feels.

Flexible bands and wraps

Bands and wraps are designed to fit around a specific body part, such as a knee, back, or shoulder. They direct the light specifically to one area and are useful when you want to reach a defined area during recovery after exertion.

LED facial masks for face and skin

LED facial masks use the same wavelengths but are designed for the face and skin and not for body pain. A brand like Maxi Meilleur focuses with its masks on cosmetic use: they help the skin look smoother and fresher and are intended as a supplement to your skincare routine. The red light therapy masks for home use work with red light of 630 nm and near-infrared of 850 nm and are non-invasive to use. If you also want to include the neck and décolleté, you can opt for the separate masks for neck and décolleté.

What to expect from pain relief with red light

Those who want to try red light for pain would do well to have realistic expectations. Effects rarely occur overnight. In practice, users often describe a gradual process, where regularity is more important than a single long session. Many clinical studies indicate pain reduction, but the outcomes vary widely due to the diverse protocols and target groups (Ferreira et al., 2026).

Many applications involve short sessions of a few minutes to fifteen minutes, a few times a week. How much someone notices depends on the wavelength, light intensity, distance to the light source, and treatment duration, and on the regularity with which you apply it. The same logic applies to the skin, where primarily how often you use an LED mask determines what you see over time. For pain complaints, always pay attention to how your body reacts and stop if you experience discomfort.

Is red light therapy safe and for whom is it less suitable?

Red light therapy is generally considered safe when used according to instructions. Red and near-infrared light contain no harmful UV radiation and emit little heat. It is considered safe for the skin, and the results mainly depend on wavelength, dose, and consistent use, while devices differ greatly among themselves (Salamon, 2025). Nevertheless, caution is advised, especially around the eyes and with prolonged use, and how carefully you apply it also determines whether infrared light is harmful.

In certain situations, extra caution or consultation with a doctor is advisable:

• pregnancy: consult a healthcare provider beforehand
• medication use that makes the skin light-sensitive: discuss this with your doctor
• existing skin or health conditions: ask for advice before you start

Not everyone is a suitable candidate, and it is worthwhile to check beforehand who should not use a red light mask. If you have any doubts about your situation, always consult a professional first.

Getting started with red light for pain relief?

Consciously choosing what suits you makes all the difference. For body pain, panels and bands are the logical choice, while an LED facial mask focuses on the face and skin. If you want to explore what suits you, Maxi Meilleur offers an overview of LED facial masks for home use, with clear explanations, a manual, and personal guidance so you can start with an informed decision.

Frequently asked questions

Does red light therapy really help with pain?

Red and near-infrared light are studied in scientific literature in relation to pain and recovery, but the evidence varies per application and per person. It is primarily seen as potential support, not as a substitute for medical advice. For persistent pain, consultation with a doctor or physical therapist is always advisable.

Does an LED mask work against muscle pain or joint pain?

An LED facial mask is designed for the face and skin, not for muscle or joint pain. For body complaints, light panels or bands are more often considered in practice, as they can reach a larger and deeper area. A mask is therefore primarily a choice for cosmetic use.

What is the difference between red light and infrared for pain?

Red light from 630 to 660 nm stays closer to the surface and is mainly associated with the skin. Near-infrared from 810 to 850 nm penetrates deeper and is linked in research to deeper tissues such as muscles and joints. Many devices combine both wavelengths.

Can you do red light therapy at home for pain complaints?

Yes, there are various devices for home use, from panels and bands for the body to facial masks for the skin. Adhere to the manufacturer's instructions and pay close attention to how your body reacts. If in doubt or if complaints persist, consult a professional first.

Sources

The sources below are about red and near-infrared light in general. They substantiate the mechanisms, research picture, and safety picture described in this article and do not relate to a specific product.

Ferreira, L. M. A., Oliveira, A. B. C., Mendes, J. J. B., Costa, G. V., Silva, I. R., Santos, G. N., Pereira, G. S., & Silva, M. L. (2026). Photobiomodulation in chronic pain: A systematic review of randomized clinical trials. Frontiers in Integrative Neuroscience, 20, Article 1717372. https://doi.org/10.3389/fnint.2026.1717372

Hamblin, M. R. (2017). Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS Biophysics, 4(3), 337–361. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5523874/

Morgan, R. M., Wheeler, T. D., Poolman, M. A., Haugen, E. N. J., LeMire, S. D., & Fitzgerald, J. S. (2024). Effects of photobiomodulation on pain and return to play of injured athletes: A systematic review and meta-analysis. Journal of Strength and Conditioning Research, 38(6), e310–e319. https://pubmed.ncbi.nlm.nih.gov/38781474/

Salamon, M. (2025, October 21). Red light therapy for skin care. Harvard Health Publishing. https://www.health.harvard.edu/staying-healthy/red-light-therapy-for-skin-care

Tamimi, Z. J. M. (2026). Photobiomodulation therapy in musculoskeletal rehabilitation, mechanisms, clinical evidence, and integrated protocols: A systematic review. Sport Sciences for Health, 22(2), 115. https://doi.org/10.1007/s11332-026-01694-w