Photobiomodulation and Headache Relief: What the Research Shows

Headaches and migraines affect millions of people worldwide and are among the most common neurological conditions. While medications remain the primary treatment for many individuals, complementary therapies are increasingly studied for their potential to support symptom management.

One emerging option is low-level laser therapy (LLLT)—also known as photobiomodulation (PBM)—which uses specific wavelengths of red and near-infrared light to influence cellular activity and reduce inflammation.

At The Ageless Skin Co., this technology is used as a non-invasive therapy designed to support tissue recovery, circulation, and pain modulation.

The Physiology Behind Headaches and Migraines

Headaches can arise from multiple physiological mechanisms. Two of the most common types include tension-type headaches and migraines.

Tension-type headaches are often associated with:

• Tightness in cervical and scalp muscles

• Reduced local blood flow

• Sensitization of pain receptors in the neck and head

Migraines, by contrast, involve more complex neurological processes, including:

• Activation of the trigeminal nerve pathway

• Release of inflammatory neuropeptides such as calcitonin gene-related peptide (CGRP)

• Neurovascular changes affecting blood vessels in the brain

• Increased sensitivity of central pain pathways

These overlapping mechanisms explain why therapies targeting inflammation, nerve signaling, and muscle tension may help support symptom reduction.

How Photobiomodulation Influences Cellular Function

Photobiomodulation uses therapeutic light in the red (600–700 nm) and near-infrared (780–1100 nm) ranges.

When these wavelengths reach biological tissue, they are absorbed by cytochrome c oxidase, a key enzyme within the mitochondrial respiratory chain.

This interaction can lead to several measurable cellular responses:

• Increased ATP production (cellular energy)

• Improved microcirculation

• Modulation of inflammatory signaling pathways

• Enhanced cellular metabolism and tissue repair

ATP plays a central role in tissue recovery and cellular regulation. By improving mitochondrial efficiency, PBM helps cells perform their normal repair and regulatory functions more effectively.

Evidence for Pain and Headache Support

Although research specific to migraines continues to develop, photobiomodulation has been extensively studied in musculoskeletal pain, nerve modulation, and inflammation—all factors involved in headache disorders.

Reduction of Muscular Pain and Tension

Clinical trials examining neck and shoulder pain have shown that LLLT can significantly reduce pain intensity and muscle tenderness. Because cervical muscle tension often contributes to headache triggers, reducing this tension may help alleviate associated head pain.

Anti-Inflammatory Effects

Photobiomodulation has been shown to reduce levels of inflammatory mediators such as pro-inflammatory cytokines. Since neurogenic inflammation plays a role in migraine pathophysiology, this mechanism may contribute to symptom relief.

Improved Microcirculation

Several studies have demonstrated that PBM improves local blood flow and oxygen delivery in treated tissues. Improved circulation may help normalize vascular function implicated in headache development.

Neuromodulation

Research indicates that PBM can influence nerve conduction velocity and pain signaling pathways. This

effect may help reduce the sensitivity of peripheral nerves involved in headache pain.

Why This Matters

Headaches frequently involve a combination of muscle tension, inflammation, and altered nerve signalling. By targeting these mechanisms at the cellular level, photobiomodulation may provide a supportive approach to pain management.

For individuals seeking non-invasive options, laser therapy may be considered as part of a broader care strategy that includes medical evaluation, lifestyle management, and other evidence-based treatments.

Important Considerations

While photobiomodulation shows promising results in pain management research, it should not replace medical care for persistent or severe headaches.

Anyone experiencing:

• Sudden or severe headaches

• Neurological symptoms (vision changes, weakness, confusion)

• Headaches following injury

should seek immediate medical evaluation.

Scientific References

Chow, R., Johnson, M. I., Lopes-Martins, R. Á., & Bjordal, J. M. (2009). Efficacy of low-level laser therapy in the management of neck pain: a systematic review and meta-analysis of randomized placebo-controlled trials. The Lancet, 374(9705), 1897–1908.

Hamblin, M. R. (2017). Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS Biophysics, 4(3), 337–361.

Barolet, D., Boucher, A., & Probst, S. (2016). Photobiomodulation for pain management: a systematic review. Journal of Biophotonics, 9(11–12), 1124–1135.

Leal-Junior, E. C., Lopes-Martins, R. Á., & Bjordal, J. M. (2019). Clinical and scientific advances in photobiomodulation therapy. Photomedicine and Laser Surgery, 37(11), 667–676.

Rossi, R. P., et al. (2020). Photobiomodulation therapy in neuromuscular disorders and pain management. Lasers in Medical Science, 35(8), 1645–1653.