The "Happy Hat" - Red Light Therapy Poll Cap for Horses

The Happy Hat provides targeted light therapy for the poll, TMJs, and upper cervical region.

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Horses carry tension through the poll and jaw for many reasons. It can stem from physical stress like training, riding, or old injuries—or from mental stress, including anxiety or sensitivity to new situations. Some horses are simply more prone to holding tension, which can appear as:

• resistance flexing laterally and vertically

• difficulty softening the jaw
• a nervous system that's always on alert

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Why this design is different

Most equine light therapy poll caps use red light only, which works well at the surface level.

The Happy Hat combines:

• Red light (660nm) for superficial tissue
• Near-infrared light (850nm) for deeper penetration

Near-infrared wavelengths are able to reach deeper structures and are commonly used in clinical photobiomodulation settings. Research shows near-infrared light can penetrate beyond the skull.

When red and near-infrared light are combined, they work synergistically.

• Soothe the superficial soft tissue with red light
• Modulate neuro-inflammation with near-infrared light

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What we’re aiming to support

Light therapy is not a cure or a replacement for veterinary care.

It’s a supportive tool used to:

• Encourage circulation
• Reduce inflammatory load
• Support cellular repair processes

These effects are especially relevant in horses carrying chronic tension or stress.

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What you may notice during use

Many horses show clear signs of release during sessions:

• Droopy lip
• Eye softening or fluttering
• Head lowering
• Visible relaxation

Over time, many owners report:

• Reduced reactivity
• Improved focus
• Easier softness through the poll and jaw

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How it’s used

• 15–20 minutes per session
• Once daily or as needed
• Can be used before or after work

A simple protocol guide is included to help you get started.

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Design features

• Adjustable fit for a wide range of horses
• Covers poll, TMJ, and upper cervical region
• Red + near-infrared modes, plus pulsing option
• Automatic 15-minute timer
• Rechargeable battery system (USB-C) -- no cords required during use

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Specifications

660nm (Red) / 850nm (Near-Infrared)
Irradiance: 120 mW/cm²
Pulse: 10Hz
Weight: 1.5 lb
Battery life: ~1 hour (approx. 4 sessions)
LEDs: 230 × 0.5W
Material: SBR
Warranty: 1 year

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A note on research

Photobiomodulation using red and near-infrared light has been studied for its effects on circulation, inflammation, and cellular function.

If you’d like to explore the research behind these mechanisms, sources are provided below.

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Questions

If you’re not sure whether this is a good fit for your horse, feel free to reach out.

I spend most of my time working hands-on with horses, but I’ll get back to you as soon as I can. Please text me at +1 (201) 279-1875 or simply leave a message by clicking the chat button in the corner.

Sources:

Jagdeo, J. R., Adams, L. E., Brody, N. I., & Siegel, D. M. (2012). Transcranial Red and Near Infrared Light Transmission in a Cadaveric Model. PLoS ONE, 7(10), e47460. https://doi.org/10.1371/journal.pone.0047460

Ji, Q., Yan, S., Ding, J., Zeng, X., Liu, Z., Zhou, T., Wu, Z., Wei, W., Li, H., Liu, S., & Ai, S. (2024). Photobiomodulation improves depression symptoms: a systematic review and meta-analysis of randomized controlled trials. Frontiers in Psychiatry, 14. https://doi.org/10.3389/fpsyt.2023.1267415

Colombo, E., Signore, A., Stefano Aicardi, Zekiy, A., Anatoliy Utyuzh, Stefano Benedicenti, & Amaroli, A. (2021). Experimental and Clinical Applications of Red and Near-Infrared Photobiomodulation on Endothelial Dysfunction: A Review. Biomedicines, 9(3), 274–274. https://doi.org/10.3390/biomedicines9030274

Sameer Hassamal. (2023). Chronic stress, neuroinflammation, and depression: an overview of pathophysiological mechanisms and emerging anti-inflammatories. Frontiers in Psychiatry, 14. https://doi.org/10.3389/fpsyt.2023.1130989