Cooling Mats Could Be Poisoning Your Dog: What the October 2026 JAVMA Study Found

A product designed to keep your dog comfortable on a hot day shouldn't be a neurotoxin risk. And yet, research published in the Journal of the American Veterinary Medical Association on October 12, 2026 found exactly that: some polyacrylamide-based hydrogel products, including the kind used in popular pet cooling mats and wraps, contain acrylamide, a known neurotoxin.

This isn't a fringe finding about an obscure material. These are products sitting in living rooms and gardens across the country, often recommended by well-meaning owners on dog forums. The gel-filled mats you activate by soaking in water. The cooling wraps. The pressure-activated pads your dog lies on during summer. Some of them.

What the Research Actually Found

Polyacrylamide hydrogels are used in a wide range of consumer products because they absorb and retain water efficiently. In pet products specifically, they show up in cooling mats and body wraps marketed as safe, non-toxic alternatives to fans or frozen treats for managing heat in dogs.

The JAVMA study identified that certain polyacrylamide gels contain residual acrylamide monomer, which is the stuff left over when the manufacturing process is incomplete. Acrylamide is a neurotoxin. In dogs, exposure can cause peripheral neuropathy and neurological damage. The risk comes from a dog chewing or licking the mat, breaking the gel membrane, and ingesting the material directly.

The study doesn't suggest every cooling mat on the market is dangerous. But it does flag that the labelling on these products is inconsistent enough that owners have no reliable way to distinguish a safe gel from one with meaningful acrylamide residue.

That's the part that bothers me. You can't tell by looking at it.

Which Products Are Affected

The research doesn't name specific brands, which is frustrating but understandable given how many products fall into this category. What it does clarify is that the risk is specific to polyacrylamide-based gels, not all hydrogels.

A few practical distinctions worth knowing:

• Cooling mats that work via pressure activation (the gel inside shifts when your dog lies on them) are often polyacrylamide-based.
• Water-soaked fabric mats and aluminium cooling plates work on different principles entirely and are not implicated in this research.
• Phase-change material mats, which absorb heat rather than holding water, are also a separate category.

If you've got a gel-filled mat and you're not sure what's in it, the manufacturer's website or a direct email to customer support is your best route. Ask specifically whether the product contains polyacrylamide and, if so, what the residual acrylamide monomer content is. If they can't or won't tell you, treat that as an answer.

Signs of Acrylamide Toxicity in Dogs

This is where it gets genuinely difficult. The neurological symptoms of acrylamide exposure in dogs can be subtle early on and are easily mistaken for other things: unsteadiness, weakness in the hind legs, changes in gait, lethargy. More acute ingestion can cause vomiting and muscle tremors.

The problem is that a dog chewing a corner of a cooling mat on a Tuesday afternoon looks like normal dog behaviour, right up until it doesn't. By the time the gait changes are noticeable, you're already dealing with something that's been developing quietly.

If you use a gel-based cooling mat and your dog has had unsupervised access to it, check it for bite marks or punctures. Even a small tear in the membrane is worth taking seriously. If the mat is damaged and you suspect your dog may have ingested gel, contact your vet rather than waiting to see if symptoms develop.

What to Use Instead

Honestly, the simplest alternatives are also the most boring ones. A damp towel. A fan. A shallow paddling pool if your dog will tolerate it. An aluminium cooling mat, which works by conducting heat away from the body rather than holding water. Frozen Kongs. None of these carry a neurotoxicity risk.

If you want to keep using a gel mat and you can confirm from the manufacturer that the product is not polyacrylamide-based, or that acrylamide monomer content is below detectable thresholds, that's a reasonable decision. But supervised use only. A dog that likes to chew things shouldn't have unsupervised access to any gel product.

Tracking Behavioural Changes

If you've been using a gel cooling mat and you're now uncertain, it's worth paying closer attention to your dog's behaviour and movement over the coming days. Early neurological symptoms are genuinely easy to miss, particularly in older dogs where some stiffness or slowing down gets attributed to age.

This is one of those situations where having a record helps. If you've been logging your dog's normal behaviour and movement patterns through something like Tailo, you're in a better position to notice when something shifts, rather than relying on memory to tell you whether that slight wobble was there last week or not.

The Labelling Problem

The underlying issue the JAVMA research points to is a labelling gap. Pet product manufacturers are not currently required to disclose gel composition in meaningful detail. A mat can be described as "non-toxic" on the packaging based on the finished product passing certain tests, while still containing residual monomer levels that could cause harm if the gel is directly ingested.

That's a regulatory problem, not just a consumer awareness problem, and it's unlikely to be resolved quickly. In the meantime, the burden lands on owners to ask questions that they shouldn't need to ask.

Check your mats. Look for bite marks. And if you can't get a straight answer from the manufacturer about what's in the gel, put it in the bin.