When Your Dog's Coat Turns Against You
The first time I found a mat on my dog, I thought it was just a clump of dirt. I tried to pull it out. My dog yelped. I felt terrible. And the mat didn't budge. That was the beginning of my education in one of the less glamorous aspects of dog grooming.
Mats are clumps of tangled, knotted fur that have compacted into dense masses. They start as small tangles — loose hairs that wrap around attached hairs — and progressively tighten as more hair joins the mess and movement pulls everything together. Left unchecked, mats grow larger, tighter, and closer to the skin. Severe matting can actually restrict blood flow to the skin underneath, cause painful pulling with every movement, trap moisture that leads to skin infections, and hide parasites or wounds.
This isn't just a cosmetic problem. Matting is a welfare issue, and it's more common than most dog owners realize.
Why Mats Form
Understanding why mats develop helps you prevent them. The most common causes include:
- Infrequent brushing: This is the number one cause. Loose hair that isn't removed by brushing tangles with attached hair and begins to mat.
- Moisture: Wet fur that isn't dried properly clumps together as it dries. This is why the post-bath, post-swim period is prime matting time.
- Friction areas: Anywhere there's movement and rubbing — behind the ears, under the collar, armpits, between the hind legs, where the legs meet the body — mats form faster because the mechanical action accelerates tangling.
- Coat transitions: Puppies shedding their puppy coat and growing their adult coat are especially prone to matting. The two coat types tangle together easily.
- Seasonal coat changes: When the undercoat loosens during shedding season and isn't brushed out, it tangles with the outer coat.
- Coat type: Curly, wavy, long, and double-coated breeds are most susceptible. Poodles, Doodles, Cocker Spaniels, and long-haired breeds are frequent visitors to the groomer's mat-removal table.
Assessing the Mat: Can You Remove It at Home?
Before you start working on a mat, you need to assess it honestly. Not all mats can or should be tackled at home.
Minor Tangles
Small, loose tangles that you can get your fingers into. The skin underneath moves freely when you tug gently on the tangle. These are straightforward to remove at home with the right technique and tools.
Moderate Mats
Larger, denser clumps that are tighter than a simple tangle but still have some give. You can feel them pulling the skin when you move them, but the skin isn't taut or red. These can usually be removed at home with patience and the right tools, though it takes more time and care.
Severe Matting
Large, tight mats that are close to or against the skin. The skin may be red, irritated, or pulled taut. Multiple mats may have grown together into sheets of matted fur. This is the point where you need a professional groomer or veterinarian. Attempting to remove severe matting at home risks cutting the skin (which is often pulled up into the mat), causing significant pain, and missing skin problems underneath. A groomer can safely clip severe mats using professional techniques and equipment.
Be honest with yourself about what you're dealing with. There's no shame in taking a severely matted dog to a professional — in fact, that's the responsible choice.
Tools You'll Need
- Detangling spray or conditioner: Apply to the mat before working on it. This lubricates the hair and makes separation easier. Some people use a light coating of cornstarch on dry mats for the same purpose.
- Slicker brush: For working out the edges of the mat once you've loosened it.
- Metal comb: For fine-tuning after the bulk of the mat is out, and for checking that no small tangles remain.
- Dematting comb or mat splitter: Has sharp blades that cut through the mat in sections, making it easier to work apart. Use carefully — the blades are sharp enough to cut skin.
- Blunt-tipped scissors: For cutting mats as a last resort before resorting to full clipping. The blunt tips reduce the risk of cutting skin.
- Treats: You'll need to keep your dog cooperative through what can be an uncomfortable process.
Step-by-Step Mat Removal
Step 1: Apply Detangling Spray
Saturate the matted area with detangling spray or conditioner. Let it sit for a few minutes to soften the hair. For stubborn mats, some groomers apply a small amount of coconut oil and let it sit for 15–20 minutes before working on the mat.
Step 2: Isolate the Mat
Hold the base of the mat firmly between your fingers and the skin. This is crucial — it prevents pulling on the skin while you work. Your fingers act as a barrier, so your dog feels pressure from your hand rather than tugging on their skin.
Step 3: Work from the Outside In
Never try to pull a mat apart from the center. Start at the outer edges and gently tease small sections of hair free using your fingers. Work from the tips of the hair toward the skin, loosening the outer layers first. This is tedious but causes the least discomfort.
Step 4: Use the Dematting Tool
Once you've loosened the outer edges by hand, use a dematting comb or mat splitter to cut through the mat in thin sections. Hold the mat at the base (against the skin) and work the tool through the mat from the outer edge. Cut away from the skin, never toward it. The idea is to split the large mat into several smaller sections that are easier to work out individually.
Step 5: Brush Through the Sections
Once the mat is split into smaller sections, use a slicker brush to work through each section, starting at the tips and gradually working closer to the skin. Use short, gentle strokes. If the brush catches and pulls, you're going too deep too fast — back up and work more gradually.
Step 6: Comb Through to Verify
Once you think the mat is out, run a metal comb through the area. If it glides through smoothly, you're done. If it catches, there are still tangles to work out.
Step 7: Reward Generously
Your dog has been patient through an uncomfortable process. Extra treats, praise, and a break are well deserved.
When Cutting Is the Right Call
Sometimes, despite your best efforts, a mat is too tight, too close to the skin, or too painful for your dog to tolerate dematting. In these cases, cutting the mat out is the kinder option. Use blunt-tipped scissors and slide a comb between the mat and the skin before cutting — this creates a protective barrier. Never cut blindly into a mat without a comb barrier, because skin can be pulled up into the mat and you won't see it.
For severe or widespread matting, professional clipping with electric clippers is the safest option. A groomer will use a blade that slides under the mat, lifting it away from the skin without risk of cutting. The haircut might not be pretty afterward, but hair grows back. Skin damage and pain from aggressive dematting don't heal as easily.
Prevention: The Best Strategy
Removing mats is always harder than preventing them. Here's how to keep them from forming:
- Brush regularly. For mat-prone breeds, this means every 1–2 days. No exceptions. A 10-minute brushing session every other day prevents hours of dematting later.
- Dry thoroughly after baths and swimming. Don't let your dog air-dry if they have a long or curly coat. Use towels and a blow dryer (on low heat) and brush through the coat as it dries.
- Check trouble spots daily. Run your hands behind the ears, under the collar area, in the armpits, and along the belly. You can feel tangles forming before they become mats.
- Keep friction areas trimmed. If your dog is prone to matting in specific areas (armpits, groin, behind ears), ask your groomer to keep these areas trimmed shorter.
- Remove collars and harnesses when possible. These create friction that accelerates matting underneath.
- Use a detangling spray before brushing. A light spritz before each brushing session makes the comb glide through more easily and prevents the mechanical action of brushing from creating new tangles.