If you have a long-haired dog, you know the struggle of finding a hidden mat right behind their ear or under their leg. Mats are not just unsightly, they can be painful, trapping moisture and debris against your dog’s skin. The good news is that with the right routine and a little patience, you can brush your long-haired dog without ever forming a mat. This guide walks you through exactly how to do it, step by step, so grooming time becomes a bonding moment instead of a battle.

Why Mats Form and Why They Are Dangerous

Mats form when loose fur, dirt, and oils tangle together, often in high-friction areas like the armpits, behind the ears, and around the collar. If left unchecked, they tighten against the skin, causing irritation, restricted blood flow, and even painful bruising. In severe cases, mats can hide skin infections or parasites. That is why prevention is so much better than cure. For breeds like the Bernese Mountain Dog, which have a thick double coat, regular brushing is essential. If you are curious about their shedding patterns, check out our guide on Do Bernese Mountain Dogs Shed A Lot? What to Know to understand why coat care matters year-round.

Choose the Right Brushing Tools

You cannot prevent mats with the wrong brush. For long-haired dogs, you need a combination of tools:

  • Slicker brush: A fine-wire brush with bent bristles that grabs loose undercoat and gently teases out tangles.
  • Metal greyhound comb: A wide-tooth comb for detangling and a fine-tooth side for checking for remaining mats.
  • Detangling spray or conditioner: A leave-in spray adds slip and reduces breakage.
  • Undercoat rake (optional): For heavy-shedding double-coated breeds, this removes dead undercoat before it can mat.

Investing in quality tools saves you time and keeps your dog comfortable. A slicker brush with a cushioned handle is easier on your wrist during long grooming sessions.

Brush in Sections, Not All at Once

Trying to brush your dog’s entire coat in one pass is the fastest way to miss mats. Instead, work in small, manageable sections. Part the hair with your fingers or the comb, then brush each section from the skin outward. Start at the bottom of the leg or tail and work your way up. This technique, called line brushing, ensures you reach the undercoat where mats often start. Hold the hair above the area you are brushing with your free hand to reduce pulling on the skin. If your dog is sensitive, go slowly and offer treats. Breeds like the Bernese Mountain Dog are known for their gentle temperament, and you can learn more about their family-friendly nature in our article Are Bernese Mountain Dogs Good With Children?.

How to Handle Existing Small Mats

If you find a small mat, do not grab the brush and yank. Instead, apply a detangling spray and let it soak for a minute. Then, use your fingers to gently pull the mat apart, working from the outer edges inward. Follow up with the slicker brush in short, light strokes. If the mat is tight and close to the skin, use the metal comb to carefully tease it apart one hair at a time. For mats that are too tight or painful, do not try to cut them with scissors, you risk cutting your dog’s skin. Instead, use a mat splitter tool or take your dog to a professional groomer. Never use scissors near the skin, especially on wiggly dogs.

Pro Tip

Always brush your dog when the coat is completely dry. Brushing wet fur can stretch the hair and cause breakage, and it makes mats tighter. If your dog gets wet from rain or a bath, let them air dry or use a blow dryer on a low, cool setting before you brush.

Set a Consistent Brushing Schedule

Consistency is the secret to a mat-free coat. For most long-haired dogs, brushing every other day is enough to prevent tangles. During heavy shedding seasons, daily brushing may be needed. Make it a positive experience by pairing it with a favorite treat or a short walk beforehand. If your dog is nervous, start with just a few minutes and gradually increase the time. Remember, a mat that takes two minutes to prevent can take an hour to remove. For active breeds like the Bernese Mountain Dog, which need plenty of exercise, you can combine grooming with bonding time. Read more about their activity needs in How Much Exercise Does A Bernese Mountain Dog Need? to keep them happy and healthy.

“A stitch in time saves nine, and a brush in time saves a mat. Five minutes of daily grooming keeps your dog comfortable and your bond strong.”

Watch for Problem Areas and Health Signs

While you brush, check your dog’s skin for redness, bumps, or parasites. Mats can hide hot spots or ticks. If you notice your dog limping or showing stiffness, especially in breeds prone to joint issues, pay attention. Hip dysplasia is common in large breeds, and you can learn about the early signs in our guide Understanding Signs Of Hip Dysplasia In Bernese Mountain Dogs. Always ask your vet if you see any unusual lumps or persistent irritation. Grooming is not just about looks, it is a health check you can do at home.

What to Do If Your Dog Hates Brushing

Some dogs simply dislike being brushed. Start by letting them sniff the brush and rewarding calm behavior. Brush only for a few seconds at a time, then give a treat. Use a soft brush or a grooming glove for the first few sessions. Never force or restrain your dog, as that creates negative associations. If your dog is extremely anxious, try brushing after a long walk when they are tired. You can also play calming music or use a lick mat with peanut butter to distract them. Patience and positive reinforcement will turn a reluctant dog into a willing grooming partner.

With the right tools, a section-by-section approach, and a consistent schedule, you can keep your long-haired dog’s coat smooth, shiny, and completely mat-free. Your dog will thank you with wagging tails and cozy cuddles.