01 jul 2026Leestijd: ca. 4 minutes

Dull Coat in Dogs: What Can You Do?

Normally your dog's coat shines as if they just stepped out of a shampoo commercial. Then suddenly it starts looking dry, dull or simply a little lacklustre. A dull coat is quite common in dogs and is often a sign that something is out of balance. Sometimes it's only temporary, such as during shedding season. But if the coat remains dull for a longer period, it may indicate nutritional deficiencies, skin problems or another underlying issue.

What Is a Dull Coat in Dogs?

A dull coat means your dog’s fur has lost its natural shine. It may feel dry, coarse or brittle and can become more prone to tangles. In some dogs, it’s simply a matter of reduced shine. Others may also develop itching, flaky skin or excessive scratching. In short, your dog’s coat often reflects what’s going on inside their body.

What Causes a Dull Coat in Dogs?

There are several possible reasons why a dog’s coat becomes dull. And no, it’s not always because of a muddy walk or an enthusiastic roll in the grass.

Common causes include:

  • An inadequate or unbalanced diet
  • A deficiency of essential fatty acids
  • Skin problems or itching
  • Allergies or food intolerances
  • Ageing, especially in senior dogs
  • Stress or hormonal changes
  • Every dog is different. While one dog may respond quickly to changes in diet, another dog’s coat may be more affected by skin health or age.

    Dull Coat and Itching in Dogs

    A dull coat often goes hand in hand with itching. Your dog may start scratching, licking or chewing at their skin, which can cause even more damage to the coat.

    Before you know it, you’ll have:

    • loose hair all over the house;
    • a dog constantly rubbing against furniture;
    • and a sofa covered in dog hair.
    • That’s why it’s important to check not only the coat, but also the skin underneath. If you notice redness, flakes or bald patches, it’s worth investigating the underlying cause.

      ‘
      A healthy coat does not start with shampoo. It starts with what goes into your dog’s food bowl every day.

      What Role Does Nutrition Play?

      Nutrition has a huge impact on your dog’s skin and coat. Dogs with a dull coat may benefit from a diet containing plenty of:

      • high-quality protein;
      • omega-3 and omega-6 fatty acids;
      • vitamins and minerals.
      • Good nutrition supports the skin from within and helps restore a healthy, glossy coat.

        Because let’s be honest: you can brush your dog every day, but if the foundation isn’t right, the coat will often remain dull.

        What Can You Do About a Dull Coat?

        If you notice your dog’s coat looking less healthy, there are several things you can do yourself.

        These steps often help:

        • Brush your dog regularly
        • Check the skin for redness or flakes
        • Watch for itching or changes in behaviour
        • Take a closer look at your dog’s diet
        • Make sure your dog gets enough exercise and relaxation
        • In many cases, the biggest improvements come from combining good grooming with the right nutrition.

          ‘
          A shiny coat does not come from a spray bottle. It comes from proper care and nutrition.

          When Should You See a Vet?

          Sometimes a dull coat is more than just a cosmetic issue.

          Contact your veterinarian if:

          • the coat remains dull for an extended period;
          • your dog is very itchy;
          • bald patches develop;
          • the skin becomes red or irritated;
          • your dog seems lethargic or behaves differently than usual.
          • If several of these symptoms occur together, it’s a good idea to have your dog examined.

            Is a Dull Coat Normal?

            A temporarily dull coat can be perfectly normal. For example, during shedding season, in winter or in older dogs. However, if your dog’s coat remains dull for a long time, it’s often a sign that something is out of balance. Unfortunately, dogs can’t simply tell us, “Hey, I think I could use a little more omega-3.”

            Summary: Dull Coat in Dogs

            A dull coat can have many different causes, including nutrition, age, skin problems and allergies. By paying attention to grooming, diet and any additional symptoms, you can often make a big difference. If the coat remains dull or your dog also develops itching or bald patches, it’s best to seek professional veterinary advice.