Bulldog tear stains can be unsightly, but they are also a sign of poor oral hygiene. The stains are caused by a build-up of bacteria and yeast, which can lead to infection. Keeping the area around the eyes clean is essential to prevent bulldog tear stains. You can do this by wiping the area with a damp cloth or using a gentle eye cleanser. You can also use a damp cloth to remove tear stains that have already formed. Soak a cloth in warm water and gently scrub the stained area. You may need to do this several times to remove all the stains. If the stains are stubborn, you can try using a cotton ball soaked in hydrogen peroxide. Test this on a small area first to ensure it does not irritate your dog's skin. Tear stains can be difficult to remove, but with regular cleaning, you can help keep your bulldog's face looking clean and healthy. It is also essential to brush your bulldog's teeth regularly. If the stains are already present, there are specialty products available that can help to remove them. However, it is always best to consult a veterinarian before using any cleaning product on your bulldog's face.