1. purple potatoes

Purple potatoes contain minerals potassium and protein, but also enough to play the effect of improving the tear stains, there are a lot of dogs are very good food (small two dogs favorite food). Purple potato calories, starch, sugar are low, you can cook the purple potatoes, and then mix the appropriate dog food, I believe that the woofers see will flow sun saliva.

2. Apples

To help dogs improve their tear stains, the main thing is that they can consume enough vitamin C, and usually feed more vegetables and fruits to them. For example, apples, which are rich in vitamin C, can help dogs reduce the problem of tear stains.

3. Salmon

Owners can feed their dogs a little bit of salmon, because salmon is rich in deep sea fish oil. Deep-sea fish oil can play a big role in their hair and improve the problem of tear stains. Also, salmon contains a variety of trace minerals that make it a quality food for dogs. But most importantly, be sure to cook the salmon thoroughly to kill any parasites on the food completely.