Homemade Mouthwash for Your Dog

Updated February 21, 2017

Dental hygiene for dogs is extremely important but, unfortunately, it's often overlooked. The American Veterinary Dental Society reports that 80 per cent of dogs show signs of oral disease by age three. According to Healthy Pet, dental disease affects more than just the dog's mouth. It can lead to serious health problems such as heart, lung and kidney disease. By properly caring for your dog's dental hygiene with mouthwash and teeth cleaning, you can help prolong the life of your pet.

Combine 1 tbsp of liquid glycerine with one cup of water in a small spray bottle. Shake or swirl the spray bottle to dissolve the glycerine. If you do not have glycerine, you can also make the mouthwash with plain water.

Add one drop of neem oil into the spray bottle. Add three to five drops of grapefruit seed extract. Add one drop of grape seed oil. Shake the bottle to combine all ingredients.

Open your dog's mouth. Spray the mixture directly onto the dog's gums and teeth. The mixture can be sprayed daily to control gum inflammation, teeth tartar and neutralise the odour of the dog's breath.


Never place undiluted grapefruit seed extract into the dog's mouth. Always dilute the grapefruit seed extract first.

Things You'll Need

  • 1 tbsp glycerine
  • Spray bottle
  • 1 drop neem oil
  • 1 drop grape seed oil
  • 3-5 drops grapefruit seed extract
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About the Author

Kallie Johnson began her writing career in 2009, contributing to various online publications. She holds a Bachelor of Arts in English from the University of Nevada, Las Vegas. She enjoys writing home and garden topics and considers herself an expert on do-it-yourself home improvement topics.