" Blog da Horta Biológica: Herbal Mouthwash | Homemade Mouthwash with Organic Herbs

Herbal Mouthwash | Homemade Mouthwash with Organic Herbs

Almost anything can be made from plants! It's great to know that we can make our own products at home with simple, natural ingredients that respect our health and the environment...precisely because they come from it! So, today we are going to share with you our recipe for mouthwash with organic plants that are excellent in mouth and throat health care. Great news for those who don't want to spend too much money on the synthetic elixirs that are to be found in supermarkets! At the end of this post you can also watch our step-by-step video of this recipe.

For this mouthwash, we used plants that we harvested in our own garden. 

So let's see what the ingredients are and why to use them.


  • Spearmint (Mentha spicata): 1 small stem is enough.
  • Parsley (Petroselinum crispum): 1 small stem is enough as well.
  • Lemon tree leaf (Citrus limon): 1 leaf. It is important that the leaf is new and tender, and that it is clean and free of pests and diseases.
  • Rosemary (Rosmarinus officinalis): as needed.
  • Fennel seeds (Foeniculum vulgare): as needed.
  • Baking soda: 1/4 tsp.
  • Tea Tree essential oil: 4 drops.
  • Water: enough to make an infusion.

The plants used in this recipe can be fresh or dried. We used a mixture. The mint, parsley and lemon tree leaf were freshly picked. The rosemary and fennel seeds had been previously picked and were used dried.

We created this recipe for a 125ml / 4.22oz bottle. In case you are wondering what "a small stem" is, or what the "as needed" or "enough to make an infusion" actually mean, watch the video below so that you will be completely enlightened.

Why These Ingredients

Spearmint: is excellent for the digestive system and helps keep a fresh breath.

Parsley: also fights bad breath and soothes mouth irritation.

Lemon tree leaf: has anti-inflammatory properties and helps ease canker sores, gingivitis, and relieve throat inflammation.

Rosemary: is antibacterial and anti-inflammatory. It improves breath and relieves inflammation in the gums.

Fennel: also has excellent properties for the entire digestive system and is expectorant.

Baking soda (Sodium bicarbonate): very effective in oral hygiene. It relieves inflammation in the mouth and helps reduce stains on the teeth, keeping them cleaner and whiter.  

Tea Tree Essential Oil: the champion of the antibacterial essential oils, with great power to disinfect the mouth and helps keep the breath fresh for longer.

The plants present in this recipe can be changed as long as they have adequate properties for good oral hygiene.

Learn more about the properties and uses of these and many other plants in our book: "The 5 C's of Aromatic and Medicinal Plants: Cultivate, Care, Collect, Conserve and Consume -  30 Plants and Their Properties".

Required Materials

  • Kitchen tools for making an infusion.
  • 1 medium-sized glass jar for mixing various ingredients.
  • 1 spoon.
  • 1 funnel.
  • 1 small amber glass bottle with a wide lid. It is advisable to be an amber bottle to better preserve the liquid with essential oil.


Now that we have all the ingredients and know why we should use them, let's see how to prepare the mouthwash:

  1. Start by preparing an infusion. The herbs should stay in the water for 5 minutes.
  2. Pour the equivalent of 125ml / 4.22oz into the medium-sized glass jar and let it cool completely. The remaining infusion can be used to prep more mouthwash bottles or for drinking. This is a very nice blend and makes a wonderful tea!
  3. After it has cooled, add 1/4 tsp of baking soda to the infusion and mix well.
  4. Add 4 drops of Tea Tree essential oil (aka Malaleuca) and mix well.
  5. Using a funnel, pour the mixture into the amber glass bottle.
  6. Ready to use!

How To Use and Conserve

The amount of mouthwash placed in the lid is sufficient for rinsing and gargling.

Ideally, you should use it once a day.

Shake the bottle well before each use.

It cannot be ingested due to the presence of the essential oil.

This mouthwash lasts up to 2 months. It does not require refrigeration, but can be stored in the fridge for cooler use.

We hope you enjoyed our recipe! Have a look at our video with all the details and if you haven't subscribed to our YouTube channel yet, take the opportunity to do so if you don't want to miss a thing!

VIDEO - Herbal Mouthwash | Homemade Mouthwash with Organic Herbs

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