Homemade All-Natural Purifying Mouthwash

An easy recipe for homemade purifying mouthwash with essential oils that leaves your mouth feeling fresh, helps with bad breath, and even helps to prevent tooth decay by remineralizing the teeth with calcium carbonate – all with no harmful chemicals!

Homemade Mouthwash - Remineralizing, Purifying and Natural

Have you looked at the ingredients in your traditional mouthwash lately? It reads much more like science experiment than anything, full of dyes and wonderful things like ethanol, alcohol, and methyl salicylate. It also comes with a caution that if swallowed at all, call poison control immediately. Anyone ever successfully kept the mouthwash from being swallowed? Not me. A little bit always goes down! Also not good when I have little ones running around who are pretty adept at opening locked drawers and supposedly child proof containers! Although, I will report that the EWG (Environmental Working Group) doesn’t give your typical mouthwash a horrible rating for toxicity – 4 out of 10 with 10 being highly toxic, which is moderately hazardous (read the report here). Still, I’d much rather make my own so I know exactly what’s in it and know that it’s not toxic at all. So, I whipped up this concoction in my kitchen and really like the outcome! This mouthwash leaves my mouth feeling minty fresh. Here are the ingredients I used, with the recipe below.

It is so important that we take care of our mouths. Did you know there are over 700 germs that live in there and scientists have only named 300 of them? And the mouth is where so many germs start to grow and are introduced into our bodies.

More About the Ingredients I Chose

Calcium Carbonate (optional)

This is a powdered form of calcium that supports bones and teeth and may help to remineralize and strengthen weakened teeth! It is considered a dietary supplement from the brand I chose (where to buy).

Xylitol (optional)

A natural sugar-free sweetener found in many foods and may also help to prevent tooth decay because the bacteria in our mouths cannot use it as a source of energy, according to WebMD. I put it in this mouthwash because I can’t stand the aftertaste of hydrogen peroxide and wanted to sweeten it to make it more pleasant to use and gargle.

Homemade Remineralizing Mouthwash with Essential OilsEssential Oils

I’m crazy about essential oils, and use them everyday! We have seen major improvements to our health, but it wasn’t until I was using very high quality essential oils, like the ones found at Young Living. I cannot recommend any other brand because many of them clearly say on the bottle – do not take internally. Young Living’s oils are pure and potent and are safe to be taken internally (unless it is wintergreen or eucalyptus).

Essential oils add a powerful purifying kick to this mouthwash by helping to keep germs from the mouth. This would even be a good mouthwash to use when you need some extra immune support, especially when you add Thieves. I have gargled that oil many a time (with water) to support my immune system during the winter months.

When using essential oils, it’s very important to store your mouthwash in a glass container as they will break down plastic or styrofoam, leaching those chemicals into your mouthwash! Plus light and oxygen will cause them to oxidate, leaving them powerless. So store them in a tightly sealed, dark container like this one!

Essential Oils that Support Oral Health – Thieves, Melaleuca, Lemon, Clove, Cinnamon Bark, Oregano, Basil

Freshening Oils (great for bad breath) – Peppermint, Lemon, Orange, Citrus Fresh

Homemade Remineralizing Mouthwash with Essential Oils

Note: This recipe is flexible. If you want a stronger taste of the oils you’re using, add another drop! But I suggest only adding one drop at a time because, believe it or not, it is VERY strong. This recipe is pretty mild and diluted, so I suggest starting here and tweaking it according to your tastes.

The Recipe

Yield – 16 ounces, or 2 cups

  • 1 16 oz. glass amber jar or mason jar (just store in a dark cabinet) (where to buy)
  • 2 cups distilled or purified water (purified to reduce bacteria and toxins like chlorine and fluoride, can boil on the stove to make distilled water)
  • 1 tsp. xylitol (where to buy)
  • 2 tsp. calcium carbonate powder (where to buy)
  • 5 drops or more of any of the following essential oils – Thieves, Citrus Fresh, Lemon, Orange, Clove and Melaleuca Alternifolia) (where to buy high quality essential oils)


  • Boil the container or jar you’re going to use for the mouthwash to kill bacteria first.
  • Put your dry ingredients in the container first.
  • Add the essential oils to the powders (this will help to disperse the essential oils throughout the solution so they don’t just sit on top).
  • Combine all ingredients in a 16 oz. container (2 cups) and shake well to combine and dissolve.
  • When using, shake well then pour from the container into a cup so as not to introduce germs to your bottle.

The Oil Pulling Challenge with My Merry Messy Life to transform your health and detoxify your body!

Oil Pulling

Oil Pulling is a an excellent and healthy way to maintain dental health. Read more here!

Shelf Life

Store in a dark, amber bottle. If you do not have a brown bottle, there are several ways to keep this mouthwash fresh:

  • Refrigerate it  – this isn’t terribly practical for me, but if it is for you, this is the best way to preserve it!
  • Cover the jar or bottle you have in dark contact paper or keep in an opaque bag, like a brown lunch sack.
  • Keep in a dark cabinet that isn’t exposed to light. (this is what I do)
  • It should last for several months if taken care of properly, but if you’re using it everyday, it won’t last that long anyway.

WARNING: Xylitol is very toxic to dogs. Make sure to keep it stored away from your fur babies!

How to Purchase High Quality Essential Oils through My Merry Messy Life

About Sara McFall

Sara is the owner and founder of My Merry Messy Life, which started in 2011 as a way to chronicle her journey to a natural, chemical-free lifestyle and to share her passions of mothering, real food, homeschooling and crochet. She is a mama to three precious and energetic little boys and wife to a university professor who loves to sing, dance ballet and ballroom, and live simply and naturally.


  1. Do you know if this can be used for pets, too?

  2. This is simple and great. Thank you!

  3. If you have dogs in the house, be very, very careful with xylitol as it is toxic to dogs, causing liver failure. We’ve made it a policy to avoid bringing ANY product with xylitol into our home–since our fur babies DO sometimes get into mischief!

    • Thank you so much! I didn’t know this and was more worried about the hydrogen peroxide but would LOVE to find something that really works on their breath.

  4. I made this but with spearmint and its great! Thank you 🙂

  5. I am quite concerned with the hydrogen peroxide. On the EWG website, it got a 3-5 score, same as Listerine mouthwash.

  6. Concerning my previous comment:
    That picture wasn’t supposed to show up as a profile picture. This is strange, I do not know how it is linked..
    Please, could you just delete my 2 comments? Thanks!

    Great website BTW 🙂 I am reading a lot of it and will try recipe this weekend. Just got some Castille soap.

  7. Be careful using hydrogen peroxide as a mouthwash if you have any mercury amalgam fillings.

  8. Could you replace Hydrogen Peroxide with vodka? I know where to alcohol but not hydrogen peroxide.

  9. Hi there,

    I love this recipe. I wonder if one could substitute Truvia in place of the Xylitol? If we’re talking sweeteners here…I thought it might work???


    • Hi Cathy! I’m not sure – I chose Xylitol because it is a recommended sweetener by dentists and I have no idea what Truvia does to your teeth. I bought the Xylitol off of Amazon and it wasn’t expensive. I’ve seen it in grocery stores recently, too. Hope that helps!

  10. This is so simple and easy to make, and saves some money too. Thanks!:)

  11. You don’t need to boil your water, peroxide is a powerful disinfectant, capable of killing e. coli and salmonella as well as common bacteria.

  12. If you don’t have any of those ingredients a baking soda would do just fine with the mint flavor and water.

  13. Stephanie says:

    I would be careful with Hydrogen Peroxide because it can cause a fungus of the tongue called “Black Hairy Tongue”.

  14. Hydrogen peroxide is a good rinse to use the first day after a mouth injury, after that it inhibits healing. I wouldn’t use it.

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  16. In response to the Truvia substitution I would avoid it at all costs. Food Babe (http://foodbabe.com) researched and wrote a piece on Stevia in it’s good and bad forms and Truvia – an adulterated not good Coca cola product. True whole leaf stevia – not reconstituted is recommended. It is difficult to find in liquid form but there is a brand called Stevita.
    Check out her blog it is full of interesting info.

  17. Doesn’t hydrogen peroxide have to be stored in a dark container? How does it maintain its efficacy once mixed with water and in a clear, glass bottle?

  18. I was told recently by my dentist that hydrogen peroxide is a carcinogen. Maybe the vodka idea would work?

  19. Peroxide is great for tooth whitening, but it shouldn’t be used for long periods of time. I do make exception for whitening my teeth. I also use cinnamon essential oil instead of mint because bacteria (which causes cavities) can’t survive in cinnamon. Cinnamon also eats the biofilm of the bacteria. Melaleuca will eat the biofilm of the bacteria as well. If you mixed cinnamon w a little melaleuca, the bacteria in the mouth wouldn’t have much of a chance at causing cavities or bad breath. (Cavities are also caused by mineral deficiency, so a proper diet is also in order for full cavity prevention).

  20. Not seeing peroxide in ingredients list????

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