DIY Natural Peppermint Antiseptic Mouthwash

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We have been using my homemade toothpaste and tooth powder in the Hippy Household for quite awhile (I will share my tooth powder recipe next for those who are wondering!), but we were still in need of a good mouthwash that wasn't too harsh and still was highly antiseptic. After all of my research and bugging my friend who's going to school to be a dental hygienist, I came up with this recipe for a gentle alcohol-free antiseptic mouthwash that tastes great while cleansing your mouth and freshening your breath!

Hydrogen peroxide – the key to a fresh white smile

Hydrogen Peroxide is a known disinfectant and bleach and is used in all sorts of ways to clean throughout my house naturally. Not only is hydrogen peroxide a proven weapon in the fight against most bacteria as well as a gentle whitener for teeth, it's also been shown to fight gingivitis. One study published by the National Institutes of Health found that when used as a mouth rinse, Hydrogen peroxide prevents bacteria buildup and plaque, both contributors to gingivitis (Wennström and Lindhe). The other awesome thing about using hydrogen peroxide in your mouthwash is that it does an amazing job at helping to heal canker sores too! Take that alcohol! (Honestly, though, I used to get canker sores all the time before I changed my diet and lifestyle, and I now I can't actually remember having a single canker sore since we went down the hippy path…soo your mouthwash may help heal the canker sores up, but the underlying cause may, in fact, be your diet.)

What's in YOUR Mouthwash -

Most conventional mouthwashes contain toxic ingredients

The most popular brands of mouthwash may not even be the best dental options. Many contain ingredients that are known to be toxic and unhealthy such sodium lauryl sulfate, phthalates, and parabens. Mouthwashes are also most often sweetened with artificial sugars such as sodium saccharin (a known carcinogen) and sucralose, which has been known to trigger migraines and other issues. These mouthwashes also contain synthetic flavors and colors such as FD&C Blue 1 and FD&C Green 3.

Why not alcohol-based mouthwash?

Most mouthwashes on the market, natural included, are often alcohol-based, containing anywhere from 18 to 26% alcohol. Mouthwashes containing alcohol that are used regularly can contribute to cancers of the mouth, tongue, and throat. In 2009, a review in the Dental Journal of Australia confirmed that alcohol-based mouthwashes contribute to an increased risk of oral cancers. Use of mouthwashes containing alcohol will temporarily reduce bad breath, but in the long term, they help to improve conditions for the development of bad breath because  they dry the mouth out. The continued production of saliva is key to keeping the mouth fresh.

DIY Natural Peppermint Mouthwash

Natural Peppermint Antiseptic Mouthwash


  • 1 cup filtered water/peppermint hydrosol (You can use just plain distilled water here, but I love to use peppermint hydrosol instead of water because it adds a great deal of extra yummy flavor, smell, and healing properties from the peppermint herbs hydrosol is distilled from)
  • 1 cup 3% hydrogen peroxide (It MUST be 3% and no more, otherwise it could be hazardous to your health, 3% is found in most grocery stores and is the most common peroxide sold on the shelves.)
  • 1 Tbsp. raw unfiltered honey (to emulsify the essential oil)
  • 5-10 drops MRH peppermint essential oil or PT peppermint eo (optional – Not for use with children.)


  1. Combine essential oils drops into honey and then combine ingredients in a dark glass bottle or re-use a hydrogen peroxide bottle, and shake to combine. Peroxide breaks down in sunlight, so storing in a dark container in a cool dark place is imperative to keeping your peroxide from turning into water.
  2. Shake before use, then swish around and gargle in your freshly brushed mouth for 2 minutes. Spit and rinse with water. DO NOT SWALLOW MOUTHWASH, SPIT OUT AFTER USE.


  • You can switch out the essential oils (and hydrosol if using) for other essential oils including peppermint clove, spearmint, sweet orange, grapefruit, tangerine, lemon, sage, rosemary, and cilantro. 
  • You can effectively gargle with peppermint tea for a cleaner mouth and fresher breath.
  • a tsp. of baking soda in 8 oz. water can also be used as a natural mouthwash.
  • a Tbsp. of apple cider vinegar in 8 oz. water with a few drops of essential oil has also known to be a great mouthwash (if you can handle the vinegar flavor)
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All information on The Hippy Homemaker is meant for educational and informational purposes only. The statements on this website have not been evaluated by the Food and Drug Administration. Products and/or information are not intended to diagnose, cure, treat, or prevent any disease. Readers are advised to do their own research and make decisions in partnership with their health care provider. If you are pregnant, nursing, have a medical condition or are taking any medication, please consult your physician.

  • Holly-Fairview

    That’s some really expensive mouthwash there!

  • Sharon Huggins

    I, recently, started making the mouthwash (which, I, really like), and, purchased a bottle, similar, to the one, in the picture, to store it in. Do you clean the bottle, every time, you refill it? If so, how? (So, as not to introduce bacteria, into the bottle, or, mouthwash.)

    • I clean my bottles with hot soapy water and usually rinse them clean with extremely hot water to sterilize! I will let them air dry upside down afterwards! I have been known to swish them with baking soda water before rinsing too!

  • while white vinegar is extremely acidic, raw apple cider vinegar is less so, and when diluted in water (usually a pH of around 7) the resulting mouthwash is around the same pH as our skin’s sebum! You can switch the honey out for equal parts, though i would omit the essential oils if not using honey or vegetable glycerin to help emulsify them in!

  • well water can work though I would keep an eye out for mold, because distilled water doesn’t contain any bacteria in it! I use tap water that’s been run through my Berkey water filter and it’s totally clean!

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  • Kiz

    hello ,
    i like your peppermint Antiseptic mouthwash. and i will like to use one. please contact me

    • Christina

      I do not make these for sale! If you would like to contact me with a question, you may email me at

  • Alina

    I have a really sensitive teeth, what can i use for the pain?

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  • I have been rinsing my mouth with just Xylitol and distilled water for a while now, it never dawned on me to add a few drops of peppermint oil to make it minty fresh, I will be adding it from now on though 🙂

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  • Love how simple this recipe is! We actually gave up mouthwash entirely a while ago but I might try making our own someday.

  • This recipe looks fantastic!

  • I pinned this already- it looks wonderful and cannot wait to make your recipe. I am always looking for natural beauty care.

  • I love making all of my own dental products. I do oil pulling with activated charcoal, coconut oil and myrrh essential oil. I also make tooth powder and mouthwash….I will have to try with the peroxide!

  • oooh!!! love this idea! thanks for sharing…I never would have thought about peroxide!!

  • I have been looking for a natural mouthwash recipe. Perfect timing.

  • Sharon

    I have been looking for a natural mouthwash recipe. Perfect timing.

    • Christina

      I don’t currently have it listed in the shoppe but I could do a custom order for you if you like! I do plan on putting it in the shoppe here eventually, but I just haven’t had the time to get a listing up at the moment only because we are in the middle of preparing for a festival. If you want to purchase it, send me a custom order request on Etsy and I can put together the listing for you 🙂