Disinfect Your Toothbrush Naturally

Disinfect Your Toothbrush Naturally


Streptococci, staphylococci and treponema denticola – these are just a few names of the different bacteria that exist in the average mouth every day.  It is estimated that most people’s mouths have literally millions of these organisms thriving just on the surfaces of the teeth. Having an abundance of bacteria is a contributor to tooth decay and gum disease, so keeping an environment less friendly to the harmful bacteria is one way to promote oral health.

There are many options out there to disinfect your toothbrush ranging from special UV lamps to using bleach, dishwashing soap and your dishwasher!  Thankfully, keeping your toothbrush clean and infection-free does not need to be so complicated.  In fact, you most likely have the ingredients sitting in your cabinet right now.

Disinfect the Simple and Natural Way

Here are the 3 things that you will need:



Pour 1/2 cup or 120 ml of water into a glass. Next add 2 tablespoons or 30 ml of white vinegar and 2 tsp or 10 mg of baking soda and mix well. Place your toothbrush (es) into the glass and leave for 30 minutes.  Rinse well.

Vinegar and baking soda are both effective disinfectants and, in addition to disinfecting your toothbrushes, can be used throughout your home as an alternative to toxic commercial household cleaners.

You may want to discard your toothbrush every few months or once they show some wear.  They become less efficient at cleaning teeth and should be replaced.

Live well and be happy!






60 Responses »

      • Sterilized.. maybe but I hate to have to tell you it’s probably not clean in the sense most people are thinking. Soap leaves a residue that may or may not be harmful. Of course this depends on the soap your using.

        • I agree with Lucas. There are also minute pieces of food that can be left behind in a dishwasher. It may be good for other things, but I wouldn’t use it for my toothbrush.

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  3. All these things work but personally I use apple cider vinegar (1 tsp: and baking sodia every week in winter (I’m in South Africa) and same every 2 days in summer! It helps me!

    • No, it’s not. Baking soda is pure sodium bicarbonate and while baking powder contains some sodium bicarbonate, it also contains cream of tartar and some type of starch. They are both used as leavening agents. Hope this helps.

  4. Cool site! Just wondering though – don’t baking soda (basic) and vinegar (acid) cancel each other out, especially phwise? Want to try this but am curious about the chemical interaction.

    • Hi Andy, thanks for stopping by. I’m not a chemist, but I found some information that might be helpful in regards to vinegar and baking soda together. One is a study from the University of Florida stating that baking soda and vinegar were effective at minimizing bacteria.
      This is from an investigative journalist’s site and it says that this combination kills salmonella and E.Coli.
      I’ve used this for years as an alternative to commercial and toxic cleaners. While many of these commercials cleaners kill more germs than the natural ones, you are left with the after effects of their toxins. That is not something I want in my home.
      Good luck!

      • When it references the pair together are a powerfully cleaning mix they do not mean at the exact same time.

        Vinegar must be used first since it is an acid that has the cleaning power.

        Baking soda has scrubbing power.

        Mixing them will cancel the cleaning power of the vinegar since mixing them causes a chemical reaction that eliminates both the vinegar and baking soda. Mixing them creates a type of salt (not table salt), water, and gas (bubbles).

        I see how that bottom link is misleading. Yes they are an effective pair, but for different purposes.

        Vinegar = disinfect.
        Baking soda = scrub.
        Mixture = Bubbles. (help lift dirt) but not disinfect.

        Please be careful about re-spreading misleading information. I understand where you receive the information, but go into a highschool or college and they can verify your source is incorrect. I would hate to see people get sick because this does not work.

        • I’m not a chemist so I’m not sure how much baking soda would be required to cancel out the effectiveness of the vinegar but since my recipe calls for just 2 tsp of baking soda there’s probably still enough vinegar left to do some disinfecting. The baking soda addition does add the bubbles which can assist is removing grime from the toothbrush. If someone is really, really concerned about maximizing the disinfecting aspect of the mixture, they could simply place them in the vinegar first and then add the baking soda later. This works for us and our family. We are rarely sick and have had no problems at all. There was a study put out by the University of Florida saying that the mixture was an effective cleaning agent but I can’t seem to find it anymore. Thanks for your comment, Serena.

  5. Did you see the movie “My Big Fat Greek Wedding”? The father of the bride was always running around with a bottle of windex and using it for everything. Well, I’m like that with vinegar. I keep some in a spray bottle and use it for disinfecting and cleaning lots of things. I also spritz some vinegar on my toothbrush every night. But I’ve been wondering about the acidity… you’re not supposed to brush your teeth right away after eating or drinking something acidic because the acid softens the enamel on your teeth. So what about spraying my toothbrush with vinegar, would the acidity be neutralized after it dries overnight?

    • I don’t remember that movie but that’s pretty funny. I really don’t know about the acidity and your tooth enamel. I would think that the flavor would not be appealing, though, to brush with. Do you rinse it before brushing? I think if you’re rinsing that would be ok. I’ve also heard about acidic foods and enamel erosion so it might be not be the best idea to brush with a vinegar sprayed brush. That’s just my opinion if it’s something you’re concerned about.

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  7. I have a question, how long is this solution viable? How often should it be changed out…. every day, once a week….?

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  10. mixing vinegar and baking soda together in a cup will result in a chemical reaction that will turn it into mostly water.

    NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2

    leaves you with CO2 gas, acetic acid, but mostly Water.. water has no disinfecting properties.

    normally, you soak in vinegar to disinfect, then use baking soda to turn it into water after it has been disinfected.. then the water can evaporate nicely and leaves no vinegar smell. awesome for furniture. i wouldn’t do it on my toothbrush.

    Also, on that note, you can disinfect BETTER with first soaking in vinegar, than soak it in hydrogen peroxyde, but dont use them together (dont mix them in a container together, it could turn into acid…)

  11. What a good recipe – natural and easily affordable! It’s a very good way to use your toothbrush longer. Is it a good idea to add lemon juice or vodka? They are also used for disinfection. Thank you for sharing this useful information with us! Greets!

  12. I know you can leave your toothbrush soaking in Peroxide, can you do the same with the vinegar? I like leaving in the peroxide instead of just sitting out?

    • Hi Lisa! Yes, you can soak it in there for a while. I wouldn’t use it as a resting place for the toothbrush. I guess you could if you rinsed really thoroughly before using. I just wouldn’t want any residual vinegar on the toothpaste that I needed to brush with. Good luck!

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  14. Do not worry about a little vinegar on your tooth brush. It is edible and is in salad dressing and other foods.

  15. Hello, I’ve been browsing the internet how to clean a toohbrush naturually, no rubbing alcohol! thanks for the info, should I clean it every week? say every saturday? twice a week? what would be the best days to clean it, I brush 3 times a day.


  16. if you didnt leave it on the counter to get covered in fecal matter and urine with every flush and put it in the drawer where it belongs you wouldnt have a problem

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