Using Soap to Brush Your Teeth

Soap Toothpaste

When I tell people I switched to using soap to brush my teeth, they cringe – and I did too when I first tried it.  I thought about how adults in movies would wash a kid’s mouth out with soap if they’d done something wrong. Not pleasant, except now I was washing my own mouth/teeth with soap to keep up with my oral hygiene.

The real reason I started brushing my teeth with soap was by total fluke. I had just moved, couldn’t figure out where the toothpaste was and remembered reading an article where Dr. Bronner’s Soap was used instead of traditional toothpaste. I tested out the method with my Kiss My Face bar soap and haven’t looked back.

Things to know…

1. You want to find a natural soap with pure ingredients (NO fragrance)

  •  There are only three ingredients in the Kiss My Face bar: Saponified Olive Oil, Water, and Sea Salt. The fewer the ingredients the better in my opinion.

2. Find a soap (or toothpaste if that’s what you prefer) WITHOUT glycerin

  •  I’ve read that glycerin coats your teeth, making it harder for them to absorb minerals from the food you eat. Apparently, it takes 20 brushes before it’s removed from the tooth’s surface and our teeth are supposed to take in some of the nutrients from our food to toughen them up, so that doesn’t really gel with me. I may have started brushing my teeth with soap out of desperation, but the reason I’ve stuck with it, was because when I wake up in the morning I don’t feel any residue on my teeth. I dare you to test this out for yourself – your teeth feel so smooth and still clean when you wake up, it’s great.

3. Watch out for toothpastes/soaps containing ingredients like: sugars (especially in children’s toothpaste), sodium lauryl sulfate (SLS), artificial flavours, flouride etc.

  • These ingredients are, in my opinion, not so hot for your health. Sugar actually plays a big role in decaying our teeth, and sodium lauryl sulfate has been linked to disease, particularly cancer. So I do my best to avoid them.

If you are ever in doubt about the products you’re buying, I would strongly suggest searching the Environmental Working Group’s website. It is one of my favourite resources and they have an entire page dedicated to toothpaste. To search for the rating on your toothpaste, visit: 

To give you an idea of ratings, Colgate Total Advanced Whitening Anticavity Fluoride & Antigingivitis Toothpaste is rated a 4 or a moderate hazard, and the Kiss My Face Olive Oil Bar Soap is rated a 0 or low hazard (see image below for more detail on the scoring system).

Image Source: EWG website

Image Source: EWG website

I’m not saying brushing your teeth with soap is for everyone, this is just my opinion, and definitely do what feels best for you, or speak to your dentist, but it’s working for me. I’m looking forward to seeing my dentist to ask a few questions and check in on whether it’s having any impact because I don’t really see the need to switch back.

If you decide to give this method a try, we’d love to hear your experiences and if you’d like more reading on this method of brushing your teeth here are some helpful links:

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