6 Ways to Sanitize a Toothbrush for Household Cleaning

There are always tight corners that are hard to get to with larger scrub brushes while cleaning. This is where the small but mighty toothbrush comes in! Old toothbrushes are great because they’re small, cheap, and perfect for detail work around the house like getting into nooks and crannies or scrubbing out crevices. But how do you make sure an old toothbrush is sanitary and ready to be used for cleaning? In this article, we will cover 6 ways to sanitize an old toothbrush to use for household cleaning.

Why are old toothbrushes good for cleaning?

Old toothbrushes are great for cleaning because the bristles are designed for scrubbing and they get into tight corners and hard-to-reach spots with ease. Plus, used toothbrushes are something you probably already have lying around the house, making them a cheap and effective cleaning tool.

What are the benefits of using old toothbrushes for household tasks?

  • They’re small and take up very little storage space.
  • They get into hard to clean nooks and crannies with ease.
  • They can handle hard scrubbing or gentle cleaning.
  • You don’t need to buy specialized small scrub brushes because you probably already have used toothbrushes.

Is using an old toothbrush for cleaning eco friendly?

Yes, giving an old toothbrush new life by using it for cleaning instead of throwing it out is better for the environment. Plastic toothbrushes don’t break down, which means they continue to be a problem for the environment for literal centuries after they’re thrown away. Extending their usage lifespan by using them for cleaning keeps them out of landfills or the ocean longer and eliminates the need to purchase additional small scrubbing tools, further reducing waste.

6 Ways to Sanitize a Toothbrush for Household Cleaning

1. Dishwashing Liquid

Fill a small bowl with dishwashing liquid and enough hot water to cover the toothbrush. Allow the toothbrush to soak for a few minutes, and then wash the toothbrush with the soapy water to scrub off any debris or germs. Rinse off any remaining soap afterward with cool water.

2. Bleach

To sanitize your toothbrush using bleach, fill a small bowl with two cups of warm water and 1 tablespoon of bleach. Allow the toothbrush to soak for five minutes, agitating it once or twice during that time frame to ensure maximum sanitizing power. Be sure to rinse it thoroughly afterward.

3. Vinegar

Fill a small bowl with one part vinegar and two parts water. Allow the toothbrush to soak for five minutes. Once it has soaked, rinse it off with water to remove any of the vinegar solution.

4. Alcohol

Fill a small bowl with one part alcohol and one part water. Allow the toothbrush to soak for five minutes, and agitate it to make sure no air bubbles are trapped in the bristles preventing the solution from touching them. You won’t need to rinse this one off because no remnants of the alcohol will be left on your brush!

5. Denture Tablets

To sanitize your toothbrush using denture tablets, fill a small bowl with enough warm water to cover the toothbrush and drop in a tablet. Read the package instructions for the denture tablets to see how long you should let it soak. Once you’re done, be sure to rinse your toothbrush off.

6. Boiling Water Soak

Fill a small pot with water and bring it to a boil. Place your toothbrush in the pot and allow it to sit for three minutes. Take the toothbrush out of the water and let it dry.


After you sanitize that old toothbrush you may find yourself looking for more ways to use it around the house! Check out my other posts on household cleaning – I’m sure you’ll be amazed by all the things you can do without harsh chemicals!

Similar Posts