How to Sanitize Used Toothbrushes for 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 Use a Toothbrush for Cleaning?

When it comes to cleaning, a toothbrush might not be the first tool that comes to mind. However, using a toothbrush for cleaning can offer several benefits, especially when it comes to tackling small and hard-to-reach areas.

The small and narrow bristles of a toothbrush make it ideal for cleaning crevices and tight spaces where other cleaning tools might not be able to reach. This makes it a great tool for cleaning grout lines, window tracks, and other tight spaces that are difficult to clean with larger cleaning tools.

In addition to its ability to clean tight spaces, a toothbrush is also versatile and can be used to clean various surfaces and objects. From cleaning shoes and jewelry to scrubbing stains off clothing, a toothbrush can be a handy tool to have around the house.

Using a toothbrush for cleaning is also a great way to repurpose old toothbrushes and reduce waste. Instead of throwing away old toothbrushes, they can be used for cleaning, giving them a second life before they are disposed of.

Benefits of Using A Toothbrush for Cleaning

Using a toothbrush for cleaning can be a game-changer when it comes to tackling small and hard-to-reach areas. Here are some benefits of using a toothbrush for cleaning:

  • Precision cleaning: The small size of a toothbrush head allows for more precise cleaning, making it easier to get into tight spaces and hard-to-reach areas such as corners and crevices.
  • Versatile cleaning: A toothbrush can be used on a variety of surfaces such as grout, tiles, faucets, and other small items such as jewelry or electronics.
  • Cost-effective: Toothbrushes are relatively inexpensive and can be repurposed for cleaning tasks instead of buying expensive cleaning tools.
  • Eco-friendly: Repurposing old toothbrushes for cleaning tasks helps reduce waste and encourages sustainable living practices.
  • Hygienic: By design, toothbrushes are designed to clean and remove bacteria, making them ideal for cleaning tasks where sanitation is important.

Overall, using a toothbrush for cleaning is a smart, cost-effective, and eco-friendly solution for tackling small and hard-to-reach areas.

Is Using a Toothbrush for Cleaning Eco Friendly?

Yes, using a toothbrush for cleaning is an eco-friendly way to repurpose old toothbrushes that would otherwise be thrown away. By giving your old toothbrush a new life as a cleaning tool, you are reducing the amount of waste that ends up in landfills. Additionally, using a toothbrush for cleaning means that you are not buying new cleaning tools, which helps to reduce your consumption and environmental impact.

Another eco-friendly aspect of using a toothbrush for cleaning is that it allows you to clean small and hard-to-reach areas more effectively. By using a toothbrush, you can target specific areas and scrub away dirt and grime without needing to use excessive amounts of cleaning solution or water. This makes the cleaning process more efficient and helps to conserve resources.

It is worth noting that using a toothbrush for cleaning may not always be the most sustainable option, especially if you are using a new toothbrush for the sole purpose of cleaning. In this case, it may be more environmentally friendly to invest in a reusable cleaning tool that can be used multiple times. However, if you have old toothbrushes lying around, repurposing them as cleaning tools is a great way to reduce waste and be more eco-friendly.

How to Sanitize Toothbrushes for Cleaning

Sanitizing your toothbrushes for cleaning is an important step to ensure that they are free from harmful bacteria and germs. Here is a step-by-step guide on how to sanitize toothbrushes for cleaning:

1. Gather your materials

You will need a bowl, water, and either white vinegar or hydrogen peroxide. You may also use a sanitizing solution specifically designed for toothbrushes.

2. Mix the solution

For white vinegar, use equal parts of water and vinegar. For hydrogen peroxide, use three parts water to one part hydrogen peroxide.

3. Submerge the toothbrushes

Place the toothbrushes into the bowl, making sure that they are fully submerged in the solution.

4. Soak for at least 5 minutes

Leave the toothbrushes in the solution for at least 5 minutes to allow the solution to penetrate and sanitize the bristles.

Rinse the toothbrushes: After soaking, remove the toothbrushes from the solution and rinse them thoroughly under running water.

Dry the toothbrushes: Shake off any excess water from the toothbrushes and place them in a clean, dry area with the bristles facing up.

Repeat as necessary: If you are using the toothbrushes frequently for cleaning, you may need to sanitize them regularly to ensure that they are clean and free from bacteria.

By following these steps, you can sanitize your toothbrushes for cleaning effectively and easily.

6 Other 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.

Tips for Using Toothbrushes for Cleaning

While using a toothbrush for cleaning can be an effective and eco-friendly cleaning solution, it’s important to use them correctly. Here are some tips to keep in mind:

  • Label your cleaning toothbrush: Use a separate toothbrush for cleaning and label it accordingly. This will prevent any mix-ups with your regular toothbrush and ensure that the toothbrush used for cleaning is not contaminated with toothpaste or saliva.
  • Use the right cleaner: Use the appropriate cleaning solution for the surface or object being cleaned. For example, a gentle soap and water solution may be sufficient for cleaning delicate surfaces, while a stronger cleaner may be needed for tougher stains.
  • Sanitize it again after use: Clean the toothbrush after each use and sanitize it regularly. Rinse the toothbrush thoroughly with water after each use and store it in a clean, dry place. To sanitize the toothbrush, soak it in a solution of water and vinegar or hydrogen peroxide for a few minutes before rinsing it off with water.


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!

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