If you find that the ingredients in a cleaner are unsafe for you, you can make a natural cleaner using white vinegar, baking soda, lemon juice, or essential oils. [2] X Research source
If you notice that the brush isn’t clean after 1 hour, you could add more bleach or more crystals. Do not mix in more than an additional 1⁄2 cup (120 mL) of either.
Don’t forget to disinfect the sink or tub you use to rinse the brush when you’re done.
