Make your own hydrogen peroxide soak: add just 1/4 cup of hydrogen peroxide to a sink full of cold water. Rinse thoroughly.
A DIY toothpaste: hydrogen peroxide 3% (topical solution) and baking soda.
Add a few drops of hydrogen peroxide to plain baking soda to form a paste.
Hydrogen peroxide is commonly used as a “debriding” mouthwash (when mixed with water) to help remove natural secretions that can aggravate a sore mouth. It’s also considered to be a homespun method for whitening teeth. In any application, hydrogen peroxide should not be ingested.
Give your dishwasher a boost: Add two ounces of hydrogen peroxide to your dishwasher detergent, it will provide a super-sanitizing boost–both to your dishes and dishwasher.