How to Make Mouthwash With Peroxide

If you suffer minor gum irritation or inflammation, a healing mouthwash made from simple hydrogen peroxide can help your mouth heal. Whether you have an injury, canker sore infections or you are recovering from a procedure in your mouth, hydrogen peroxide can help keep your mouth clean, which can reduce infection and complications. The U.S. National Library of Medicine recommends using hydrogen peroxide as a mouthwash rinse to treat mouth sores.

Things You'll Need

• 3 percent hydrogen peroxide
• Small glass

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Instructions

• 1

  Mix about 1/2 oz. hydrogen peroxide with 1/2 oz. cool water in the small glass.

• 2

  Pour the diluted hydrogen peroxide into your mouth and swish the liquid around your mouth.

• 3

  Continue swishing the liquid in your mouth for about one minute then spit it out.

• 4

  Repeat the hydrogen peroxide mouthwash up to four times in a 24-hour period. Rinsing after meals can be especially effective.