Gargling hydrogen peroxide may be an effective way to sooth a sore throat, disinfect your mouth, and whiten your teeth. Be sure to dilute it first, and try not to swallow any in the process.

With proper use, gargling with 3% hydrogen peroxide is safe and can help reduce tooth decay, sore throats, and other problems caused by bacteria in your mouth.

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely.

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely.

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely.

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely. Skip Navigation ...

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely.

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely.

A VERIFY viewer asked if it’s safe to gargle with hydrogen peroxide. Health experts say you should dilute it with water first, and be careful not to swallow it.

Hydrogen peroxide that is diluted with water is safe to gargle and use as a mouthwash, as long as you don’t swallow it. Here are ways to use it safely.