How long is the shelf life of mouthwash? Can you still use it if it's expired?

Try not to swallow mouthwash when using it, but it is not a big deal if you swallow a little bit. So do you know how long is the shelf life of mouthwash? Can you still use mouthwash that has expired?

How long is the shelf life of mouthwash?

The shelf life of a sealed mouthwash is usually between 1-3 years, but if it has been opened and used, it is recommended to be used up within three months. This is because the chemical components in the mouthwash are exposed to oxygen in the air too many times and oxidation will occur.

Can I still use expired mouthwash?

Expired mouthwash cannot be used for oral cleaning. As we all know, there are many chemical ingredients in mouthwash, such as some active agents, fluoride and alcohol. Once the shelf life has passed, they will undergo some chemical changes that we don’t know about, or become non-toxic or toxic. If you continue to use expired mouthwash, it may cause certain damage to our mouth and teeth. Therefore, for your own health, it is recommended not to use expired mouthwash.

What to do if mouthwash is expired

Mouthwash is expired, but its aromatic smell is still there, so we can use it in the kitchen, bathroom, toilet, trash can and other places to maintain fresh indoor air. Spraying it on the dining table can remove greasy smells, spraying it in the refrigerator can remove odors, and spraying it in the cupboard can remove musty smells. In short, as long as expired mouthwash does not directly act on the human body, there are still many ways to use it.

Can I use mouthwash three times a day?

The function of mouthwash is to use its ability to penetrate into the narrow parts of the gums to clean the mouth, inhibit bacteria and kill bacteria, form a protective layer, and then ensure oral health and prevent the formation of periodontal disease. Mouthwash should not be used too frequently, because it may cause oral flora imbalance. Generally, it can be used two to three times a week. If you have oral diseases, it is recommended to use it 2-3 times a day and stop using it after 2-3 weeks.