An expert has shared how to prevent mouthwash ... chlorhexidine as it can cause staining, according to the pro. "To prevent this, you need to use them at least 30 minutes after you brush your ...

A hygiene expert has warned you shouldn't use mouthwash ... with chlorhexidine as it can cause staining. "To prevent this, you need to use them at least 30 minutes after you brush your teeth ...

Antiseptic mouth rinses containing the active ingredient chlorhexidine ... the typical length of time the mouthwash is used.