Examples from the Web for mouthwash
If you have bad breath, gingivitis or periodontitis …A probiotic lozenge or mouthwash might be your best bet.
At The Keating Hotel in San Diego, there were little branded bottles of mouthwash in the bathrooms.
He looked as though someone had put aluminum hydrogen sulfate in his mouthwash.A Spaceship Named McGuire|Gordon Randall Garrett
Philippa demanded, as she mixed salt and water for a mouthwash.Chivalry|James Branch Cabell