Mouthwash, mouth rinse, oral rinse, or mouth bath is a liquid which is held in the mouth passively or swilled around the mouth by contraction of the perioral muscles and/or movement of the head, and may be gargled, where the head is tilted back and the liquid bubbled at the back of the mouth.
Sayyid Muhammad Rizvi, Sayyid Muhammad Rizvi went to the Hawza-e ‘Ilmiya-e Qum, Iran where he attended the dars-e kharij lectures of Ayatullah Wahid Khurãsãni. He also obtained an MA degree in History in 1991 from Simon... Answer imported 4 years ago
If dental products contain alcohol, then they become najis. If you can use it without swallowing it, then it could be permissible to use for its purpose; but if you feel that it is impossible not to swallow some of it, then it is haram for you to use it.