Colgate Gel Kam is clinically and practically proven to effective against hypersensitivity. It also helps in caries control.It is not very expensive and can be found in any medial or general store without any prescription.It has stannous-fluoride gel that works as a decay-preventive element in this tooth paste.If you read its packet you will see that it also has glycerin, hydroxyethylcellulose and flavoring agents! Very effective, almost medicine level offering from Colgate!