Top mouthwash for dry mouth for the money. ACT Total Care Dry Soothing Mouthwash . What you need to know: Not only does this mouthwash help soothe dry mouth, it also moisturizes, prevents cavities ...

Dry mouth, or xerostomia, affects up to 70% of patients who get radiation for head and neck cancer. It can make speaking and swallowing very difficult and can lower quality of life.

To combat the negative effects of xerostomia, a wide range of different saliva substitutes have been developed to help rehydrate the mouth and act as a lubricant when chewing and swallowing food.