Chemotherapy made my mouth very, very dry. A product that helped my dry mouth was Biotene Moisturizing Oral Rinse. I used Biotene Moisturizing Oral Rinse in the morning and at night. I also carried a travel size bottle of Biotene mouth spray in my purse.
(I do not have a medical background, this post was written based on personal experience. Anchored in Hope is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.)