I’m not a health expert, so I do not recommend anything to anyone but just share my experience. (Having lived two hundred years, it seemed, I have something that I learned through my experience over the years.)
So, dry mouth, I mean lack of saliva, is usually caused by a long-term use of medication, a medical expert says. In my opinion, it can be also related to toothpaste and mouthwash; using too much toothpaste or mouthwash can give you dry mouth. So, I use tiny amount of toothpaste, about less than a pea size. As for the mouthwash, I avoid using it all together. Why? It can give you some side effects like, discoloration of skins in your mouth. A doctor says that it is a normal condition as we get older. I hope he’s right. When I rinse mouth with cold water the skin color returns to normal a little for a while.
I’ve heard that whitened skin in the mouth can be a sign of mouth cancer. I guess I should research on it more. Any suggestion or information on the subject would be very much appreciated.