My homemade toothpaste is salty. Once I got used to that it was smooth sailing. The mixture I created is still powdery not pasty, but I just dip my wet toothbrush into the jar and it works fine. I only made a small amount as a test case, but I can see no reason not to continue using it. My teeth feel clean, and that's the point, right?
By the way, I'm storing the toothpowder in a canning jar that came with my house. I've never done any canning, but I love the jars. The only other thing I've used them for is as a vase for my pansies to take to the office. It certainly brought some cheer to my workspace.