I used the biotene toothpaste . Also use their mouthwash. I did really like the biotin e toothpaste. Also I used olive oil they say if you rinse with olive oil moisturizers and it really does.

I did buy the liquid one, the taste was so awful, so I stop using it; instead I use water, try to drink the more I can.

No I haven't. I usually use a table spoon of pure honey every couple of hours when at home.

Yes Evelyn, they are a bit expensive. They're not perfect but they're better than some. Here is a picture of what's in them.