Before we talk too much about homemade dog toothpaste, it’s probably worth looking at what’s in shop-bought dog toothpaste, and why.
Most of the ingredients in shop-bought dog toothpaste are there to make toothpaste behave as we humans expect. There’s water (sometimes called ‘aqua’), something to make it paste-like (usually xanthan gum and sorbitol), something to give it color (such as titanium dioxide), and sometimes some foaming agents like sodium lauryl sulfate (SLS).
