When creating a new toothpaste, we knew it had to be as natural as possible while still being effective & that it had to taste good. Clinically tested, our pastes have a very high Pellicle Cleaning Ratio & a fairly low Relative Dentin Abrasion, meaning that the pastes thoroughly clean without being harsh on enamel. Using a natural silica that gently polishes teeth & maintains a low level of SLS, a surfactant that creates a satisfying foam, but which can be an irritant at traditional levels