Ingredient
Xylitol
A sugar alcohol used to disrupt cavity-causing bacteria.
How it works. Cannot be fermented by S. mutans, reducing the biofilm environment that drives extrinsic staining.
Advantages
- Anti-cavity effect
- Reduces stain-trapping biofilm
Potential disadvantages
- Not a direct whitening agent
Common concentrations. Varies by product.
Safety. Safe for humans. Toxic to dogs.
Evidence strength. Moderate