Ingredient
Sodium Bicarbonate (Baking Soda)
A mild abrasive and pH buffer.
How it works. Gently polishes extrinsic staining and neutralizes acids in the mouth.
Advantages
- Inexpensive
- Low abrasivity in toothpaste formulations
- Anti-plaque effect
Potential disadvantages
- Grainy texture
- Not a bleaching agent
Common concentrations. Varies by product.
Safety. Safe at label use levels.
Evidence strength. Moderate