Ingredient
Potassium Nitrate
What is Potassium Nitrate?
Potassium nitrate is a chemical compound that appears as a white crystalline salt. It is typically obtained by the reaction of potassium chloride with sodium nitrate or through extraction from natural deposits.
In consumer products, potassium nitrate is commonly used in toothpaste, particularly for sensitive teeth, as it helps block painful stimuli from reaching the nerves. The evidence suggests it is effective for this purpose without significant health risks when used in toothpaste.
On a label, spotting potassium nitrate may indicate a product aimed at reducing dental hypersensitivity. It does not imply significant risks when used as directed in such products.
Commonly found in: Toothpaste, Dental products
Benefits
- Helps reduce dental sensitivity by calming the nerves in teeth.
Potassium nitrate is allowed for use in OTC toothpaste as an anti-sensitivity agent.
Studies support its effectiveness in reducing tooth sensitivity without notable adverse effects.
Potassium nitrate is typically mineral-derived and not from animal sources.
Sources: Oral Health Topics: Sensitive Teeth
Scout's take
Active antisensitivity ingredient. Clinically validated to depolarize dentinal nerve transmission, providing genuine sensitivity relief over weeks of use. The one real functional positive in this formula.
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