What is potassium nitrate used for?

Potassium nitrate is used to build protection against tooth pain caused by sensitivity to temperature, sweets, acids, or contact.

How often should I use potassium nitrate for sensitive teeth?

Adults and children 12 and older should brush twice a day, once in the morning and once in the evening.

You should apply at least a 1-inch strip of the product onto a soft, bristled toothbrush.

Children under the age of 12 should consult a dentist or a doctor before using this product.

You should brush your teeth thoroughly for at least 1 minute during each brushing session.

It helps protect your teeth from pain triggered by cold, heat, acids, sweets, or touch.

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Sensitivity protection

Potassium nitrate is used to help protect teeth from pain caused by sensitivity to cold, heat, acids, sweets, or touch.

Brand names:GuruNanda Sensitive

Used for

Tooth sensitivity relief

Conditions

Tooth sensitivity

Class

Desensitizing agentSensitivity protectionDental

FormsToothpaste/Topical application

RoutesOral

Adults and children 12+ should apply a 1-inch strip to a soft toothbrush and brush for at least 1 minute twice daily, or as a dentist suggests.

Make sure to brush all sensitive areas. Children under 12 should consult a doctor or dentist before use.

PediatricChildren under 12 years of age should talk to a dentist or doctor before using this product.

Questions to ask

Educational summary derived from FDA labeling, AI-assisted. Not medical advice — consult a healthcare professional. Updated 2026-04-25.