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If you also have excessive sensitivity in teeth, then use of alum and rock salt will give relief…
Samira Vishwas | February 13, 2026 6:25 PM CST

Tooth sensitivity has become a common problem nowadays. When the upper enamel layer of the teeth wears away or the gums begin to recede, the inner layer (dentin) is exposed. This is the reason why a tingling sensation is felt when eating hot, cold, sweet or sour food. In such a situation, many people adopt home remedies, which also include the use of alum and rock salt. Let us know how it works and how to use it properly.

How is alum beneficial in tooth sensitivity?

Alum has antiseptic and astringent properties.

advantages

  1. Helps in strengthening the gums.
  2. Reduces inflammation and mild infections.
  3. Temporarily calms dental nerves.
  4. Helpful in reducing mouth bacteria.

How is rock salt beneficial?

Natural minerals are found in rock salt and it is less processed than normal salt.

advantages

  1. Reduces swelling of gums.
  2. Controls mouth bacteria.
  3. Helps in cleaning teeth.
  4. Provides relief from light sensitivity.

How to use alum and rock salt?

make powder and use

Mix 1 pinch of alum powder and 1 pinch of rock salt and rub it gently on the teeth and gums with your fingers for 1-2 minutes. Then rinse with lukewarm water. Do not use more than 2–3 times a week.

to rinse

Take half a glass of lukewarm water, add a pinch of alum and rock salt in it. Rinse once a day.

things to keep in mind

  1. Daily or excessive use can damage the enamel.
  2. If the pain is severe or persists for a long time then definitely visit a dentist.
  3. Do not clean your teeth by rubbing too hard.
  4. Use a soft bristle brush.
  5. Use special toothpaste for sensitive teeth.


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