3) How to use it
At this point, rub gently the salt crystals directly on your teeth: it’ll take 2 minutes. In so doing, use your fingers: alternatively, you can place them directly on your toothbrush. As already said, carry out this operation with the utmost gentleness and without rubbing excessively; otherwise, you might risk damaging your gums. After that, rinse your mouth with the mixture of water and salt previously prepared, gargling as if you were using a mouthwash.
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