Sodium chloride. Common salt helps the body to normally meet the requirements of sodium and chlorine. Sodium ion are basic in reaction while the chloride ions are acidic and they are together responsible for the acid base equilibrium in the body.
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Whitening Yellow Teeth. OTC products such as ColgateÂ® Optic Whiteâ¢ Toothbrush and Whitening Pen can lift yellow tones in your teeth by removing stains and providing a mild bleaching effect when used as directed. Other products include whitening trays and even mouthrinses.