What Ingredients Go into Toothpaste?
- February 21st, 2012
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People who cleaned their teeth in the 1840s probably used one of the various toothpaste brands which contained ground-up cuttlefish bone, coral, porcelain or burnt eggshells. They might also have been tinted purple using cochineal, which is made from tropical insect bodies.
Today’s toothpastes, white, colored, or striped, contain at least ten ingredients. Some play a part in cleaning or protecting the teeth; some make the paste tastier, some bind the paste together, others help it to flow out of the tube.
The main ingredient in the white part of toothpaste is a powder of finely ground chalk (calcium carbonate), or possibly the powder from another mineral such as aluminum oxide, which is also used to make cement. These powders are slightly abrasive and help to remove the dulling film which is deposited by food and drink and contains decay-causing plaque.
A white powder called titanium oxide is sometimes added to toothpaste to give it a white color. Clear gel toothpastes get their abrasive quality from transparent compounds of silica, often with a coloring added.
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