Hydrated silica, which is primarily used as an abrasive in toothpaste, is made from a crystallized compound found in quartz, sand, and flint.
Diatomaceous earth, originally mined as "tooth powder" is a naturally occurring hydrated silica. As a fine gel abrasive, frequently combined with softer calcium carbonate (from chalk) it helps to remove plaque. Milled to a slightly larger size, the grains are more aggressive and are used in tooth bleaching formulations.
There isn't sand in toothpaste, the grit that you think is sand are actually diatoms that are put into the toothpaste to help clean your teeth. They have a tough silicon structure which helps them scrap off other microorganisms. Diatoms have a lot of uses in industry as well.
Ground up silica sand, most likely.
The Tagalog word for toothpaste is "pasta ng ngipin."
The collective noun for toothpaste is a tube of toothpaste.
toothpaste is depends
the toothpaste man
Toothpaste is considered an emulsion.
My can be an adjective. As a possessive pronoun it can modify nouns to tell which one.For example:My toothpaste is minty.Which toothpaste? My toothpaste. It modifies toothpaste which is a noun.
the toothpaste man
Toothpaste is a liquid.
There is no need for a diabetic toothpaste.
they used urine as toothpaste