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The answer to this question is Yes. Fine-grained volcanic ash is used as a polishing compound, and can be found in toothpaste and household scrubbing compounds. While most toothpaste tubes will give you the ingredients of the toothpaste, volcanic ash is nowhere to be seen on the list of ingredients. This is because volcanic ash is called tephra and it is ground down to a very fine power before it is added to the other ingredients that makes up the active ingredients of the toothpaste. It is interesting to note, that not all the active ingredients of the toothpaste are listed on the toothpaste tube.

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12y ago
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Q: Is volcanic ash an ingredient of toothpaste?
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