Is diatomaceous earth likely to contribute to the development of cancer?  "Food grade" diatomaceous earth products are purified.

Kieselguhr is heat resistant and has been used as an insulator, as a component in toothpaste and as an abrasive in metal polishes. In the chemical industry, it is also used as a filter to clarify syrups and sugar and as a filling material in paper, paints, ceramics, soap and detergents.

A sugar obtained from milk ; white hard crystalline Purified Siliceous Earth Terra Silicea Purificata ( Purified Kieselguhr  Dose  1 gm .

The processing of kieselguhr sludge with obtaining a new end product as cooking oils they are refined i.e. purified from related.

KIESELGUHR purified white