DIATOMACEOUS EARTH is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

DIATOMACEOUS EARTH

Safety grade: A

Diatomaceous earth is a fine powder made from the fossilized remains of tiny aquatic organisms called diatoms. It's a naturally occurring mineral that feels silky and absorbs oils and moisture.

This ingredient is used in cosmetics as a gentle abrasive for exfoliation, to absorb excess oil and prevent caking in powders, to add volume to formulations, and to create an opaque or matte appearance in products.

Graded using: COSING, FDA.

Last verified: May 26, 2026