MUDSTONE POWDER is graded A (Safe) by Expert·ING, based on COSING regulatory data.

MUDSTONE POWDER

Safety grade: A

Mudstone powder is a finely ground mineral powder made from compressed ancient mud and clay deposits. It's a natural earth material that has been mined and pulverized into a fine texture.

This ingredient gently exfoliates dead skin cells from the surface and helps balance the pH of products to keep them stable and effective.

Graded using: COSING.

Last verified: May 26, 2026