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

FERRIC SULFATE

Safety grade: A

Ferric sulfate is an iron-based compound that is commonly used in water treatment and cosmetics. It's a chemical salt that helps bind and retain moisture in skincare products.

As a humectant, ferric sulfate helps cosmetic products attract and hold water, keeping skin hydrated and the product's texture stable.

Graded using: COSING.

Last verified: May 26, 2026