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

COPPER SULFATE

Safety grade: A**

Copper sulfate is a mineral compound containing copper that has been used for centuries in various applications. In skincare, it's a trace mineral that may help support skin health and maintain skin integrity.

Copper sulfate is used in cosmetics for its skin conditioning properties, helping to support the skin's natural barrier function and overall skin health.

Graded using: COSING.

Last verified: May 26, 2026

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