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

CUPRIC SULFIDE

Safety grade: A

A mineral compound that creates deep blue and green shades in makeup and nail products. It's derived from naturally occurring copper and sulfur elements, making it useful for achieving rich, dark color effects in cosmetics like eyeshadows and eyeliners.

Graded using: COSING.

Last verified: June 9, 2026