CUPRIC OXIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
CUPRIC OXIDE
Safety grade: A
A mineral compound derived from copper that's used as a coloring agent in cosmetics, giving products shades of red, brown, or black. It's commonly found in makeup like eyeshadows and powders to create rich, natural-looking tones.
Graded using: COSING.
Last verified: June 9, 2026