INDOLINO TRIMETHYLSPIROINDOLINE NAPHTHOOXAZINE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

INDOLINO TRIMETHYLSPIROINDOLINE NAPHTHOOXAZINE

Safety grade: A

A synthetic colorant used in cosmetics to create blue and purple shades in makeup products like eyeshadow and nail polish. It's made through chemical synthesis rather than derived from natural sources, and provides long-lasting color that resists fading.

Graded using: COSING.

Last verified: June 9, 2026