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

PENTANONE

Safety grade: A

This lightweight solvent is commonly used in nail polish and other cosmetics to keep products smooth and easy to apply. It helps dissolve and blend other ingredients together, making formulas more spreadable and giving them a better finish on skin or nails.

Graded using: COSING.

Last verified: June 9, 2026