NONOXYNOL-40 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

NONOXYNOL-40

Safety grade: A

A synthetic cleansing ingredient derived from a petroleum-based compound, this substance helps cosmetics mix oil and water together while removing dirt and impurities from skin. It's commonly used in cleansers and makeup removers to create a smooth texture and improve how the product spreads across your skin.

Graded using: COSING.

Last verified: June 9, 2026