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

NITROUS OXIDE

Laughing Gas

Safety grade: A**

Nitrous oxide is a colorless gas that is commonly used as a propellant to push product out of aerosol cans. It's the same gas used in some medical and dental procedures.

This ingredient serves as a propellant in aerosol cosmetic products, pushing the formula out of the container when you press the button.

Graded using: COSING.

Last verified: May 26, 2026