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

METHYLPROPANEDIOL

Safety grade: A

A clear, lightweight liquid that helps dissolve and blend different ingredients together in cosmetic products. It's similar to how alcohol dissolves things in water.

This ingredient acts as a solvent to help mix and dissolve other cosmetic components, making products easier to formulate and more stable.

Graded using: COSING, FDA.

Last verified: May 26, 2026