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

TRIMETHYLOLPROPANE

Safety grade: A**

Trimethylolpropane is a synthetic alcohol compound derived from propane that acts like a moisture magnet for your skin. It helps products stay smooth and stable while keeping skin hydrated.

This ingredient draws moisture into the skin and helps dissolve other components in cosmetic formulas, making products more effective at hydrating and maintaining their texture.

Graded using: COSING, FDA.

Last verified: May 26, 2026