POLOXAMER 331 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

POLOXAMER 331

Safety grade: A

Poloxamer 331 is a synthetic ingredient made in the lab that helps mix oil and water together in cosmetic formulas. It acts like a bridge that allows ingredients that normally don't blend to work together smoothly.

This ingredient works as an emulsifier and surfactant to blend oil and water-based ingredients together, creating a smooth, stable texture while also helping the product spread easily on skin.

Graded using: COSING, FDA.

Last verified: May 26, 2026