POLYURETHANE-28 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-28

Safety grade: A

Polyurethane-28 is a synthetic polymer that helps mix oil and water ingredients together in cosmetic products. It also helps reduce the surface tension of liquids, making products spread more easily on skin.

This ingredient works as an emulsifier and surfactant to stabilize cosmetic formulas by blending incompatible ingredients and improving how the product feels and applies to skin.

Graded using: COSING.

Last verified: May 26, 2026