POLYURETHANE-39 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-39

Safety grade: A

Polyurethane-39 is a synthetic polymer, which is a long-chain molecule made in a laboratory. It's used in cosmetic formulations to adjust how thick or thin a product feels and flows.

This ingredient thickens or thins cosmetic products to achieve the desired consistency, ensuring the product has the right texture and spreads smoothly on skin.

Graded using: COSING.

Last verified: May 26, 2026