POLOXAMER 403 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLOXAMER 403

Safety grade: A

Poloxamer 403 is a lab-created chemical that acts like a bridge between oil and water, allowing them to mix together smoothly. It's commonly used in lotions and creams to keep ingredients from separating.

This ingredient helps blend oil and water-based ingredients together in cosmetic products and reduces the surface tension of liquids, making formulas easier to spread and more stable.

Graded using: COSING.

Last verified: May 26, 2026