POLYQUATERNIUM-102 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-102

Safety grade: A

This is a synthetic polymer (chain-like molecule) that acts like a thickener and stabilizer in cosmetic products. It helps keep ingredients mixed together smoothly and prevents separation.

This ingredient thickens the product, prevents oils and water from separating, and creates a more opaque appearance while maintaining a pleasant texture on skin.

Graded using: COSING.

Last verified: May 26, 2026