POLYGLYCERIN-40 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYGLYCERIN-40

Safety grade: A

Polyglycerin-40 is a synthetic ingredient made by linking multiple glycerin molecules together. It works as a preservative and moisture-binder in cosmetic products.

This ingredient helps preserve cosmetic products by preventing microbial growth while also attracting and retaining water in the skin to keep it hydrated.

Graded using: COSING.

Last verified: May 26, 2026