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

PROPANEDIOL UNDECYLENATE

Safety grade: A

This plant-derived moisturizing agent helps cosmetics absorb smoothly into skin while keeping products fresh and preventing bacterial growth. It works as both a hydrator and preservative, making it useful in lotions, serums, and other skincare products that need to stay stable on the shelf.

Graded using: COSING.

Last verified: June 9, 2026