POLYPROPANEDIOL-8 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYPROPANEDIOL-8

Safety grade: A

A lightweight humectant that draws moisture into the skin and helps cosmetic products feel smooth and silky. This synthetic ingredient is commonly used in lotions, serums, and foundations to improve texture and keep skin hydrated without leaving a greasy residue.

Graded using: COSING.

Last verified: June 9, 2026