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

DIISONONYL ETHER

Safety grade: A

This is a lightweight synthetic oil that helps products spread smoothly on skin. It's designed to feel silky without leaving a greasy residue.

It acts as a humectant by helping skin retain moisture and improving the texture and feel of cosmetic formulations.

Graded using: COSING.

Last verified: May 26, 2026

Other Humectant ingredients