POLYGLYCERYL-4 OLEYL ETHER is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYGLYCERYL-4 OLEYL ETHER

Safety grade: A

This is a gentle, plant-based helper ingredient made from glycerin and oleic acid (from olive oil). It works behind the scenes to help mix ingredients that normally don't blend together, like oil and water.

This emulsifier helps blend oil and water-based ingredients together in cosmetic products, creating smooth, stable formulations while being mild enough for sensitive skin.

Graded using: COSING.

Last verified: May 26, 2026