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

POLYGLYCERYL-4 OLEATE

Safety grade: A

This is a gentle, plant-derived ingredient made from glycerin and oleic acid (a natural oil). It works like a bridge between water and oil, helping them blend together smoothly in cosmetic products.

It acts as an emulsifier to combine water and oil-based ingredients into a stable, smooth texture that won't separate over time.

Graded using: COSING.

Last verified: May 26, 2026