PEG-3 DIISOSTEARATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEG-3 DIISOSTEARATE

Safety grade: A

This is a man-made helper ingredient that acts like a bridge between oil and water, allowing them to mix together smoothly. It helps prevent cosmetic products from separating into layers.

This emulsifier blends oily and water-based ingredients together to create a stable, uniform product texture and prevent separation.

Graded using: COSING.

Last verified: May 26, 2026