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

PEG-8 SESQUIOLEATE

Safety grade: A

This is a synthetic ingredient made by combining polyethylene glycol with oils derived from plants. It acts like a bridge that helps oil and water mix together smoothly in cosmetic formulas.

It works as an emulsifier to blend oil and water-based ingredients together, creating a smooth, uniform texture in creams, lotions, and makeup products.

Graded using: COSING.

Last verified: May 26, 2026