PEG-8 PEG-4 DIMETHICONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PEG-8 PEG-4 DIMETHICONE

Safety grade: A

This is a silicone-based ingredient that helps mix oil and water together in cosmetic products. It also makes hair smoother and easier to manage while helping the product spread evenly on skin or hair.

It acts as an emulsifier to blend incompatible ingredients, conditions and smooths hair, and helps the product apply smoothly and consistently.

Graded using: COSING.

Last verified: May 26, 2026