OLETH-45 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLETH-45

Safety grade: A

Oleth-45 is a gentle cleaning agent made from oleic acid (a natural oil component) that has been chemically modified. It helps mix oil and water together in cosmetic products so they blend smoothly instead of separating.

This ingredient works as an emulsifier and surfactant to blend oil and water-based ingredients together and help cleanse the skin by removing oils and impurities.

Graded using: COSING.

Last verified: May 26, 2026