OLETH-24 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLETH-24

Safety grade: A

Oleth-24 is a gentle cleaning agent derived from oleic acid (a natural oil found in olives and other plants) that has been chemically modified. It helps dissolve oil and dirt from skin and hair.

This ingredient works as a cleanser and surfactant to remove oils, makeup, and impurities from the skin while helping to blend oil and water-based ingredients together in formulas.

Graded using: COSING.

Last verified: May 26, 2026