OLETH-35 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLETH-35

Safety grade: A

Oleth-35 is a synthetic cleansing agent derived from oleic acid (a natural oil component) that has been chemically modified. It helps dissolve oils and dirt from the skin and helps ingredients mix together in formulas.

This ingredient works as a cleanser and emulsifier to remove makeup and impurities, while also helping oil and water-based ingredients blend smoothly in cosmetic products.

Graded using: COSING.

Last verified: May 26, 2026