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Isononyl Isononanoate

ISONONYL ISONONANOATE

Data confidence:High

Function

Emollient, Skin Conditioning Agent

EWG Safety Score

3/10Moderate concern

About this ingredient

Isononyl isononanoate is a synthetic branched ester composed of isononyl alcohol and isononanoic acid. It functions as an emollient and skin conditioning agent that provides a lightweight, non-greasy feel while improving product spreadability, absorption, and sensory profile in sunscreens, moisturizers, and other skincare formulations.

Found in 1+ sunscreens