What it is
A branched-chain ester that is a clear, low-viscosity oil with an exceptionally light, dry, non-tacky skin feel. It improves spreadability, helps disperse pigments and sunscreen filters evenly, and leaves a velvety afterfeel without greasiness.
Safety & warnings
Considered a light, well-tolerated emollient with low irritation potential.
Origin & sourcing
Synthetic ester derived from isononyl alcohol and isononanoic acid.
Questions everyone asks
What does isononyl isononanoate do?
It is a light emollient that makes a sunscreen spread easily and feel dry and silky rather than oily.
Is it heavy or greasy?
No, it is one of the lighter, dry-feeling esters used in skincare.