Cited skincare — every flag names its source, no upsell.
Is

Isononyl Isononanoate

Isononyl IsononanoateBarrier

A lightweight softener with a smooth, dry slip — helps sunscreens and makeup spread without a greasy finish.

The evidence, graded

expert consensusUS safety reviewers (2015) assessed 237 alkyl esters used in cosmetics. Their index lists these eight under that report: coco-caprylate, heptyl undecylenate, propylheptyl caprylate, isononyl isononanoate, isodecyl neopentanoate, ethylhexyl stearate, octyldodecyl neopentanoate and tridecyl neopentanoate. They say these esters most often condition skin. They judged them safe as used, when a product is made not to irritate.Fiume 2015 · International Journal of Toxicology ↗

Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.

Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.

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