INCI · emollient · CIR review pending · used in 2 products
Isononyl Isononanoate
Isononyl Isononanoate is a synthetic ester formed from isononyl alcohol and isononanoic acid (IUPAC: 3,5,5-Trimethylhexyl 3,5,5-Trimethylhexanoate). It is listed under CAS numbers 59219-71-5 and 42131-25-9. According to CosIng, its official functions include antistatic, emollient, and skin conditioning. It is described as delivering a rich and creamy but non-greasy skin feel.
Evidence level
weakEWG score
—Comedogenic
—Category
emollient● Benefits
Acts as an emollient ester that makes skin supple and helps protect dry skin. It provides a rich, creamy texture without a greasy after-feel, making it suitable for a wide range of cosmetic formulations.
hydratingbarrier-supportsoothing
● Cautions
