emollient
Isopropyl Isostearate
Generally safe·Moderate evidence
A fatty acid ester derived from isostearic acid and isopropyl alcohol, valued for its lightweight emollient properties and smooth feel on skin. It is an inert conditioning agent with minimal risk of irritation at typical cosmetic use levels.
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.