Emollient

Isopropyl Isostearate

Reviewed by Kate · Last updated 18 Aug 2026

Ester of isopropyl alcohol and isostearic acid

What Is Isopropyl Isostearate?

Isopropyl isostearate is the ester of isopropyl alcohol and isostearic acid. It is used as a skin-softening agent and emollient in cosmetics products, retaining none of the sensitizing potential pure isopropyl alcohol has.

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