Emulsifier

Peg-25 Butylene Glycol Isostearate

INCI: PEG-25 BUTYLENE GLYCOL ISOSTEARATE

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Peg-25 Butylene Glycol Isostearate?

PEG-25 Butylene Glycol Isostearate is the polyethylene glycol derivative of Butylene Glycol Isostearate containing an average of 25 moles of ethylene oxide.

Its declared cosmetic functions are emulsifying and surfactant.

Source: European Commission CosIng inventory.

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