Peg-9 Propylheptyl Ether
A cosmetic ingredient used as surfactant - emulsifying, surfactant - hydrotrope, surfactant - cleansing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
PEG-9 Propylheptyl Ether is the organic compound that conforms generally to the formula
What does it do?
Peg-9 Propylheptyl Ether is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Surfactant - emulsifying
surfactant that forms and stabilises emulsions of oil and water — without it, creams and lotions would separate
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Surfactant - hydrotrope
surfactant that increases the solubility of poorly-soluble substances in water-based formulations
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Surfactant - cleansing
surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes
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Surfactant
lowers surface tension, allowing oil and water to mix — the cleansing core of soaps and shampoos
EU regulatory status
Peg-9 Propylheptyl Ether is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Peg-9 Propylheptyl Ether?
Peg-9 Propylheptyl Ether is a cosmetic ingredient catalogued in the EU CosIng database. PEG-9 Propylheptyl Ether is the organic compound that conforms generally to the formula
Is Peg-9 Propylheptyl Ether allowed in cosmetics in the EU?
Yes. Peg-9 Propylheptyl Ether is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Peg-9 Propylheptyl Ether do in cosmetic products?
Peg-9 Propylheptyl Ether is declared in the EU cosmetic ingredient inventory with these functions: surfactant - emulsifying, surfactant - hydrotrope, surfactant - cleansing, surfactant.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 19/05/2025