Isostearic Acid
A cosmetic ingredient used as binding, cleansing, surfactant - cleansing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Isooctadecanoic acid
What does it do?
Isostearic Acid is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Binding
holds the components of a formulation together, especially in pressed powders and compact makeup
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Cleansing
helps remove dirt, oil, makeup, and other contaminants from skin or hair
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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 - emulsifying
surfactant that forms and stabilises emulsions of oil and water — without it, creams and lotions would separate
EU regulatory status
Isostearic Acid 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 Isostearic Acid?
Isostearic Acid is a cosmetic ingredient catalogued in the EU CosIng database. Isooctadecanoic acid
Is Isostearic Acid allowed in cosmetics in the EU?
Yes. Isostearic Acid is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Isostearic Acid do in cosmetic products?
Isostearic Acid is declared in the EU cosmetic ingredient inventory with these functions: binding, cleansing, surfactant - cleansing, surfactant - emulsifying.
What is the CAS number of Isostearic Acid?
The CAS (Chemical Abstracts Service) number for Isostearic Acid is 30399-84-9 / 2724-58-5.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010