Sodium Isostearate
A cosmetic ingredient used as cleansing, surfactant - cleansing, surfactant - emulsifying in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Isooctadecanoic acid, sodium salt
What does it do?
Sodium Isostearate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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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
Sodium Isostearate 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 Sodium Isostearate?
Sodium Isostearate is a cosmetic ingredient catalogued in the EU CosIng database. Isooctadecanoic acid, sodium salt
Is Sodium Isostearate allowed in cosmetics in the EU?
Yes. Sodium Isostearate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Sodium Isostearate do in cosmetic products?
Sodium Isostearate is declared in the EU cosmetic ingredient inventory with these functions: cleansing, surfactant - cleansing, surfactant - emulsifying.
What is the CAS number of Sodium Isostearate?
The CAS (Chemical Abstracts Service) number for Sodium Isostearate is 64248-79-9.
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