Stearyl Betaine
A cosmetic ingredient used as antistatic, cleansing, foaming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
(Carboxylatomethyl)dimethyl(octadecyl)ammonium
What does it do?
Stearyl Betaine is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antistatic
reduces static electricity, mostly in hair products to keep strands smooth and manageable
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Cleansing
helps remove dirt, oil, makeup, and other contaminants from skin or hair
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Foaming
produces foam when mixed with water and agitated
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Hair conditioning
improves the appearance, feel, and manageability of hair
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Skin conditioning
improves the appearance, feel, and condition of skin
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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 - foam boosting
surfactant that increases the volume or stability of foam produced by other surfactants in the same formulation
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Viscosity controlling
adjusts the thickness or flow of a formulation
EU regulatory status
Stearyl Betaine 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 Stearyl Betaine?
Stearyl Betaine is a cosmetic ingredient catalogued in the EU CosIng database. (Carboxylatomethyl)dimethyl(octadecyl)ammonium
Is Stearyl Betaine allowed in cosmetics in the EU?
Yes. Stearyl Betaine is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Stearyl Betaine do in cosmetic products?
Stearyl Betaine is declared in the EU cosmetic ingredient inventory with these functions: antistatic, cleansing, foaming, hair conditioning, skin conditioning, surfactant - cleansing, surfactant - foam boosting, viscosity controlling.
What is the CAS number of Stearyl Betaine?
The CAS (Chemical Abstracts Service) number for Stearyl Betaine is 820-66-6.
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