Decyl Betaine
A cosmetic ingredient used as antistatic, cleansing, hair conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
(Carboxymethyl)decyldimethylammonium hydroxide
What does it do?
Decyl 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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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
Decyl 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 Decyl Betaine?
Decyl Betaine is a cosmetic ingredient catalogued in the EU CosIng database. (Carboxymethyl)decyldimethylammonium hydroxide
Is Decyl Betaine allowed in cosmetics in the EU?
Yes. Decyl Betaine is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Decyl Betaine do in cosmetic products?
Decyl Betaine is declared in the EU cosmetic ingredient inventory with these functions: antistatic, cleansing, hair conditioning, skin conditioning, surfactant - cleansing, surfactant - foam boosting, viscosity controlling.
What is the CAS number of Decyl Betaine?
The CAS (Chemical Abstracts Service) number for Decyl Betaine is 2644-45-3.
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