Quaternium-18
A cosmetic ingredient used as antistatic, hair conditioning, surfactant - cleansing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, chlorides
What does it do?
Quaternium-18 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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Hair conditioning
improves the appearance, feel, and manageability of hair
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Surfactant - cleansing
surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes
EU regulatory status
Quaternium-18 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 Quaternium-18?
Quaternium-18 is a cosmetic ingredient catalogued in the EU CosIng database. Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, chlorides
Is Quaternium-18 allowed in cosmetics in the EU?
Yes. Quaternium-18 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Quaternium-18 do in cosmetic products?
Quaternium-18 is declared in the EU cosmetic ingredient inventory with these functions: antistatic, hair conditioning, surfactant - cleansing.
What is the CAS number of Quaternium-18?
The CAS (Chemical Abstracts Service) number for Quaternium-18 is 61789-80-8.
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