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Stearalkonium Chloride

A cosmetic ingredient used as antistatic, preservative, surfactant - cleansing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Benzyldimethyl(octadecyl)ammonium chloride

What does it do?

Stearalkonium Chloride is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Antistatic

    reduces static electricity, mostly in hair products to keep strands smooth and manageable

  • Preservative

    prevents microbial growth in cosmetic products, extending shelf life and protecting users

  • Surfactant - cleansing

    surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes

EU regulatory status

This ingredient is restricted in the European Union.

Stearalkonium Chloride is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 65V). It is permitted only under specific conditions, concentration limits, or in particular product types.

Notes: /54

Frequently asked questions

What is Stearalkonium Chloride?

Stearalkonium Chloride is a cosmetic ingredient catalogued in the EU CosIng database. Benzyldimethyl(octadecyl)ammonium chloride

Is Stearalkonium Chloride allowed in cosmetics in the EU?

Only with restrictions. Stearalkonium Chloride is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.

What does Stearalkonium Chloride do in cosmetic products?

Stearalkonium Chloride is declared in the EU cosmetic ingredient inventory with these functions: antistatic, preservative, surfactant - cleansing.

What is the CAS number of Stearalkonium Chloride?

The CAS (Chemical Abstracts Service) number for Stearalkonium Chloride is 122-19-0.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 21/11/2016