Cleansing Agent

Ammonium Laureth-9 Sulfate

INCI: AMMONIUM LAURETH-9 SULFATE

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Ammonium Laureth-9 Sulfate?

Ammonium Laureth-9 Sulfate (INCI: AMMONIUM LAURETH-9 SULFATE) is a cosmetic ingredient listed in the EU CosIng inventory. Dodecan-1-ol, ethoxylated, sulfates, ammonium salts, 9 mol EO (average molar ratio).

Its declared cosmetic functions are cleansing, foaming and surfactant.

Source: European Commission CosIng inventory.

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