Anionic surfactant
AMMONIUM LAURETH-9 SULFATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
An ethoxylated sulfate surfactant used in cleansers and shampoos for foam and cleansing. Milder than standard lauryl sulfates but can still irritate sensitive skin with heavy use.
Skin benefits
- Effective foaming and cleansing surfactant
- Milder than ammonium lauryl sulfate due to ethoxylation
- Cost-effective in cleansers and shampoos
Known concerns
- Can be irritating to eyes and skin at higher concentrations
- Possible trace 1,4-dioxane impurity from ethoxylation
- Strips natural oils with frequent use
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related anionic surfactants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.