Surfactant
LAURETH-21
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A laureth surfactant with 21 ethylene oxide units. The high EO count makes it mild and water-loving. Trace 1,4-dioxane from manufacturing is the classic concern.
Skin benefits
- Mild nonionic surfactant and solubilizer
- Good for oil-in-water emulsions
- Reduces irritation of harsher surfactants
Known concerns
- Trace 1,4-dioxane risk from ethoxylation
- Possible ethylene oxide residues if not stripped
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related surfactants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.