Emulsifier
C12-15 ALKETH-3 PHOSPHATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A phosphate-ester emulsifier from C12-15 fatty alcohols (3 EO units). Effective and milder than sulfates, but the ethoxylation step requires careful control of 1,4-dioxane impurities.
Function
Skin benefits
- Effective emulsifier and surfactant for O/W emulsions
- Mild compared to sulfate surfactants
- Stabilizes complex sunscreen and lotion bases
Known concerns
- Ethoxylation chemistry — 1,4-dioxane impurity must be controlled
- Phosphate residues raise mild ecotoxicity concern
- Quality varies between suppliers
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related emulsifiers
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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.