Surfactant
C9-15 ALKYL PHOSPHATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A phosphate ester surfactant from C9-15 alcohols — used for cleansing and emulsifying in cosmetics. Generally well tolerated at standard use levels, with mild skin-irritation potential when used at higher concentrations.
Function
Skin benefits
- Anionic phosphate-ester surfactant
- Cleansing and emulsification
- Useful in low-pH and color cosmetics
Known concerns
- May irritate skin at higher use levels
- Potential for trace acidic residues affecting pH stability
- Limited monograph for the specific C9-15 distribution
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, so always read the physical product label and consult a healthcare professional for personal concerns.