Skip to content

Emulsifier

CETETH-10 PHOSPHATE

CAS 50643-20-4
78

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A phosphate-ester emulsifier built on ethoxylated cetyl alcohol — stabilises oil-in-water creams, especially sunscreens. Generally well-tolerated, with the usual PEG caveats about purification grade.

Skin benefits

  • Efficient anionic emulsifier for stable oil-in-water creams
  • Good compatibility with mineral and chemical UV filters
  • Mild skin feel at typical use levels

Known concerns

  • Ethoxylated material — purification grade affects residual 1,4-dioxane levels
  • Mild eye irritant at higher concentrations
  • Some users avoid PEG-class surfactants generally

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related emulsifiers

Check your shelf

Find CETETH-10 PHOSPHATE in your products.

Scan any cosmetic product with LuxSense to see if it contains CETETH-10 PHOSPHATE and get a full ingredient breakdown with safety scores.

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.