Skip to content

Emulsifier

OLETH-5

CAS 9004-98-2
62

Safety score · 0–100

Fine

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

An oleyl alcohol PEG-5 ether used as a non-ionic emulsifier and solubilizer. Mild in finished products but inherits the PEG family 1,4-dioxane concern.

Skin benefits

  • Non-ionic surfactant and emulsifier
  • Solubilizes oils into water
  • Mild on skin in rinse-off

Known concerns

  • PEG-class — possible 1,4-dioxane traces
  • Eye irritation in concentrate
  • Limited use on damaged skin

References

EU

EU CosIng database

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

Related emulsifiers

Check your shelf

Find OLETH-5 in your products.

Scan any cosmetic product with LuxSense to see if it contains OLETH-5 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.