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Conditioning Agent

PPG-18 BUTYL ETHER

CAS 9003-13-8
78

Safety score · 0–100

Fine

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

A propoxylated butyl ether (PPG-18) used as a lightweight emollient and conditioning agent. Generally safe at cosmetic levels, with minor caveats around propoxylation byproducts in poorly purified grades.

Function

HAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Smooth, non-greasy skin feel
  • Hair and skin conditioning film
  • Helps disperse oils in formulations

Known concerns

  • Trace 1,4-dioxane possible from propoxylation if not vacuum-stripped
  • Mild irritation potential at high use levels
  • Limited deep-skin penetration data

References

EU

EU CosIng database

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

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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.