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Thickener

POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER

Updated
78

Safety score · 0–100

Fine

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

About

A large polyether built on a pentaerythritol core — used as a viscosity controller and stabiliser in cosmetic emulsions. Considered safe at typical levels with the usual ethoxylation purity caveat.

Function

VISCOSITY CONTROLLING

Skin benefits

  • Polymeric viscosity controller
  • Stabilises cosmetic emulsions
  • Provides smooth, slippery skin feel
  • Compatible with most cosmetic actives

Known concerns

  • Trace 1,4-dioxane possible from PEG portion if unpurified
  • Limited ingredient-specific toxicology

References

EU

EU CosIng database

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

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Check your shelf

Find POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER in your products.

Scan any cosmetic product with LuxSense to see if it contains POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER 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 — always read the physical product label and consult a healthcare professional for personal concerns.