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Thickener

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

78

Safety score · 0–100

Fine

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

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, so always read the physical product label and consult a healthcare professional for personal concerns.