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Thickener

HYDROXYETHYL ETHYLCELLULOSE

CAS 9004-58-4 Updated
88

Safety score · 0–100

Good

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

About

A modified-cellulose polymer that thickens lotions, gels, and shampoos. Plant-derived, very high molecular weight so it does not absorb into skin, and consistently rated as low-irritation by safety panels.

Function

BINDINGSURFACTANT - EMULSIFYINGEMULSION STABILISINGFILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Builds smooth, even viscosity
  • Forms a flexible film on skin and hair
  • Stabilises emulsions

Known concerns

  • No significant concerns at cosmetic concentrations

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