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Thickener

HYDROXYPROPYLCELLULOSE

CAS 9004-64-2 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 plant-cellulose polymer that thickens products and forms a smooth film. Used in food and ophthalmic medicines for decades; one of the safest cosmetic thickeners.

Function

BINDINGSURFACTANT - EMULSIFYINGEMULSION STABILISINGFILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Thickener and film former
  • Inert plant-derived polymer
  • Stabilizes emulsions
  • Used in pharma and food

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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Check your shelf

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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.