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Thickener

POLYACRYLIC ACID

CAS 9003-01-4 Updated
80

Safety score · 0–100

Good

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

About

A polymer used to thicken and stabilize creams and gels. Inert at the molecular weights used; only the trace residual monomer matters and is tightly controlled.

Function

BINDINGEMULSION STABILISINGFILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Effective thickener and gel-former
  • Inert polymeric backbone
  • Improves product texture and stability

Known concerns

  • Trace residual acrylic acid monomer possible
  • Mainly a processing aid

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.