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Polymeric ingredient

SULFONATED STYRENE/DVB CROSSPOLYMER

80

Safety score · 0–100

Good

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

A crosslinked sulfonated styrene polymer used as an insoluble matrix and controlled-release carrier. The high crosslinking limits skin penetration, but synthetic polymers face increasing environmental scrutiny.

Function

pH ADJUSTERS

Skin benefits

  • Crosslinked polymer providing controlled release and texture
  • Insoluble matrix limits skin penetration
  • Improves stability of suspensions and pigments
  • Can absorb cationic actives for slow release

Known concerns

  • Synthetic polymer with potential microplastic-style concerns
  • Environmental persistence depends on particle size
  • Limited transparency on residual styrene monomer

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