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Film Former

POLYUREA CROSSPOLYMER-3

80

Safety score · 0–100

Good

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

A guanidine-HDI polyurea crosspolymer used for tough, durable nail and cosmetic films. Cured polymer is well-tolerated; residual HDI is the main flag but kept low by good manufacturing practice — lower green.

Function

FILM FORMING

Skin benefits

  • Forms tough, durable films
  • Good for nail products
  • Long-wear performance
  • Scratch and chip resistance

Known concerns

  • Trace residual HDI possible — sensitiser
  • Not biodegradable
  • Limited cosmetic-specific safety publications

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related film formers

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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.