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Film Former

ACETYLENEDIUREA/FORMALDEHYDE/TOSYLAMIDE CROSSPOLYMER

32

Safety score · 0–100

Caution

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

A nail-polish film former combining tosylamide and formaldehyde chemistry. Both components are well-documented contact allergens, and the formaldehyde release makes this a Caution-grade ingredient for sensitive users.

Function

FILM FORMING

Skin benefits

  • Hard, glossy film for nail polish
  • Improves film durability and adhesion
  • Slow-release formaldehyde preservation

Known concerns

  • Formaldehyde-releasing component (IARC Group 1)
  • Tosylamide is a documented nail-polish contact allergen
  • Combined formaldehyde + tosylamide exposure compounds sensitization risk
  • EU restrictions apply to free formaldehyde levels

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.