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Film Former

NITROCELLULOSE

CAS 9004-70-0
60

Safety score · 0–100

Fine

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

The backbone film-former of classic nail polish — cotton cellulose treated with nitric acid. Dries into the glossy, hard finish on nails.

Function

FILM FORMINGDISPERSING NON-SURFACTANT

Skin benefits

  • Key film former in nail polish
  • Dries into a hard glossy film
  • Long cosmetic history
  • Not a skin penetrant

Known concerns

  • Highly flammable in pure form
  • Does not biodegrade readily
  • May cause nail plate dehydration
  • Trace solvents may irritate

References

EU

EU CosIng database

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

Related film formers

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ACRYLATES/BEHENETH-25 METHACRYLATE/HEMA CROSSPOLYMER-2
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AMINOPROPYL ALUMINUM POLYSILSESQUIOXANE
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BIS-(HEA POLYCAPROLACTONE) PEG-2/PPG-3/IPDI COPOLYMER
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BIS-(HEMA/ETHYLHEXYL) POLY(1,4-BUTANEDIOL)-9/TMDI/IPDI COPOLYMER
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BIS-(METHOXY PEG-9 CARBAMOYL) POLY-SMDI
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BIS-HEA POLYDIETHYLENEGLYCOL ADIPATE/IPDI COPOLYMER
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BIS-HEMA POLOXAMER 251/IPDI COPOLYMER
Film Former

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