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Film Former

POLYVINYL BUTYRAL

CAS 63148-65-2 Updated
75

Safety score · 0–100

Fine

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

About

A synthetic film-forming polymer — creates smooth, flexible films in long-wear cosmetics and nail products. Inert on skin; main note is microplastic concern in rinse-off applications.

Skin benefits

  • Forms smooth, flexible films
  • Used in long-wear makeup and nail products
  • Inert polymer on skin
  • Improves wear and durability

Known concerns

  • Synthetic polymer — microplastic concern in rinse-off
  • Limited dermal absorption data

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