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Film Former

HYDROGEN DIMETHICONE/OCTYL SILSESQUIOXANE COPOLYMER

80

Safety score · 0–100

Good

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

A hybrid silicone copolymer with reactive Si-H bonds and silsesquioxane structures — forms durable, flexible films often used as a binder for makeup powders. Inert after cure.

Function

BINDING

Skin benefits

  • Forms flexible, durable films
  • Binder for makeup powders
  • Improves long-wear
  • Inert at use levels

Known concerns

  • Si-H bonds can react during manufacture
  • Not biodegradable
  • Limited public toxicology

References

EU

EU CosIng database

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

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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.