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Film Former

ETHYL POLYSILSESQUIOXANE

Updated
80

Safety score · 0–100

Good

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

About

A cage-structured silicone resin (T-resin) used as a nail conditioning agent. As a high-molecular-weight cured siloxane it is essentially inert on skin and well tolerated at typical use levels.

Function

NAIL CONDITIONING

Skin benefits

  • Forms durable, breathable films on nails
  • Improves wear of nail lacquer formulations
  • Inert siloxane resin with minimal skin penetration

Known concerns

  • Cage siloxane resin; not biodegradable
  • Solvent-borne grades may carry residual VOCs
  • Rare individual sensitivity

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.