Ethyl polysilsesquioxane

Ethyl polysilsesquioxane in plain language

What it does

Used in cosmetics as a nail conditioning agent.

• Nail conditioning

Is it a concern?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

• EU·CosIng·ActiveEthyl Polysilsesquioxane is a resinous material composed of a mixture of three-dimensional siloxane polymers and oligomers with cage structures. For the oligomers, each silicon atom in the polysilsesquioxane is connected via oxygen atoms to three other silicon atoms and can be represented by the empirical formulation RSiO3/2, where R represents the ethyl group. For the larger polymeric polysilsesquioxanes, some of the silicon atoms are not connected to other silicon atoms and instead have a silanol (SiOH) group. Ethyl Polysilsesquioxane is prepared by the hydrolysis and condensation of ethyl trimethoxysilane.

  • Ethyl Polysilsesquioxane is a resinous material composed of a mixture of three-dimensional siloxane polymers and oligomers with cage structures. For the oligomers, each silicon atom in the polysilsesquioxane is connected via oxygen atoms to three other silicon atoms and can be represented by the empirical formulation RSiO3/2, where R represents the ethyl group. For the larger polymeric polysilsesquioxanes, some of the silicon atoms are not connected to other silicon atoms and instead have a silanol (SiOH) group. Ethyl Polysilsesquioxane is prepared by the hydrolysis and condensation of ethyl trimethoxysilane.Source →

Expert safety opinions

No expert opinion on file for Ethyl polysilsesquioxane. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

• SCCS

  EU Scientific Committee on Consumer Safety

  No SCCS opinion on file.

• CIR

  Cosmetic Ingredient Review (US expert panel)

  No CIR safety assessment on file.