Methyl/phenyl Polysilsesquioxane
A cosmetic ingredient used as opacifying, slip modifier in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Silsesquioxanes, Me Ph
What does it do?
Methyl/phenyl Polysilsesquioxane is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Opacifying
makes a transparent or translucent formulation opaque or pearlescent
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Slip modifier
alters how a product spreads and feels on skin — typically making it glide more smoothly
EU regulatory status
Methyl/phenyl Polysilsesquioxane is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Methyl/phenyl Polysilsesquioxane?
Methyl/phenyl Polysilsesquioxane is a cosmetic ingredient catalogued in the EU CosIng database. Silsesquioxanes, Me Ph
Is Methyl/phenyl Polysilsesquioxane allowed in cosmetics in the EU?
Yes. Methyl/phenyl Polysilsesquioxane is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Methyl/phenyl Polysilsesquioxane do in cosmetic products?
Methyl/phenyl Polysilsesquioxane is declared in the EU cosmetic ingredient inventory with these functions: opacifying, slip modifier.
What is the CAS number of Methyl/phenyl Polysilsesquioxane?
The CAS (Chemical Abstracts Service) number for Methyl/phenyl Polysilsesquioxane is 67763-03-5.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 23/10/2019