Steardimonium Propyl Choride Silsesquioxane Silicate
A cosmetic ingredient used as antimicrobial, film forming, surfactant - cleansing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Steardimonium Propyl Choride Silsesquioxane Silicate is a complex siloxane polymer formed by the hydrolysis and condensation of Tetraethyl Orthosilicate and Triethoxysilylpropyl Steardimonium Chloride.
What does it do?
Steardimonium Propyl Choride Silsesquioxane Silicate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antimicrobial
kills or inhibits the growth of microorganisms
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
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Surfactant - cleansing
surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes
EU regulatory status
Steardimonium Propyl Choride Silsesquioxane Silicate 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 Steardimonium Propyl Choride Silsesquioxane Silicate?
Steardimonium Propyl Choride Silsesquioxane Silicate is a cosmetic ingredient catalogued in the EU CosIng database. Steardimonium Propyl Choride Silsesquioxane Silicate is a complex siloxane polymer formed by the hydrolysis and condensation of Tetraethyl Orthosilicate and Triethoxysilylpropyl Steardimonium Chloride.
Is Steardimonium Propyl Choride Silsesquioxane Silicate allowed in cosmetics in the EU?
Yes. Steardimonium Propyl Choride Silsesquioxane Silicate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Steardimonium Propyl Choride Silsesquioxane Silicate do in cosmetic products?
Steardimonium Propyl Choride Silsesquioxane Silicate is declared in the EU cosmetic ingredient inventory with these functions: antimicrobial, film forming, surfactant - cleansing.
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Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 23/05/2023