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Cetyldimethylsiloxy Trimethylsiloxysilicate

INCI: CETYLDIMETHYLSILOXY TRIMETHYLSILOXYSILICATE

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Cetyldimethylsiloxy Trimethylsiloxysilicate?

Cetyldimethylsiloxy Trimethylsiloxysilicate is the product formed by the hydrolysis and subsequent condensation of tetramethyldicetyldisiloxane, chlorotrimethylsilane and tetraethylorthosilicate.

Its declared cosmetic function is skin protecting.

Source: European Commission CosIng inventory.

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