Diisostearoyl Trimethylolpropane Siloxy Silicate Good Emollient Hydration Diisostearoyl Trimethylolpropane Siloxy Silicate description Diisostearoyl trimethylolpropane siloxy silicate is an emollient in the silicone family. As an emollient, it helps promote skin hydration. Related ingredients: Silicone