| abstract |
Accordingly, the present invention provides a composition in powder form comprising highly dispersed silica particles, polymethylsiloxane particles, and one or both of a cationic surfactant and an antimicrobial agent, wherein the cationic surfactant Is present in the primary polymethylsiloxane particles, the cationic surfactant is supported on the surface of the primary particles and / or in the aggregates, and / or at least 25 of the antimicrobial substance. % By weight is present in the primary highly dispersed silica particles and the antimicrobial substance is supported on the surface of the primary particles and / or in the aggregates. [Selection figure] None |