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Polysilsesquioxane Compositions and Process

SpecialChem / Jun 29, 2011

The present invention relates to non-porous hydrophobic spherical microparticles of polymethylsilsesquioxane (PMSQ) containing optical agents fully entrapped therein, the synthesis of these particles and their use in cosmetic, pharmaceutical and other personal care compositions and methods of making and using these compositions. Optical agents are useful in cosmetics through their ability to bot

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