Core-Shell Particles Comprising a Zinc Oxide Nanoparticle Core Coated with a Shell Containing Silicon Compound and Titanium Dioxide

摘要

The present invention comprises: (a) zinc oxide nanoparticle core and (b) the silicon surrounding the surface of the core a core containing the compound and a shell containing a titanium dioxide nanoparticle - shell particles , and relates to a preparation method thereof . Improved according to the present invention is soft and dispersibility , as well as to control the hydrophilicity , there is a property that causes clouding phenomenon even at a high concentration can be produced significantly lower yet still exhibit good SPF value particle . In addition, the present invention has excellent touch , as well as the compatibility of various formulations and can be introduced into the cosmetic of the bar to the skin is stretched with a good advantage , the core of the present invention to produce a sunscreen cosmetic composition containing a shell particles can be . ;