SilverKare Colloidal Silver (30 ppm)SilverKare Colloidal Silver (30 ppm) SilverKare is a trademarked product, manufactured by a proprietary process that ensures purity. Unlike many other products on the market, no saline solution is added to SilverKare during the manufacturing process, so SilverKare contains only pure water (filtered through seven different steps to remove impurities to 0. 5 microns) and silver (particle size 0. 0015 microns). The very small particle size allows the