Reclaim Your Immunity! Sovereign Silver – 10 ppm – State-of-the-Art - Silver Hydrosol ... Way Beyond Colloidal Silver A Silver Hydrosol is a colloid of ultra-pure silver suspended in ultra-pure water. Even though other brands claim only water and silver in their formulations, this is hardly ever the case; one can find nitrates, stabilizers, contaminants, oxidation and other ingredients, in them, which should never be present.