Sovereign Silver - Bio-Active Silver Hydrosol 10 Ppm - 1 oz. (29 mL) Sovereign Silver Bio-Active Silver Hydrosol 10 Ppm represents the ultimate refinement of the colloidal silver category. It contains 98% positively charged silver in pharmaceutical-grade purified water. Sovereign Silver s unique silver species with a verified and unmatched particle size remains in its most active state for use within the body. Colloidal Silver has been used since the late 1800 s in countless applications and encompasses a wide variety of silver products. Many contain (claimed or unclaimed) salts proteins compounds or stabilizers - all of which affect the safety and efficacy of silver. Bio-Active Silver Hydrosol 10 Ppm Features: Provides immune support 10 ppm more effective than competing brands 99.999% pure silver and pharmaceutical-grade purified water #1 selling silver brand Start Positive If silver is not positively charged it doesn t work