Nature's SilverGuard is a solution of 18 ppm silver dissolved in purified water.
Each teaspoon (5 mL) provides 90 mcg of pure silver in colloidal form.
Directions (adults):Swish one teaspoon of Nature’s SilverGuard in the mouth for 30 seconds three times a day. Caution:This product contains silver and/ or silver salts. Avoid contact with broken or abraded skin.