Coloidal Silver can be defined as a suspension of ultra fine silver ions or particles in pure water. Silver has been used medicinally as far back as 4000 B.C.
Nature's Greatest Secret Amber Enhanced Colloidal Silver Dropper is a premium grade two stage process with more than 80% Colloidal. This solution has larger, visible particles, more than 100 times the size of the 10ppm and 20ppm ionic silver ions and are more resilient to acidic enviroments.