Over the past few decades, the term colloidal silver has been dramatically polluted by manufacturers that produce (knowingly or unknowingly) silver products contaminated by the presence of salts, proteins, compounds, stabilizers and oxidation all of which serve to degrade and diminish the bioactivity of the silver. Bio-Active Silver Hydrosol represents the ultimate refinement of the colloidal silver category and distinguishes itself from what is commonly known as colloidal silver due to its purity and finesse. Learn more about the various Types of Silver and what makes a silver hydrosol different.