Crystal clear Colloidal Silver is a sign of quality and shows the high ionic content of this solution. This Colloidal Silver has a neutral pH level of 7.5. For usage with handy pump action spray. Supplied in amber glass bottle. Colloidal Silver was first used as an antibiotic in 1891, historically silver has been used medicinally as far back as Ancient civilisations. Manufactured in 24 hour temperature controlled laboratory, using pharmaceutical grade equipment to create a crystal clear, highly stable, finest particle colloidal silver Ingredients: Aqua (Purified Water), CI 77820 (Silver)