Ultrasonically sealed cartridge and pump mechanisms prevent ingress of air in cartridge to help prevent product contamination. Dispenser is exclusively protected by BioCote, a silver based antimicrobial agent that is incorporated into the plastic and inhibits the growth of bacteria and molds on the dispenser. Unique locking mechanism helps prevent the unauthorized access and product contamination. Color-coded push button for easy visual identification of product type to encourage correct product usage and compliance.