Dr. Don and Professor Ben talk about the risks of open, refillable bulk soap containers. Dr. Don - risky ☣️ Professor Ben - risky ☣️ Influence of Soap Characteristics and Food Service Facility Type on the Degree of Bacterial Contamination of Open, Refillable Bulk Soaps | Journal of Food Protection | Allen Press Guideline for Hand Hygiene in Health-Care Settings Urban Dictionary: marry the ketchups Bacterial hand contamination and transfer after use of contaminated bulk-soap-refillable dispensers - PubMed