What is the minimum handwashing duration to ensure cleanliness?

The correct answer is based on guidelines established by health organizations, which emphasize that washing hands for a minimum of 20 seconds is crucial for effectively removing dirt, bacteria, and viruses. This duration allows sufficient time to lather soap and scrub all surfaces of the hands, including the backs, between fingers, and under the nails, which are often overlooked in shorter washes.

Research has shown that handwashing for less than 20 seconds may not adequately reduce the number of pathogens on the hands, increasing the likelihood of foodborne illnesses and infections. Therefore, adhering to the 20-second standard is essential in culinary settings to ensure food safety and protect public health.