What is an expected outcome of effective hand washing?

Effective hand washing is primarily aimed at reducing the presence of pathogens on the skin. When hands are washed properly with soap and water, it effectively removes dirt, bacteria, viruses, and other microorganisms that reside on the skin's surface. This process is essential in preventing the spread of infections and diseases, making it a critical practice in personal hygiene and public health.

When hands are thoroughly washed, the mechanical action of scrubbing combined with the surfactants in soap breaks down the oils and debris that can harbor germs. Rinsing with clean water then washes these contaminants away. Therefore, the expected outcome of effective hand washing is indeed a significant reduction in pathogens, leading to a decrease in the likelihood of illness transmission. This is why it is emphasized in various health guidelines and protocols.