Which of the following actions is NOT important in preventing the spread of infection?

Using bar soap is considered less effective for preventing the spread of infection in a professional setting, such as a nail salon, compared to liquid soap. Liquid soap is often dispensed in a pump, which minimizes contamination since it doesn't require direct hand contact with the soap itself. Bar soap, on the other hand, is prone to harboring bacteria on its surface due to repeated handling, making it less hygienic.

On the other hand, wearing gloves, practicing hand washing, and brushing under the nails are all crucial practices for infection control. Wearing gloves provides a barrier between the technician's hands and potentially harmful pathogens. Proper hand washing removes dirt and microorganisms effectively, reducing the risk of transmission. Cleaning under the nails is essential as debris can harbor bacteria that may lead to infections. Each of these actions contributes significantly to maintaining a safe and hygienic environment in nail care.