Which step is crucial in the prevention of cross-contamination?

Using new or disinfected tools for each client is crucial in the prevention of cross-contamination because tools and implements can harbor bacteria, viruses, and fungi that may be transferred from one client to another if not properly managed. When fresh or adequately disinfected tools are employed for each individual, the risk of spreading infections or diseases is significantly minimized. This practice ensures that each client receives care with items that have not been tainted by contact with a previous client’s skin, hair, or bodily fluids.

While washing hands after each client, wearing gloves during all services, and cleaning work surfaces regularly are all important practices for maintaining hygiene and safety in a cosmetology setting, they do not address the specific risk posed by shared tools and implements. Proper tool sanitation is a foundational step in infection control, as it directly relates to the items that come into direct contact with clients' skin and hair. Thus, ensuring that tools are either new or properly disinfected before each use is essential for preventing cross-contamination effectively.