Which of the following is an acceptable way to sanitize tools?

Using a disinfectant solution is the correct method for sanitizing tools in a barbering setting. This practice is essential because disinfectants are specifically formulated to kill bacteria, viruses, and fungi that can linger on tools and surfaces, ensuring a safe and hygienic environment for both the barber and the client. Proper disinfection not only adheres to health regulations but also minimizes the risk of transmitting infections.

Soaking tools in warm water, while it may remove some debris, does not effectively kill pathogens. Wiping with a damp cloth might clean the surface but fails to ensure that harmful microorganisms are eliminated. Letting tools air dry can be part of the post-sanitization process, but on its own, it does not provide the level of cleanliness required for tools that come into direct contact with clients. Therefore, using a disinfectant solution is the crucial step for effective sanitation in barbering practices.