Which of the following is an example of an unsafe practice in barbering?

Using non-disposable razors without proper disinfection is an unsafe practice in barbering because it poses a significant risk of spreading infections and diseases between clients. While non-disposable razors can be effective tools in a barber's kit, they require meticulous cleaning and disinfection between uses to ensure that any pathogens, blood, or skin cells are eliminated. This is crucial in a profession where close physical contact and the breaking of skin can occur.

In contrast, using disposable razors, wearing gloves during services, and sanitizing tools after every client are all practices that enhance safety and hygiene in a barbershop setting. Disposable razors are designed for single use, which mitigates the risk of cross-contamination. Wearing gloves can protect both the barber and the client from potential infections, and regularly sanitizing tools ensures that they are safe for use on each new client. Thus, maintaining proper disinfection protocols is essential for safeguarding the health of both barbers and their clientele.