Which of the following is NOT a disinfectant method used in esthetics?

Sanitizing wipes are generally used for cleaning surfaces and reducing the number of germs but are not classified as a disinfectant method. Disinfectants are designed to destroy or inactivate harmful microorganisms on surfaces and tools, which requires a higher-level approach than simply sanitizing.

In the context of esthetics, effective disinfectant methods include heat sterilization, which uses high temperatures to kill all forms of microbial life; ultrasonic cleaning, which employs high-frequency sound waves to agitate a solution, allowing for thorough cleaning and disinfection of tools; and alcohol sprays, which are commonly used for disinfecting surfaces and equipment due to their effectiveness against a wide variety of pathogens. These methods are integral to maintaining high standards of hygiene and safety in esthetic practices.