Name an essential sanitizing agent used in beauty practices.

Alcohol and hydrogen peroxide are widely recognized as essential sanitizing agents in beauty practices due to their effective antimicrobial properties. Both substances can eliminate bacteria, viruses, and fungi on surfaces and tools used in beauty treatments, which is crucial for maintaining hygiene and preventing infections.

Alcohol, particularly in concentrations of 60% to 90%, acts quickly to denature proteins and disrupt cellular membranes of pathogens. This makes it particularly useful not only for sanitizing implements but also for disinfecting skin surfaces before procedures.

Hydrogen peroxide serves a similar role by releasing oxygen when it decomposes, which then acts to oxidize and destroy microbes. It can be used to disinfect surfaces and tools, ensuring they are safe for use.

In contrast, the other options such as olive oil, coconut oil, and vinegar do not possess the same level of antimicrobial effectiveness. While they may have some benefits in moisturizing or cleansing, they are not primarily used for sanitizing and would not be dependable choices for ensuring proper sanitation in beauty practices.