Which of the following practices is essential in nail salon operations?

Ensuring proper ventilation in nail salon operations is crucial for maintaining a safe and healthy environment for both clients and technicians. Good ventilation helps to disperse potentially harmful fumes from nail products, such as solvents, acetone, and other chemicals that can be released during nail treatments. These substances can pose health risks if inhaled over time, such as respiratory issues or allergic reactions.

Proper ventilation systems can include exhaust fans, open windows, and air purifiers that work to remove harmful particles from the air. This practice not only protects the health of everyone present in the salon but also enhances the overall client experience by minimizing unpleasant odors and creating a more comfortable atmosphere.

In contrast, using expired products, allowing clients to bring their own products, and neglecting to wear gloves represent practices that could endanger client health or safety and violate sanitation regulations. Using outdated products can lead to ineffective results or skin reactions, while not wearing gloves increases the risk of contamination and transmission of pathogens.