What is the main function of a disinfectant?

The main function of a disinfectant is to kill disease-producing micro-organisms, making option C the correct choice. Disinfectants are specifically formulated to eliminate bacteria, viruses, fungi, and other pathogens on surfaces, thereby reducing the risk of infection and contamination. This is particularly important in environments such as salons, spas, and medical facilities, where maintaining a sterile environment is crucial for client safety and overall health.

In understanding disinfectants, it is important to note that while they may assist with cleaning surfaces, the primary purpose is not just cleaning but effectively targeting and destroying harmful microorganisms. Options indicating moisturizing properties or enhancing fragrance do not relate to the action of disinfectants, as these functions pertain to different product categories, such as moisturizers or fragrances, which serve distinct roles in skin care and hygiene.