What is a common indicator that a disinfectant is effective, based on label instructions?

A common indicator that a disinfectant is effective, based on label instructions, is often related to visible moisture. This is crucial because disinfectants typically must remain wet on surfaces for a specified contact time to effectively kill pathogens. The presence of visible moisture indicates that the disinfectant is still working and has not dried out, which ensures that it maintains its antimicrobial properties and effectiveness during the required dwell time.

While fragrance, color change, and temperature can serve as indicators or features of various cleaning products, they do not universally confirm the effectiveness of disinfectants in the same manner as the necessity of maintaining moisture. Available evidence indicates that without the right moisture level, the disinfectant may not achieve its intended effect, underscoring the importance of following the label's instructions for both application and maintenance of moisture for optimal efficacy.