Many people never think twice about whether the toilet lid should be up or down when they flush. However, the choice may matter because flushing can create tiny droplets and particles that become airborne, a phenomenon often called a “toilet plume.” These particles can potentially settle on nearby bathroom surfaces and belongings.

The force of flushing can send microscopic droplets beyond the toilet bowl, depending on the toilet and bathroom environment. Items such as toothbrushes, towels, cosmetics, and other personal belongings may be better stored away from the immediate area around the toilet. Keeping frequently used items protected is a simple way to improve bathroom hygiene.

Closing the lid before flushing is a sensible habit, but it isn’t a complete solution. Research has indicated that some airborne particles can still escape from a toilet even when the lid is closed. In other words, lowering the lid may help, but it shouldn’t create a false sense of security or replace regular cleaning.

A cleaner bathroom requires several good habits working together. Frequently touched surfaces should be cleaned regularly, and personal items should be stored in places where they are less likely to be exposed to particles from flushing. Good handwashing is also one of the most important everyday habits for maintaining hygiene.

Ventilation can provide another layer of protection by improving air circulation and reducing lingering moisture and airborne particles. So, should you close the lid before flushing? Yes, it’s a simple habit worth adopting, but it works best alongside regular cleaning, proper storage of personal belongings, good ventilation, and overall bathroom hygiene.