The duration of the effectiveness of an anti-fog wipe will depend on the specific product you are using and the conditions in which it is used.
Some anti-fog wipes may last for several hours or even a full day, while others may only last for a few minutes.
In general, the effectiveness of an anti-fog wipe will decrease over time 2s the coating wears off or becomes contaminated with dirt or grime.
If use an anti-fog wipe on a surface that is frequently exposed to ‘moisture or heat, the coating may also break down more quickly.