How to Use Rain-X Anti-Fog?
First, you just apply a small amount of Rain‑X® Anti-Fog to a paper towel or 100% cotton cloth.
Next, wipe across surface to be treated.
Then, allow it to dry.
Re-apply as needed to maintain fog-free condition.
If any haze appears due to excess application, sprinkle with water and wipe with a dry cloth or paper towel until clear.