Trail cam foggy lense fix?

[BrockWinegar]

On morning with alot of dew/fog my trailcam lens gets fogged up and the pictures of course come out blurry, does anyone have a coating/spray/trick they use to keep the camera lenses from getting foggy?

 

[Rich M]

RainX

It's what I use.

 

[BrockWinegar]

And it works well?