Personally, I use Picardin instead. It works well, but does not last more than about an hour. I have had the problem of DEET products attacking fly line so that is what caused me to switch.
This is a share article:
www.nytimes.com
This is a share article:
Is DEET Bug Spray Harmful?
Some worry that this active ingredient is toxic. Here’s what we know about its effect on human health.