Up here in the Northeast we have a Springtime that heralds Bug Season...black flies , no-see-ums, and mosquitos. Certainly Deet works but I hate the stuff... it stings, melts plastic, can give one a headache (toluene) and you can't handle a trout with the stuff on!
I have used Woodsman Fly Dope... smells like pine tar... everyone turns around when you walk out of the woods and into a diner! But recently I have found a good one made with Picaridin... an organic compound that works and it has no scent per se. Non toxic. The one drawback is that it only lasts about half the time of an application of deet. (Deep woods Off) .
Try it out and see for yourself. Sometimes hard to find but camping stores should have it in season.