To make a vinegar-based bug repellent, combine one cup of vinegar with three cups of water in a spray bottle and shake vigorously to combine. Add a few drops of your favorite essential oil or ...

Making a homemade bug spray is an effective ... Meet our experts So there you have it — how to make a homemade big spray in three simple steps. By using natural ingredients, you can effectively ...

Whether a bug spray expires depends on the active ingredient, says Laurence Zwiebel, the Cornelius Vanderbilt chair in biological sciences at Vanderbilt University. Most active ingredients used in ...