 It's not a situation where you're going to get 100% repellency, but you're going to reduce the numbers. So if you're outside and you have a nice lemon thyme lawn, for example, or go and walk on it, and when you walk on it, you're expressing the oils, and the oils are released into the air, and that's what helps reduce mosquitoes. It seems that they don't like the lemon oils at all, so...