Water and sugar water seems to have some positive effect as it takes the ladys some time to clean themselves and put the makeup back onI have used water. Not the same effect. I have used water with essential oils. Not the same effect. I have used sugar water. Not the same effect. You can blow on bees and see the effect of CO2. It pisses them off. I'm sure it's the tars etc that temporarly interfere with their sense of smell, which is in their antennae.