I really liked this version the use of oils. The family of cats, and they can not be sniffing the majority of oils, which I like, had to abandon the use of the house. Now kicks in the car. The main thing is not to overdo it with the amount of droplets, sometimes as much as turn off, his eyes sick)) Couples triple drop me a week enough. She took another replacement pads, but I think those that included long enough great alternative himoznym skunk from supermarkets. I recommend!