There was actually a thread about this a long time ago, and they tried offering them in the store but no one bought them so they discontinued them. That thread is here:
I’ve been wanting to try this, but I would also need to buy some more pheromones, not to mention the actual burner. I believe Tisha and some others do this. Just replace some of the oil with pheromones. Probably not recommended with Turn Up the Heat, though.