If you like the smell of cloves and cinnamon I suggest Thieves Oil. It smells so scrumptious!
The story behind it is very interesting but the blend purifies the air if you diffuse it. If you use it internally it fights germs and viruses. It's a wonderful first choice if you like the way it smells.
I put 3 drops in the water and I smell it all day, I don't just run it 15 minutes like they say to purify the air. To me it's better than those Glade Plug Ins that smell like flowers and spices. Thieves Oil has medicinal purposes too.
I think that Young Living Oils are truly wonderful. They last and last and last. I know they're expensive, sticker shock for sure, but I still have nearly a full bottle of Peppermint (I use about 1/8th what the recipe calls for when I use it for cooking), more than half a bottle of Orange, can't tell I've even used any of the Lemon, and more. They just go on and on and on.
It's using drops rather than sprinkles. That saves the oil where you can get the most out of them.