How long will my cats smell like a salad?

Well it worked. Crazy internet remedies all over the place saying one thing and another saying not to… I have 2, 3 week old kittens and up until a few days ago I was worried about them as it seems momma gave them fleas. They were acting lethargic and I was getting worried.

I went ahead and bought some olive oil and soaked momma and the 2 babies in it. I let them wallow in the goo for a few hours and than washed them off. Well, I didn’t wash all of it off because I didn’t think I was supposed to. Anyway, I haven’t seen a flea in days.

How long do I keep the oil on them? When can I be sure all the fleas are really dead? Why do they smell so delicious? Anyway, you get the idea. Any insight would be appreciated!