(((Comfort Zone)))

[AbbyMom]

I keep one going downstairs and one upstairs all the time. As soon as one runs out, Becky and Abby will start fighting.

We buy the refills off the Internet in quantity (a dozen in a case, I think) and it's a lot less expensive than the pet store.

I have never noticed an odor, and I'm allergic to many strong scents.

It might work for Cosmo. Good luck.

[Glacier]

I have it all over my house. A diffuser in just about every room. It has greatly reduced the aggression towards Ivy and the inappropriate peeing from Onyx. I order in bulk off the net too, much cheaper!