No.
Unlike some ‘push-button’ foamers, you don’t have to buy specialised milks of the same brand fitting your machine. You are free to use the milks and alternatives you like, giving you full control of
- taste - make it yours
- amount used - no waste
- budget spent - milk of choice
More on Can I steam various types of milk?
By the way, there is no specialized Perfect Moose milk. Should you ever try to steam real milk from a moose, you're our hero. Let us know.