I've gotten counterfeit huggies diapers from amazon (invalid serial number for huggies 'points' and different build quality), Mach 3 razor blades, GE MWF Water filters, even a counterfeit baby bath.
The baby bath counterfeit was obvious I got a box with only chinese characters on the box:
Here is there response: " We had a recent issue with an Amazon seller selling “knock-off” Blooming Baths on our Amazon account. We have since had this seller removed entirely from Amazon, as these are counterfeit items and NOT the Blooming Bath. The product you have received is not ours, I suggest returning it and ordering again from Amazon or from www.bloomingbath.com. Just make sure the seller you buy from is “Blooming Bath” if you buy from Amazon.
Very sorry for this inconvenience. "
I no longer trust amazon for anything health related - it just seems too easy to get counterfeit products into their system.