I had the impression that Amazon’s house brand was about getting more margin by cutting out some layers of middlemen, not actually starting their own factories.
https://qz.com/1815496/ny-forces-prisoners-to-make-hand-sani...
"Incarcerated people tasked to make hand sanitizer to fight coronavirus are banned from using it themselves"
I mean, it's basically 120 proof ethyl alcohol. Of course they aren't allowed to have it. I'm very sympathetic to better prison conditions, but soap should be fine.