Even restricting to build-in residential-use units, there are over two dozen brands being sold; residential countertop units add another two-dozen-plus brands to the count.
Changes in liver and kidney histopathological structure and increases in white blood cell count indicated that inflammation is specific to certain colorants.
Some would even count the enactment or spiritual belief in therianthropy (werewolves, werecats, etc.) as falling under human animal roleplay or transformation play as well.