You don't eat preparation h, I hope.
People can argue about whether shearing a sheep or obtaining shellac is harmful - but I think everyone can agree that there's no way to extract the liver of a shark without killing it.
It's still human dominion over animals. And veganism is still veganism. e.g., don't tell me that "some vegans decide it's OK to wear leather" because they're not "a collective entity" or something like that. Veganism is very much a black & white ethos. There is no acceptable gray area for veganism.