As I said before... until they decide to stop producing them. They haven't told us when they'll stop making regular set packs, either, likely because they have no plan to stop any time soon.
Its Artisan form Pokédex entry from Pokémon Scarlet reads, "It sprinkles some of its powdery body onto food and drains the life-force from those who so much as lick it."
I'm going to take that as a yes.