Manyo Bifida Biome Complex Serum instead of Ampoule? Bought this at Costco but now can’t even find proof it exists on the internet.

I’m looking to strengthen my barrier and heard this was a great product. Was shopping at Costco today and was actually kind of shocked to see this and bought it. Went home and looked online to see how people are using it in their routines and all I see if the Manyo Bifida Biome Complex Ampoule. I look on the Manyo website, Amazon, and a bunch of other sites and all I see if the Ampoule, not the Serum. I can’t find the serum anywhere, not even on the Costco website.

Is anyone using the one specifically called Serum? I can’t even find proof that this exists outside the fact that I’m holding it right now. And before anyone says it’s just a name change or an American thing, I checked the ingredients on the Ampoule and they are not identical, it’s a different product.