Only found Seni so far, but their offer is pretty limited.
Nunex in Portugal
Not sure if it’ll make any difference, but might be worth searching for “nappy” (the equivalent word in English) rather than “diaper” (American word) to avoid US products.
Most of Europe doesn’t speak English as a first language, I’m gonna continue searching for plíny. I doubt most people want to order from two countries over, at least I’d rather buy from official local distribution.
Hipp is Swiss https://en.m.wikipedia.org/wiki/Hipp_Holding Also how about the diapers from the store’s own brand. Babylove for dm, babydream for Rossmann, Lupilu for Lidl, …