EU and US supply chains are vastly different, plus shifting the production lines from one to another doesn't happen overnight. This means that it could well take two years to fully move all their production facilities off synthetic food dyes.
Not defending microbeads—those products were truly shit, both for your skin and for the environment—I just want to illustrate that it might not be so straightforward.
Similar to why the USAID closure was gradual and gave aid recipients plenty of time to find new donors, because we wouldn't want hundreds of thousands of women and children to die of starvation and disease just to save a few bucks or wring out more viral memes [1].
[1] https://www.nytimes.com/2025/06/22/us/politics/usaid-cuts-do... / https://archive.is/5BIAF