Or a custom palette (the first to appear) populated with all unique colors you have unlocked, but this sounds a lot more complicated to implement than just a toggle for more columns. And maybe a way to organize them as you wish.
I ended up doing some adjustments with new cosmetics on most of them. Some are actually not bat I think, Octavia Sailor Moon is my fave, followed by Gyre Simone
-they're not exaclty "tentatives" because I basically never change them, it's just that I don't use these fashions often lol, I usually just make them, take some screenshots and that's it