I have large dressers that have sixteen drawers each, which house the majority of what I have. Inside each drawer, I use shallow and deep clear drawer organizers from The Container Store. I also have large bookshelves that hold equally large clear plastic containers for to-be-reviewed products. I organize by brand when there’s enough product that it makes sense to do so, but when there’s not, I will group the odd ones out (e.g. I have one container that holds various high-end lipglosses).