I keep all my skincare stuff in a little basket on my bathroom counter. My makeup is stored in a traincase in my bedroom.
My traincase is actually too small now; I've acquired way too many beauty products. I want to get one of those small plastic three-drawer set (you can get it at Target or Walmart) that you can sit on a tabletop or counter. That'll totally fit all my stuff, plus it's clear so I can see what's inside.