Check the use by date on cosmetics and replenish accordingly to avoid transfer of bacteria. Discard out of date items immediately. Some experts recommend storing cosmetics away from the humidity of the bathroom which can cause bacteria to grow and shorten the life of cosmetics. A vanity area in a bedroom is ideal. If you must keep makeup in the bathroom, make sure you keep everything covered and the lids on tightly.
Cosmetics you use regularly should be kept where they are easily accessible and visible to save time when getting ready. Consider a countertop or vanity drawer organizers for everyday items. There are lots of pretty options to choose from. Other items not used as often can be kept in a cabinet or drawer.
If you have a large collection, group cosmetics by function. Use bins or stacking drawers to separate eye shadows, pencils, powder, etc. It's an effective, pretty way to see what you have.
Once you've cleaned out expired items and sorted what remains, it's time to organize items based on your space. Decide if you want to keep most of your collection out on the counter or put away in a drawer. Then select organizers that fit your style and your collection. Remember, organizers that stack (either in a drawer or on a counter) let you store a lot in a small amount of space.