No idea if these have already been done....
Winter and/or Spring nail polish colours for hands/feet?
Good makeup brushes, and which sizes do you really need?
Body lotions/moisturisers - from practical to posh, scented (which are nice, which are horrid), exfoliating, etc.
Good cleansers
An affordable eye cream
Blush - cream, powder, stains, etc and tips for getting a natural look
Lip balm - which are good for chapped lips, which ones have nice tints