When in Doubt Throw It Out

The shelf life of cosmetics.

CONCEALER:  Up to 12 months

FOUNDATION:  Water based up to 12 months - Oil based up to 18 months

FACE POWDER:  Up to 2 years

EYE SHADOW:  Up to 2 years

EYE LINERS:  Up to 2 years

LIP COLOR:  Up to 2 years

MASCARA:  3 months

NAIL POLISH:  12 months - depends on the quality

Don't forget to wash your makeup bag too or it can become a bacteria breeding ground.

Rouge Bunny Rouge Beyond The Looking Glass Look for Winter 2011 via  polyvore.com