Many women have makeup in their cosmetics bags so long that they can't remember when and where they purchased them. The problem with that? Your cosmetic bag could contain bacteria-contaminated products that could wreck havoc on your face. Yes, you just absolutely love that lip gloss your girlfriend gave you 2 years ago and you're trying desperately for it to last forever, but it can't and won't. Refresh your makeup based on the guidelines provided below.