Recently, I had a client bring her makeup bag into the salon for a makeup application lesson. She liked the makeup colors she had, but didn't really know how to apply them correctly. As I sorted through her makeup, I noticed her mascara looked a bit old. I asked her how old it was. She guessed it was about a year old. We tossed it. She purchased a new one. Take a look in your makeup bag. Do you know how old your mascara is? Toss it if it's more than 3 months old. Mascara has a short shelf life compared to other makeup items. You must replace it about every 3 months. Bacteria can accumulate easily in the mascara tube and cause eye irritation, even infection, when the contaminated mascara is applied to your lashes. Don't try to revive dried out mascara by adding water either. That can also increase the chances of germ contamination. It's worth spending your money on fresh, safe mascara. You don't have to spend a lot for a decent mascara. There are good inex...