Nail Polish: Nail polishes can last a long time (5+ years).Pencil eyeliners can last up to three years. Eyeliner: Liquid eyeliners last 6 months to a year.Foundation: Liquid foundation and foundation with SPF in it usually only lasts a year.Also, remember never to share your mascara! When applying mascara don't pump the brush, if you do the air along with bacteria will be pushed down into the tube which will not only pollute the mascara, but also dry it out. I recommend not using them straight out of the jars (so that bacteria doesn't get trapped in the main jars). Pigments: These can last for 5+ years depending on how you use them.Lipsticks and Lipglosses: 1 year with regular usage.If your MAC items do not have an expiration date on them or you simply can't find the expiration date don't worry! I have included a list of (it's impossible to give precise numbers) general shelf life estimates for each general MAC item:
