8 simple beauty rules to live by in 2012
Replace old makeup
Believe it or not, makeup has an expiration date -- even if it doesn't come printed on the packaging. The ticking time clock for most of your makeup products start as soon as they've been opened. MarieClaire.com says cream shadows should stick for a little over a year while mascara and eyeliners have a lifespan of less than three months. Not only can the color and texture of an expired product change, bacteria can grow and become easily transferable with the swipe of a brush.
Pictured: Makeup being applied backstage at the Carlos Miele Spring 2012 presentation during New York Fashion Week.