What happens if you use expired mascara

As you’ve likely already discovered, makeup often turns funky before you can use it all up.

Whether it’s mascara going dry or eye shadow losing its pigment, there’s a certain amount of time you can expect to get good use out of your cosmetics before they expire.

We asked New York makeup artist Stacey Menzer of Stayglam Beauty to share the lowdown on when you should chuck your products and what you can do to keep yours in the best shape for the longest amount of time.

Mascara
The product that goes bad in the shortest amount of time is mascara since bacteria breeds quickly and each use pumps drying air into the tube.

Toss after two to three months—or even sooner if you notice it’s getting clumpy or smells weird, says Menzer.

Liquid Foundation
“I know how much people want to make these bottles last.

How long is eyeliner good for

However, they're cream-based and get contaminated with bacteria from your fingers, brushes, and sponges,” says Menzer. Average shelf life can vary from eight to 12 months. Let go when the formula begins to separate.

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