Yes, all of your makeup has an expiry date.

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As a makeup junkie it’s safe to say that I have products in my bathroom older than my kids.

It’s a bit scary to know then that makeup, like food, has an expiry date. And keeping it longer than its intended shelf life opens the door to bacteria and infection — neither of which you want anywhere near your face.

RELATED: How to purge your beauty cupboard properly

Here’s exactly how long to keep your products, and how you’ll know when they’ve gone off. (Now excuse me, I’m off to clean out my bathroom cupboards.)

READ MORE: 9 things you had NO idea your vagina was capable of doing.

Whats the oldest product residing in your makeup bag?