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People are only just realising how long they should keep their underwear
The TikTok user discussed underwear "expiration dates" by posing a video which highlighted when it's time to replace them. Some people were surprised by the news

People are only just realising how long they should keep their underwear

We all have our favourite pair of underwear.

Even if there's a hole in them, some don't have it in them to let go.

But did you know underwear have expiration dates? Yes, you heard that right…

READ MORE: Model smells husband's dirty underwear to check he hasn't been cheating

According to a TikTok user, it's important to throw out and replace undies when it gets to a certain time.

The video revealed how lingerie should be replaced every "six to 12 months" – and some people couldn't believe it.

Responding to the clip, one wrote: "I have mine until they don't fit or rip."

Another commented: "My oldest pair is 16 years."

Man holding his underwear
People say 'six to 12 months' is usually when you buy new undies (Image: Getty Images/Image Source)